sn74ahc595[1]
595芯片的工作原理(二)

595芯片的工作原理(二)595芯片的工作原理什么是595芯片?595芯片,全名为74HC595移位寄存器芯片,是一种集成电路,常被用于扩展数字输出的IO口。
它具有串行输入、并行输出的特点,可用于驱动LED灯、数码管等外部设备。
串行输入与并行输出595芯片的串行输入和并行输出是其最重要的特征。
它可以通过SPI(串行外设接口)协议进行控制。
SPI协议是一种同步的全双工通信协议,利用时钟线(SCK)和数据线(MOSI)进行数据传输。
工作流程使用595芯片时,需要将数据写入串行输入寄存器(SI)中,然后通过时钟线(SCK)的上升沿脉冲,将数据移入移位寄存器(SR)。
当所有数据位都移入移位寄存器后,通过使锁存器时钟线(RCK)的上升沿脉冲,将移位寄存器的数据移入并行输出寄存器(PO)中。
最后,通过将移位寄存器清零,可以开始下一轮数据的传输。
引脚功能595芯片一般有16个引脚,其中重要的引脚包括:•Vcc:芯片供电正极;•GND:芯片地线;•OE:输出使能,控制数据在输出端口显示或关闭;•SRCLR:移位寄存器清零使能,用于将寄存器中的数据清零;•RCK:锁存器时钟,决定数据是否被移入并行输出寄存器。
应用实例595芯片的应用十分广泛,特别是在数字输出驱动方面。
以下是一些常见实例:1.控制LED灯:通过595芯片可以控制多个LED灯的亮灭、亮度等;2.驱动数码管:通过595芯片可以实现对多位数码管的显示控制;3.扩展输出端口:通过级联多个595芯片,可以扩展大量的数字输出端口。
总结595芯片是一种常用的数字输出扩展芯片,具有串行输入、并行输出的特点。
通过SPI协议进行数据的传输和控制,可以实现对LED 灯、数码管等设备的驱动。
其工作原理简单清晰,应用广泛。
74ahc1g08gw工作原理

74ahc1g08gw工作原理
74AHC1G08GW是一种逻辑门集成电路,其工作原理基于CMOS技术。
CMOS(互补金属-氧化物半导体)是一种低功耗、高集成度的半导体工艺,常用于数字和模拟集成电路中。
工作原理:
1. 输入端:74AHC1G08GW有两个输入端,分别为A和B。
每个输入端都可以接收逻辑高电平(1)或逻辑低电平(0)。
2. 逻辑门:它由两个三态门组成,分别为与门和反门。
- 与门:当A和B两个输入端同时为逻辑高电平(1)时,与门的输出端会产生逻辑高电平(1),否则输出端为逻辑低电平(0)。
- 反门:其输出为与门输出的反向信号,当与门输出为逻辑高电平(1)时,反门输出为逻辑低电平(0),反之亦然。
3. 输出端:输出端连接到反门的输出端,可以接收到逻辑门的输出信号。
工作过程:
当输入端A和B的信号改变时,74AHC1G08GW会根据与门和反门的逻辑关系,生成相应的输出信号。
如果A和B的输入信号都为逻辑高电平(1),与门会生成逻辑高电平(1)的输出信号,反门则会生成逻辑低电平(0)的输出信号;反之亦然。
这样,通过逻辑门的运算,我们可以实现基本的逻辑运算和布尔代数。
总结:
74AHC1G08GW是一种基于CMOS技术的逻辑门集成电路,通过与门和反门的逻辑运算,实现对输入信号的逻辑操作。
它在数字电路和集成电路设计中有广泛的应用,用于实现逻辑功能并控制电路的运行。
SN74AHC1G00DBVR中文资料

PACKAGING INFORMATIONOrderable Device Status(1)PackageType PackageDrawingPins PackageQtyEco Plan(2)Lead/Ball Finish MSL Peak Temp(3)SN74AHC1G00DBVR ACTIVE SOT-23DBV53000Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DBVRE4ACTIVE SOT-23DBV53000Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DBVRG4ACTIVE SOT-23DBV53000Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DBVT ACTIVE SOT-23DBV5250Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DBVTE4ACTIVE SOT-23DBV5250Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DBVTG4ACTIVE SOT-23DBV5250Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DCKR ACTIVE SC70DCK53000Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DCKRE4ACTIVE SC70DCK53000Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DCKRG4ACTIVE SC70DCK53000Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DCKT ACTIVE SC70DCK5250Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DCKTE4ACTIVE SC70DCK5250Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DCKTG4ACTIVE SC70DCK5250Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DRLR ACTIVE SOT DRL54000Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G00DRLRG4ACTIVE SOT DRL54000Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIM(1)The marketing status values are defined as follows:ACTIVE:Product device recommended for new designs.LIFEBUY:TI has announced that the device will be discontinued,and a lifetime-buy period is in effect.NRND:Not recommended for new designs.Device is in production to support existing customers,but TI does not recommend using this part in a new design.PREVIEW:Device has been announced but is not in production.Samples may or may not be available.OBSOLETE:TI has discontinued the production of the device.