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| White Electronic Designs 1Mx32 SRAM 3.3V MODULE FEATURES Access Times of 17, 20, 25ns 84 lead, 28mm CQFP, (Package 511) Organized as two banks of 512Kx32, User Configurable as 2Mx16 or 4Mx8 Commercial, Industrial and Military Temperature Ranges TTL Compatible Inputs and Outputs 3.3V Power Supply Low Power CMOS WS1M32V-XG3X PRELIMINARY* Built-in Decoupling Caps and Multiple Ground Pins for Low Noise Operation Weight - WS1M32V-XG3X - 20 grams typical *This product is under development, is not qualified or characterized and is subject to change without notice. PIN CONFIGURATION FOR WS1M32V-XG3X TOP VIEW GND I/O31 I/O30 I/O29 I/O28 I/O27 I/O26 I/O25 I/O24 NC NC NC I/O23 I/O22 I/O21 I/O20 I/O19 I/O18 I/O17 I/O16 VCC PIN DESCRIPTION I/O0-31 A0-18 WE#1-4 CS#1-2 OE#1-4 VCC GND NC Data Inputs/Outputs Address Inputs Write Enables Chip Selects Output Enables +3.3V Power Supply Ground Not Connected 11 10 9 8 7 6 5 4 3 2 1 84 83 82 81 80 79 78 77 76 75 VCC A0 A1 A2 A3 A4 A5 A6 OE#1 OE#2 OE#3 OE#4 NC A7 A8 A9 A10 A11 A12 A13 GND 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 GND NC NC NC NC NC NC NC NC WE#4 WE#3 WE#2 WE#1 NC NC A18 A17 A16 A15 A14 VCC BLOCK DIAGRAM OE#1 WE#1 OE#2 WE#2 OE#3 WE#3 OE#4 WE#4 CS#1 A0-18 2M 8 512K xx 8 512K x 8 2M 8 512K xx 8 512K x 8 2M 8 512K xx 8 2M 512K x 8 512K x 8 512K x 8 VCC I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 CS#1 NC CS#2 I/O8 I/O9 I/O10 I/O11 I/O12 I/O13 I/O14 I/O15 GND 8 CS#2 I/O0-7 8 8 8 I/O8-15 I/O16-23 I/O24-31 Note: CS#1& CS#2 are used as bank select The WEDC 84 lead G3 CQFP fills the same fit and function as the JEDEC 84 lead CQFJ or 84 PLCC. But the G3 has the TCE and lead inspection advantage of the CQFP form. 1.146" White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2001 Rev. 5 1 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Storage Temperature Signal Voltage Relative to GND Junction Temperature Supply Voltage Symbol TA TSTG VG TJ VCC -0.5 Min -55 -65 -0.5 Max 125 +150 4.6 150 4.6 Unit C C V C V CS# H L L L OE# X L X H WE# X H L H WS1M32V-XG3X PRELIMINARY TRUTH TABLE Mode Standby Read Write Out Disable Data I/O High Z Data Out Data In High Z Power Standby Active Active Active RECOMMENDED OPERATING CONDITIONS Parameter Supply Voltage Input High Voltage Input Low Voltage Symbol VCC VIH VIL Min 3.0 2.2 -0.3 Max 3.6 VCC + 0.3 +0.8 Unit V V V Parameter OE#1-4 capacitance WE#1-4 capacitance CS#1-2 capacitance Data I/O capacitance Address input capacitance CAPACITANCE TA = +25C Symbol Conditions COE CWE CCS CI/O CAD VIN = 0V, f = 1.0MHz VIN = 0V, f = 1.0MHz VIN = 0V, f = 1.0MHz VI/O = 0V, f = 1.0MHz VIN = 0V, f = 1.0MHz Max 20 20 50 20 70 Unit pF pF pF pF pF This parameter is guaranteed by design, but not tested. DC CHARACTERISTICS VCC = 3.3V 0.3V, -55C TA +125C Parameter Input Leakage Current Output Leakage Current Operating Supply Current (x 32 Mode) Standby Current Output Low Voltage Output High Voltage NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V Contact Factory for low power option. Symbol ILI ILO ICC x 32 ISB VOL VOH Conditions VIN = GND to VCC CS# = VIH, OE# = VIH, VOUT = GND to VCC CS# = VIL, OE# = VIH, f = 5MHz, VCC = 3.6V CS# = VIH, OE# = VIH, f = 5MHz, VCC = 3.6V IOL = 4.0mA IOH = -4.0mA 2.4 Min Max 10 10 520 400 0.4 Units A A mA mA V V White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2001 Rev. 5 2 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -55C TA +125C Parameter Read Cycle Read Cycle Time Address Access Time Output Hold from Address Change Chip Select Access Time Output Enable to Output