CY7C1051DV33芯片手册

PRELIMINARY 8-Mbit (512K x 16) Static RAMCY7C1051DV33Features•High speed —t AA = 10 ns •Low active power—I CC = 110 mA @ 10 ns •Low CMOS standby power —I SB2 = 20 mA •2.0V data retention•Automatic power-down when deselected •TTL-compatible inputs and outputs•Easy memory expansion with CE and OE features•Available in lead-free 48-ball FBGA and 44-pin TSOP II packagesFunctional Description [1]The CY7C1051DV33 is a high-performance CMOS Static RAM organized as 512K words by 16 bits.Write to the device by taking Chip Enable (CE) and Write Enable (WE) inputs LOW. If Byte LOW Enable (BLE) is LOW,then data from IO pins (IO 0–IO 7), is written into the location specified on the address pins (A 0–A 18). If Byte HIGH Enable (BHE) is LOW, then data from IO pins (IO 8–IO 15) is written into the location specified on the address pins (A 0–A 18).Read from the device by taking Chip Enable (CE) and Output Enable (OE) LOW while forcing the Write Enable (WE) HIGH.If Byte LOW Enable (BLE) is LOW, then data from the memory location specified by the address pins will appear on IO 0–IO 7.If Byte HIGH Enable (BHE) is LOW, then data from memory will appear on IO 8 to IO 15. See the “Truth Table” on page 8 for a complete description of Read and Write modes.The input/output pins (IO 0–IO 15) are placed in a high-impedance state when the device is deselected (CE HIGH), the outputs are disabled (OE HIGH), the BHE and BLE are disabled (BHE, BLE HIGH), or a Write operation (CE LOW,and WE LOW) is in progress.The CY7C1051DV33 is available in a 44-pin TSOP II package with center power and ground (revolutionary) pinout, as well as a 48-ball fine-pitch ball grid array (FBGA) package.Note1.For guidelines on SRAM system design, please refer to the “System Design Guidelines” Cypress application note, available on the internet at .1415Logic Block DiagramA 1A 2A 3A 4A 5A 6A 7A 8COLUMN DECODERR O W D E C O D E RS E N S E A M P SINPUT BUFFER512K × 16ARRAYA 0A 11A 13A 12A A A 16A 17A 18A 9A 10IO 0–IO 7OE IO 8–IO 15CE WE BLEBHEPRELIMINARY CY7C1051DV33Selection Guide–10Unit Maximum Access Time 10ns Maximum Operating Current 110mA Maximum CMOS Standby Current20mAPin Configurations [2]48-ball Mini FBGAWE V CC A 11A 10NC A 6A 0A 3CE IO 10IO 8IO 9A 4A 5IO 11IO 13IO 12IO 14IO 15V SS A 9A 8OE V SS A 7IO 0BHE NC A 17A 2A 1BLE V CC IO 2IO 1IO 3IO 4IO 5IO 6IO 7A 15A 14A 13A 12NC A 18NC326541D E B A C F G HA 16(Top View)TSOP IIWE 1234567891011143132363534333740393812134144434216152930V CC A 5A 6A 7A 8A 0A 1OE V SS A 17IO 15A 2CE IO 2IO 0IO 1BHE A 3A 418172019IO 32728252622212324V SS IO 6IO 4IO 5IO 7A 16A 15BLE V CC IO 14IO 13IO 12IO 11IO 10IO 9IO 8A 14A 13A 12A 11A 9A 10A 18(Top View)Note2.NC pins are not connected on the diePRELIMINARY CY7C1051DV33Maximum Ratings(Exceeding the maximum ratings may impair the useful life of the device. These are for user guidelines, they are not tested.)Storage Temperature .................................–65°C to +150°C Ambient Temperature withPower Applied.............................................–55°C to +125°C Supply Voltage on V CC to Relative GND [3]....–0.5V to +4.6V DC Voltage Applied to Outputsin High-Z State [3]....................................–0.3V to V CC + 0.3V DC Input Voltage [3].................................–0.3V to V CC + 0.3VCurrent into Outputs (LOW).........................................20 mA Static Discharge Voltage............................................>2001V (per MIL-STD-883, Method 3015)Latch-up Current......................................................