(2)Eco Plan-The planned eco-friendly classification:Pb-Free(RoHS),Pb-Free(RoHS Exempt),or Green(RoHS&no Sb/Br)-please check /productcontent for the latest availability information and additional product content details.TBD:The Pb-Free/Green conversion plan has not been defined.Pb-Free(RoHS):TI's terms"Lead-Free"or"Pb-Free"mean semiconductor products that are compatible with the current RoHS requirements for all6substances,including the requirement that lead not exceed0.1%by weight in homogeneous materials.Where designed to be soldered at high temperatures,TI Pb-Free products are suitable for use in specified lead-free processes.Pb-Free(RoHS Exempt):This component has a RoHS exemption for either1)lead-based flip-chip solder bumps used between the die and package,or2)lead-based die adhesive used between the die and leadframe.The component is otherwise considered Pb-Free(RoHS compatible)as defined above.Green(RoHS&no Sb/Br):TI defines"Green"to mean Pb-Free(RoHS compatible),and free of Bromine(Br)and Antimony(Sb)based flame retardants(Br or Sb do not exceed0.1%by weight in homogeneous material)(3)MSL,Peak Temp.--The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications,and peak solder temperature.Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is 22-Oct-2007provided.TI bases its knowledge and belief on information provided by third parties,and makes no representation or warranty as to the accuracy of such information.Efforts are underway to better integrate information from third parties.TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.TI and TI suppliers consider certain information to be proprietary,and thus CAS numbers and other limited information may not be available for release.In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s)at issue in this document sold by TI to Customer on an annualbasis.22-Oct-2007TAPE AND REEL BOXINFORMATIONDevicePackage Pins SiteReel Diameter (mm)Reel Width (mm)A0(mm)B0(mm)K0(mm)P1(mm)W (mm)Pin1Quadrant SN74AHC1G00DBVR DBV 5SITE 341809 3.23 3.17 1.3748Q3SN74AHC1G00DBVR DBV 5SITE 4500 3.23 3.17 1.3748Q3SN74AHC1G00DBVT DBV 5SITE 341809 3.23 3.17 1.3748Q3SN74AHC1G00DBVT DBV 5SITE 453301610.615.8 4.91624Q3SN74AHC1G00DCKR DCK 5SITE 341809 2.24 2.34 1.2248Q3SN74AHC1G00DCKR DCK 5SITE 4500 2.4 2.5 1.248Q3SN74AHC1G00DCKT DCK 5SITE 341809 2.24 2.34 1.2248Q3SN74AHC1G00DCKT DCK 5SITE 4500 2.4 2.5 1.248Q3SN74AHC1G00DRLRDRL5SITE 3518091.781.780.6948Q312-Feb-2008DevicePackage Pins Site Length (mm)Width (mm)Height (mm)SN74AHC1G00DBVR DBV 5SITE 34205.0200.033.0SN74AHC1G00DBVR DBV 5SITE 450.0185.0220.0SN74AHC1G00DBVT DBV 5SITE 34201.0192.026.0SN74AHC1G00DBVT DBV 5SITE 450.00.00.0SN74AHC1G00DCKR DCK 5SITE 34205.0200.033.0SN74AHC1G00DCKR DCK 5SITE 450.0185.0220.0SN74AHC1G00DCKT DCK 5SITE 34201.0192.026.0SN74AHC1G00DCKT DCK 5SITE 450.0185.0220.0SN74AHC1G00DRLRDRL5SITE 35202.0201.028.012-Feb-2008IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries(TI)reserve the right to make corrections,modifications,enhancements,improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty.Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty.Except where mandated by government requirements,testing of all parameters of each product is not necessarily performed.TI assumes no liability for applications assistance or customer product design.Customers are responsible for their products and applications using TI components.To minimize the risks associated with customer products and applications,customers should provide adequate design and operating safeguards.TI does not warrant or represent that any license,either express or implied,is granted under any TI patent right,copyright,mask work right, or other TI intellectual property right relating to any combination,machine,or process in which TI products or services are rmation published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement e of such information may require a license from a third party under the patents or other intellectual property of the third party,or a license from TI under the patents or other intellectual property of TI.Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties,conditions,limitations,and notices.Reproduction of this information with alteration is an unfair and deceptive business practice.TI is not responsible or liable for such altered rmation of third parties may be subject to additional restrictions.Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice.TI is not responsible or liable for any such statements.TI products are not authorized for use in safety-critical applications(such as life support)where a failure of the TI product would reasonably be expected to cause severe personal injury or death,unless officers of the parties have executed an agreement specifically governing such use.Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications,and acknowledge and agree that they are solely responsible for all legal,regulatory and safety-related requirements concerning their products and any use of TI products in such safety-critical applications,notwithstanding any applications-related information or support that may be provided by TI.Further,Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in such safety-critical applications.TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are specifically designated by TI as military-grade or"enhanced plastic."Only products designated by TI as military-grade meet military specifications.Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is solely at the Buyer's risk,and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use. TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are designated by TI as compliant with ISO/TS16949requirements.Buyers acknowledge and agree that,if they use any non-designated products in automotive applications,TI will not be responsible for any failure to meet such requirements.Following are URLs where you can obtain information on other Texas Instruments products and application solutions:Products ApplicationsAmplifiers Audio /audioData Converters Automotive /automotiveDSP Broadband /broadbandClocks and Timers /clocks Digital Control /digitalcontrolInterface Medical /medicalLogic Military /militaryPower Mgmt Optical Networking /opticalnetwork Microcontrollers Security /securityRFID Telephony /telephonyRF/IF and ZigBee®Solutions /lprf Video&Imaging /videoWireless /wirelessMailing Address:Texas Instruments,Post Office Box655303,Dallas,Texas75265Copyright©2008,Texas Instruments Incorporated。
74ls595原理

74ls595原理2( 移位锁存器74ls595原理74ls595为 8位输出锁存移位寄存器RESET: 复位信号shitf clock:移位时钟serial data input:串行数据输入output enable:输出使能latch clock:锁存时钟595有3层结构:第一层为移位D触发器;第二层为锁存D触发器;第三层为输出3态门;当复位信号为0时,移位D触发器清0;当移位脉冲从L->H时,第一个移位D触发器的Q=D;其它的Qn=Qn-1;当锁存脉冲从0->1时,第二层为锁存D触发器的输出=/输入; 当OE=1时,595的输出为高阻态;当OE=0时,595的输出为第二层为锁存D触发器的输出的反相; 74595的数据端:QA--QH: 八位并行输出端,可以接点阵的8列。
QH': 级联输出端。
将它接下一个595的SI端。
SI: 串行数据输入端。
74595的控制端说明:/SCLR(10脚): 低电平时将移位寄存器的数据清零。
通常将它接Vcc。
SCK(11脚):上升沿时数据寄存器的数据移位。
QA-->QB-->QC-->...-->QH;下降沿移位寄存器数据不变。
(脉冲宽度:5V时,大于几十纳秒就行了。
通常都选微秒级) RCK(12脚):上升沿时移位寄存器的数据进入数据存储寄存器,下降沿时存储寄存器数据不变。
通常将RCK置为低电平,当移位结束后,在RCK端产生一个正脉冲(5V时,大于几十纳秒就行了。
通常都选微秒级),更新显示数据。
/G(13脚): 高电平时禁止输出(高阻态)。
如果单片机的引脚不紧张,用一个引脚控制它,可以方便地产生闪烁和熄灭效果。
比通过数据端移位控制要省时省力。
注:74164和74595功能相仿,都是8位串行输入转并行输出移位寄存器。
74164的驱动电流(25mA)比74595(35mA)的要小,14脚封装,体积也小一些。
74595的主要优点是具有数据存储寄存器,在移位的过程中,输出端的数据可以保持不变。
SN74AHC1G04 非门

IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed.TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and applications using TI components. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards.TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information published by TI regarding third–party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.Mailing Address:Texas InstrumentsPost Office Box 655303Dallas, Texas 75265Copyright 2003, Texas Instruments Incorporated。
SN74AHC1G02中文资料

元器件交易网IMPORTANT NOTICETexas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinueany product or service without notice, and advise customers to obtain the latest version of relevant informationto verify, before placing orders, that information being relied on is current and complete. All products are soldsubject to the terms and conditions of sale supplied at the time of order acknowledgement, including thosepertaining to warranty, patent infringement, and limitation of liability.TI warrants performance of its semiconductor products to the specifications applicable at the time of sale inaccordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extentTI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarilyperformed, except those mandated by government requirements.CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OFDEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICALAPPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, ORWARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHERCRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TOBE FULLY AT THE CUSTOMER’S RISK.In order to minimize risks associated with the customer’s applications, adequate design and operatingsafeguards must be provided by the customer to minimize inherent or procedural hazards.TI assumes no liability for applications assistance or customer product design. TI does not warrant or representthat any license, either express or implied, is granted under any patent right, copyright, mask work right, or otherintellectual property right of TI covering or relating to any combination, machine, or process in which suchsemiconductor products or services might be or are used. TI’s publication of information regarding any thirdparty’s products or services does not constitute TI’s approval, warranty or endorsement thereof.Copyright © 2000, Texas Instruments Incorporated。
SN54AHC16245或SN74AHC16245(中文说明书)

2. The package thermal impedance is calculated in accordance with JESD 51.
存取温度范围,Tstg . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . .–65°C to 150°C
†强调上市以后在“绝对最大额定值”可能造成永久性损坏器件。这些压力等级和功能操作在这些或任何其他条件的器件之外,表明在“推荐工作条件”不是暗示。在绝对最大额定值条件下长时间可能影响器件的可靠性。
封装热阻抗,JA (看注2):DGG封装. . . . . . . . . . . . . . . . . .89°C/W
DGV封装. . . . . . . . . .. . . . . . . . . . . . .93°C/W
DL封装. . . . . . . . . . . . . . . .. . . . . . . .94°C/W
#逻辑符号依照ANSI/IEEE Std 91-1984和IEC期刊617-12
逻辑框图(正逻辑)
到七个其他通道到七个其他通道
绝对最大额定值在工作温度范围(除非另有说明)†
电源电压范围,Vcc. . . . . .. . . . . . . . . . . . .–0.5 V to 7 V
输入电压范围(看注1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
74AHC595中文资料

QUICK REFERENCE DATA GND = 0 V; Tamb = 25 °C; tr = tf ≤ 3.0 ns.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL UNIT
AHC AHCT
tPHL/tPLH
CI fmax CPD
propagation delay SHCP to Q7’ STCP to Qn MR to Q7’
The shift register has a serial input (DS) and a serial standard output (Q7’) for cascading. It is also provided with asynchronous reset (active LOW) for all 8 shift register stages. The storage register has 8 parallel 3-state bus driver outputs. Data in the storage register appears at the output whenever the output enable input (OE) is LOW.