Valid Chip Select to Output in Low Z Output Enable to Output in Low Z Chip Disable to Output in High Z Output Disable to Output in High Z 1. This parameter is guaranteed by design but not tested. Symbol tRC tAA tOH tACS tOE tCLZ1 tOLZ1 tCHZ1 tOHZ1 1 0 12 12 0 17 10 1 0 -17 Min 17 17 0 Max Min 20 -20 WS1M32V-XG3X PRELIMINARY -25 Max 20 0 20 10 1 0 12 12 12 12 25 12 Min 25 25 Max Units ns ns ns ns ns ns ns ns ns AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -55C TA +125C Parameter Write Cycle Write Cycle Time Chip Select to End of Write Address Valid to End of Write Data Valid to End of Write Write Pulse Width Address Setup Time Address Hold Time Output Active from End of Write Write Enable to Output in High Z Data Hold Time 1. This parameter is guaranteed by design but not tested. Symbol tWC tCW tAW tDW tWP tAS tAH tOW1 tWHZ1 tDH 0 -17 Min 17 15 15 11 15 2 0 2 9 0 Max Min 20 15 15 12 15 2 0 3 11 0 -20 Max Min 25 17 17 13 17 2 0 4 13 -25 Max Units ns ns ns ns ns ns ns ns ns ns AC TEST CIRCUIT AC TEST CONDITIONS Parameter Input Pulse Levels Input Rise and Fall Input and Output Reference Level Output Timing Reference Level VZ 1.5V (Bipolar Supply) IOL Current Source Typ VIL = 0, VIH = 2.5 5 1.5 1.5 Unit V ns V V D.U.T. Ceff = 50 pf IOH Current Source Notes: VZ is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75. VZ is typically the midpoint of VOH and VOL. IOL & IOH are adjusted to simulate a typical resistive load circuit. ATE tester includes jig capacitance. White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2001 Rev. 5 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs TIMING WAVEFORM - READ CYCLE WS1M32V-XG3X PRELIMINARY tRC ADDRESS tAA tRC ADDRESS tAA CS# tACS tCLZ tCHZ tOH OE# DATA I/O PREVIOUS DATA VALID DATA VALID DATA I/O tOE tOLZ tOHZ DATA VALID READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH) HIGH IMPEDANCE READ CYCLE 2 (WE# = VIH) WRITE CYCLE - WE# CONTROLLED tWC ADDRESS tAW tCW CS# tAS WE# tWHZ DATA I/O tDW DATA VALID tWP tOW tDH tAH WRITE CYCLE 1, WE# CONTROLLED WRITE CYCLE - CS# CONTROLLED tWC ADDRESS tAW tAS CS# tWP WE# tDW DATA I/O DATA VALID WRITE CYCLE 2, CS# CONTROLLED tDH tCW tAH White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2001 Rev. 5 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs WS1M32V-XG3X PRELIMINARY PACKAGE 511: 84 LEAD, CERAMIC QUAD FLAT PACK (G3) 30.23 (1.190) 0.25 (0.010) SQ 27.18 (1.070) 0.25 (0.010) SQ 4.29 (0.169) 0.28 (0.011) 4.12 (0.162) 0.20 (0.008) 0.25 (0.010) 0.03 (0.002) R 0.127 (0.005) MIN 29.11 (1.146) 0.25 (0.010) 1/7 0.19 (0.008) 0.06 (0.003) 1.02 (0.040) 0.12 (0.005) DETAIL A 1.27 (0.050) TYP 0.38 (0.015) 0.05 (0.002) 25.40 (1.000) TYP SEE DETAIL "A" 0.27 (0.011) 0.04 (0.001) The WEDC 84 lead G3 CQFP fills the same fit and function as the JEDEC 84 lead CQFJ or 84 PLCC. But the G3 has the TCE and lead inspection advantage of the CQFP form. 1.146" ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2001 Rev. 5 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ORDERING INFORMATION W S 1M32 V - XX G3 X X LEAD FINISH: Blank = Gold plated leads A = Solder dip leads WS1M32V-XG3X PRELIMINARY DEVICE GRADE: M = Military C = Commercial I = Industrial -55C to +125C -40C to +85C 0 to +70C PACKAGE TYPE: G3 = 28 mm CQFP (Package 511) ACCESS TIME (ns) Low Voltage Supply 3.3V 10% ORGANIZATION, two banks of 512Kx32 User configurable as 2Mx16 or 4Mx8 SRAM WHITE ELECTRONIC DESIGNS CORP. White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2001 Rev. 5 6 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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