>200 mAOperating RangeRange Ambient Temperature V CC Industrial–40°C to +85°C3.3V ± 0.3VDC Electrical Characteristics Over the Operating RangeParameter DescriptionTest Conditions–10Unit Min MaxV OH Output HIGH Voltage V CC = Min, I OH = –4.0 mA 2.4V V OL Output LOW Voltage V CC = Min, I OL = 8.0 mA0.4V V IH Input HIGH Voltage 2.0V CC + 0.3V V IL [3]Input LOW Voltage –0.30.8V I IX Input Leakage Current GND < V I < V CC–1+1μA I OZ Output Leakage Current GND < V OUT < V CC , Output Disabled –1+1μA I CCV CC Operating Supply CurrentV CC = Max, f = f MAX = 1/t RC100 MHz 110mA83 MHz 100 66 MHz 9040 MHz80I SB1Automatic CE Power Down Current —TTL Inputs Max V CC , CE > V IH V IN > V IH or V IN < V IL , f = f MAX 40mA I SB2Automatic CE Power Down Current —CMOS Inputs Max V CC , CE > V CC – 0.3V,V IN > V CC – 0.3V or V IN < 0.3V, f = 020mACapacitance [4]Parameter DescriptionTest ConditionsMax.Unit C IN Input Capacitance T A = 25°C, f = 1 MHz, V CC = 3.3V12pF C OUTIO Capacitance12pFNotes3.V IL (min) = –2.0V and V IH (max) = V CC + 2.0V for pulse durations of less than 20 ns.4.Tested initially and after any design or process changes that may affect these parametersThermal Resistance [4]ParameterDescription Test ConditionsFBGA PackageTSOP II PackageUnit ΘJA Thermal Resistance (Junction to Ambient)Still Air, soldered on a 3 × 4.5 inch, four-layer printed circuit board28.3151.43°C/W ΘJCThermal Resistance (Junction to Case)11.415.8°C/WPRELIMINARYCY7C1051DV33AC Test Loads and Waveforms [5]AC Switching Characteristics [6] Over the Operating RangeParameterDescription–10UnitMinMaxRead Cycle t power [7]V CC (typical) to the first access 100μs t RC Read Cycle Time 10ns t AA Address to Data Valid10ns t OHA Data Hold from Address Change 3ns t ACE CE LOW to Data Valid 10ns t DOE OE LOW to Data Valid 5ns t LZOE OE LOW to Low-Z 0ns t HZOE OE HIGH to High-Z [8, 9]5ns t LZCE CE LOW to Low-Z [9]3ns t HZCE CE HIGH to High-Z [8, 9]5ns t PU CE LOW to Power Up 0ns t PD CE HIGH to Power Down 10ns t DBE Byte Enable to Data Valid 5ns t LZBE Byte Enable to Low-Z 0ns t HZBEByte Disable to High-Z6nsNotes5.AC characteristics (except High-Z) are tested using the load conditions shown in Figure (a). High-Z characteristics are tested for all speeds using the test loadshown in Figure (c).6.Test conditions assume signal transition time of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V.7.t POWER gives the minimum amount of time that the power supply should be at typical V CC values until the first memory access can be performed.8.t HZOE , t HZCE , t HZBE and t HZWE are specified with a load capacitance of 5 pF as in part (d) of AC Test Loads.Transition is measured when the outputs enter ahigh impedance state.9.At any given temperature and voltage condition, t HZCE is less than t LZCE , t HZOE is less than t LZOE , t HZBE is less than t LZBE , and t HZWE is less than t LZWE for anygiven device.90%10%3.0VGND90%10%ALL INPUT PULSES * CAPACITIVE LOAD CONSISTS OF ALL COMPONENTS OF THE TEST ENVIRONMENTRise Time: 1 V/nsFall Time: 1 V/ns30 pF*OUTPUTZ = 50Ω50Ω1.5V (a)3.3V OUTPUT5 pF(c)R 317ΩR2351ΩHigh-Z Characteristics(b)PRELIMINARY CY7C1051DV33Data Retention WaveformWrite Cycle [10, 11]t WC Write Cycle Time 10ns t SCE CE LOW to Write End 7ns t AW Address Setup to Write End 7ns t HA Address Hold from Write End 0ns t SA Address Setup to Write Start 0ns t PWE WE Pulse Width 7ns t SD Data Setup to Write End 5ns t HD Data Hold from Write End 0ns t LZWE WE HIGH to Low-Z [9]3ns t HZWE WE LOW to High-Z [8, 9]5ns t BWByte Enable to End of Write7nsData Retention Characteristics Over the Operating RangeParameter DescriptionConditions [12]Min MaxUnit V DR V CC for Data Retention 2.0V I CCDR Data Retention CurrentV CC = V DR = 2.0V , CE > V CC – 0.3V , V IN > V CC – 0.3V or V IN < 0.3V20mA t CDR [4]Chip Deselect to Data Retention Time 0ns t R [13]Operation Recovery Timet RCnsAC Switching Characteristics [6] Over the Operating Range (continued)ParameterDescription–10UnitMinMax3.0V 3.0V t CDRV DR > 2VDATA RETENTION MODEt RCEV CC Notes10.The internal Write time of the memory is defined by the overlap of CE LOW, and WE LOW. CE and WE must be LOW to initiate a Write, and the transition ofeither of these signals can terminate the Write. The input data setup and hold timing should be referenced to the leading edge of the signal that terminates the Write.11.The minimum Write cycle time for Write Cycle No. 3 (WE controlled, OE LOW) is the sum of t HZWE and t SD .12.No