2000 Mar 15
2
元器件交易网
Philips Semiconductors
8-bit serial-in/serial or parallel-out shift register with output latches; 3-state
Product specification
• Balanced propagation delays • All inputs have Schmitt-trigger actions • Inputs accept voltages higher than VCC • For AHC only: operates with CMOS input levels • For AHCT only: operates with TTL input levels • Specified from −40 to +85 °C and from−40 to +125 °C.
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
PACKAGING INFORMATIONOrderable Device Status (1)Package Type Package DrawingPins Package Qty Eco Plan (2)Lead/Ball Finish MSL Peak Temp (3)SN74AHC595D ACTIVE SOIC D 1640Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595DBR ACTIVE SSOP DB 162000Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595DBRE4ACTIVE SSOP DB 162000Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595DBRG4ACTIVE SSOP DB 162000Green (RoHS &no Sb/Br)CU NIPDAULevel-1-260C-UNLIM SN74AHC595DE4ACTIVE SOIC D 1640Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595DG4ACTIVE SOIC D 1640Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595DR ACTIVE SOIC D 162500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595DRE4ACTIVE SOIC D 162500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595DRG4ACTIVE SOIC D 162500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595N ACTIVE PDIP N 1625Pb-Free (RoHS)CU NIPDAU N /A for Pkg Type SN74AHC595NE4ACTIVE PDIP N 1625Pb-Free (RoHS)CU NIPDAU N /A for Pkg Type SN74AHC595NSR ACTIVE SO NS 162000Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595NSRE4ACTIVE SO NS 162000Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595NSRG4ACTIVE SO NS 162000Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595PW ACTIVE TSSOP PW 1690Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595PWE4ACTIVE TSSOP PW 1690Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595PWG4ACTIVE TSSOP PW 1690Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595PWR ACTIVE TSSOP PW 162000Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595PWRE4ACTIVE TSSOP PW 162000Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM SN74AHC595PWRG4ACTIVETSSOPPW162000Green (RoHS &no Sb/Br)CU NIPDAULevel-1-260C-UNLIM(1)The marketing status values are defined as follows:ACTIVE:Product device recommended for new designs.LIFEBUY:TI has announced that the device will be discontinued,and a lifetime-buy period is in effect.NRND:Not recommended for new designs.Device is in production to support existing customers,but TI does not recommend using this part in a new design.PREVIEW:Device has been announced but is not in production.Samples may or may not be available.OBSOLETE:TI has discontinued the production of the device.(2)Eco Plan -The planned eco-friendly classification:Pb-Free (RoHS),Pb-Free (RoHS Exempt),or Green (RoHS &no Sb/Br)-please check /productcontent for the latest availability information and additional product content details.PACKAGE OPTION ADDENDUM18-Sep-2008Addendum-Page 1TBD:The Pb-Free/Green conversion plan has not been defined.Pb-Free (RoHS):TI's terms "Lead-Free"or "Pb-Free"mean semiconductor products that are compatible with the current RoHS requirements for all 6substances,including the requirement that lead not exceed 0.1%by weight in homogeneous materials.Where designed to be soldered at high temperatures,TI Pb-Free products are suitable for use in specified lead-free processes.Pb-Free (RoHS Exempt):This component has a RoHS exemption for either 1)lead-based flip-chip solder bumps used between the die and package,or 2)lead-based die adhesive used between the die and leadframe.The component is otherwise considered Pb-Free (RoHS compatible)as defined above.Green (RoHS &no Sb/Br):TI defines "Green"to mean Pb-Free (RoHS compatible),and free of Bromine (Br)and Antimony (Sb)based flame retardants (Br or Sb do not exceed 0.1%by weight in homogeneous material)(3)MSL,Peak Temp.--The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications,and peak solder temperature.Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided.TI bases its knowledge and belief on information provided by third parties,and makes no representation or warranty as to the accuracy of such information.Efforts are underway to better integrate information from third parties.TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.TI and TI suppliers consider certain information to be proprietary,and thus CAS numbers and other limited information may not be available for release.In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s)at issue in this document sold by TI to Customer on an annual basis.OTHER QUALIFIED VERSIONS OF SN74AHC595:•Automotive:SN74AHC595-Q1NOTE:Qualified Version Definitions:•Automotive -Q100devices qualified for high-reliability automotive applications targeting zerodefectsPACKAGE OPTION ADDENDUM 18-Sep-2008TAPE AND REEL INFORMATION*All dimensions are nominal Device Package Type Package DrawingPinsSPQ Reel Diameter (mm)Reel Width W1(mm)A0(mm)B0(mm)K0(mm)P1(mm)W (mm)Pin1Quadrant SN74AHC595DBR SSOPDB 162000330.016.48.2 6.6 2.512.016.0Q1SN74AHC595DR SOICD 162500330.016.4 6.510.3 2.18.016.0Q1SN74AHC595DR SOICD 162500330.016.4 6.510.3 2.18.016.0Q1SN74AHC595NSR SONS 162000330.016.48.210.5 2.512.016.0Q1SN74AHC595PWR TSSOP PW 162000330.012.47.0 5.6 1.68.012.0Q1*All dimensions are nominalDevice Package Type Package Drawing Pins SPQ Length(mm)Width(mm)Height(mm) SN74AHC595DBR SSOP DB162000346.0346.033.0 SN74AHC595DR SOIC D162500333.2345.928.6 SN74AHC595DR SOIC D162500346.0346.033.0 SN74AHC595NSR SO NS162000346.0346.033.0 SN74AHC595PWR TSSOP PW162000346.0346.029.0IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries(TI)reserve the right to make corrections,modifications,enhancements,improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty.Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty.Except where mandated by government requirements,testing of all parameters of each product is not necessarily performed.TI assumes no liability for applications assistance or customer product design.Customers are responsible for their products and applications using TI components.To minimize the risks associated with customer products and applications,customers should provide adequate design and operating safeguards.TI does not warrant or represent that any license,either express or implied,is granted under any TI patent right,copyright,mask work right, or other TI intellectual property right relating to any combination,machine,or process in which TI products or services are rmation published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement e of such information may require a license from a third party under the patents or other intellectual property of the third party,or a license from TI under the patents or other intellectual property of TI.Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties,conditions,limitations,and notices.Reproduction of this information with alteration is an unfair and deceptive business practice.TI is not responsible or liable for such altered rmation of third parties may be subject to additional restrictions.Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice.TI is not responsible or liable for any such statements.TI products are not authorized for use in safety-critical applications(such as life support)where a failure of the TI product would reasonably be expected to cause severe personal injury or death,unless officers of the parties have executed an agreement specifically governing such use.Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications,and acknowledge and agree that they are solely responsible for all legal,regulatory and safety-related requirements concerning their products and any use of TI products in such safety-critical applications,notwithstanding any applications-related information or support that may be provided by TI.Further,Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in such safety-critical applications.TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are specifically designated by TI as military-grade or"enhanced plastic."Only products designated by TI as military-grade meet military specifications.Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is solely at the Buyer's risk,and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use. TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are designated by TI as compliant with ISO/TS16949requirements.Buyers acknowledge and agree that,if they use any non-designated products in automotive applications,TI will not be responsible for any failure to meet such requirements.Following are URLs where you can obtain information on other Texas Instruments products and application solutions:Products ApplicationsAmplifiers AudioData Converters AutomotiveDLP®Products BroadbandDSP Digital ControlClocks and Timers MedicalInterface MilitaryLogic Optical NetworkingPower Mgmt SecurityMicrocontrollers TelephonyRFID Video&ImagingRF/IF and ZigBee®Solutions WirelessMailing Address:Texas Instruments,Post Office Box655303,Dallas,Texas75265Copyright©2009,Texas Instruments Incorporated。