inputs may exceed V CC + 0.3V13.Full device operation requires linear V CC ramp from V DR to V CC (min) > 50 μs or stable at V CC (min) > 50 μs.PRELIMINARY CY7C1051DV33Switching WaveformsRead Cycle No. 1[14, 15]Read Cycle No. 2 (OE Controlled)[15, 16]Notes14.Device is continuously selected. OE, CE, BHE or BHE or both= V IL .15.WE is HIGH for Read cycle.16.Address valid prior to or coincident with CE transition LOW.PREVIOUS DATA VALIDDATA VALIDt RCt AAt OHAADDRESSDATA OUT50%50%DATA VALIDt RCt ACEt DOE t LZOE t LZCE t PUHIGH IMPEDANCEt HZOEt HZBEt PDHIGHOE CEICC ISB IMPEDANCEADDRESSDATA OUT V CC SUPPLY t DBE t LZBEt HZCE BHE,BLECURRENTI CCI SBPRELIMINARY CY7C1051DV33Write Cycle No. 1 (CE Controlled)[17, 18]Write Cycle No. 2 (BLE or BHE Controlled)Notes17.Data I/O is high-impedance if OE or BHE or BLE or both = V IH .18.If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.Switching Waveforms (continued)t HDt SDt SCEt SA t HAt AWt PWEt WCBWDATAI/OADDRESSCEWEBHE,BLEt t HDt SDt BWt SA t HAt AWt PWEt WCt SCEDATAI/OADDRESSBHE,BLEWECEPRELIMINARY CY7C1051DV33Write Cycle No. 3 (WE Controlled, OE LOW)Switching Waveforms (continued)t HDt SDt SCEt HAt AWt PWEt WCt BWDATA I/OADDRESSCEWEBHE,BLEt SAt LZWEt HZWETruth TableCE OE WE BLE BHE I/O 0–I/O 7I/O 8–I/O 15ModePower H X X X X High-Z High-Z Power-down Standby (I SB )L L H L L Data Out Data Out Read All Bits Active (I CC )L L H L H Data Out High-Z Read Lower Bits Only Active (I CC )L L H H L High-Z Data Out Read Upper Bits Only Active (I CC )L X L L L Data In Data In Write All Bits Active (I CC )L X L L H Data In High-Z Write Lower Bits Only Active (I CC )L X L H L High-Z Data In Write Upper Bits Only Active (I CC )LHHXXHigh-ZHigh-ZSelected, Outputs DisabledActive (I CC )Ordering InformationSpeed (ns)Ordering Code Package Diagram Package TypeOperating Range 10CY7C1051DV33-10BAXI 51-8510648-ball FBGA (Pb-Free)IndustrialCY7C1051DV33-10ZSXI51-8508744-pin TSOP II (Pb-Free)Please contact your local Cypress sales representative for availability of these parts.PRELIMINARY CY7C1051DV33 Package DiagramsPRELIMINARY CY7C1051DV33Document #: 001-00063 Rev. *C Page 10 of 11© Cypress Semiconductor Corporation, 2006-2007. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the All products and company names mentioned in this document may be the trademarks of their respective holders.Figure 2. 44-pin TSOP II (51-85087)Package Diagrams (continued)51-85087-*APRELIMINARY CY7C1051DV33Document #: 001-00063 Rev. *C Page 11 of 11Document History Page Document Title: CY7C1051DV33 8-Mbit (512K x 16) Static RAM Document Number: 001-00063REV.ECN NO.Issue Date Orig. of Change Description of Change **342195See ECN PCI New Data Sheet *A 380574See ECN SYT Redefined I CC values for Com’l and Ind’l temperature rangesI CC (Com’l): Changed from 110, 90 and 80 mA to 110, 100 and 95 mA for 8, 10and 12 ns speed bins respectivelyI CC (Ind’l): Changed from 110, 90 and 80 mA to 120, 110 and 105 mA for 8, 10and 12 ns speed bins respectivelyChanged the Capacitance values from 8 pF to 10 pF on Page # 3*B 485796See ECN NXR Changed address of Cypress Semiconductor Corporation on Page# 1 from“3901 North First Street” to “198 Champion Court”Removed -8 and -12 Speed bins from product offering,Removed Commercial Operating Range option,Modified Maximum Ratings for DC input voltage from -0.5V to -0.3V andV CC + 0.5V to V CC + 0.3VChanged the Description of I IX from Input Load Current toInput Leakage Current.Changed t HZBE from 5 ns to 6 nsUpdated footnote #7 on High-Z parameter measurementAdded footnote #11Updated the Ordering Information table and Replaced Package Name columnwith Package Diagram.*C 866000See ECN NXRChanged ball E3 from V SS to NC in FBGA pin configuration [+] FeedbThis datasheet has been downloaded from:Free DownloadDaily Updated Database100% Free Datasheet Search Site100% Free IC Replacement Search SiteConvenient Electronic DictionaryFast Search SystemAll Datasheets Cannot Be Modified Without PermissionCopyright © Each Manufacturing Company。