White Electronic Designs WS1M32V-XG3X PRELIMINARY* 1Mx32 SRAM 3.3V MODULE FEATURES Access Times of 17, 20, 25ns 3.3V Power Supply 84 lead, 28mm CQFP, (Package 511) Low Power CMOS Organized as two banks of 512Kx32, User Configurable as 2Mx16 or 4Mx8 Built-in Decoupling Caps and Multiple Ground Pins for Low Noise Operation Commercial, Industrial and Military Temperature Ranges Weight - WS1M32V-XG3X - 20 grams typical TTL Compatible Inputs and Outputs *This product is under development, is not qualified or characterized and is subject to change without notice. PIN CONFIGURATION FOR WS1M32V-XG3X TOP VIEW PIN DESCRIPTION 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 I/O0-31 A0-18 WE#1-4 CS#1-2 OE#1-4 VCC GND NC 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 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 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 Data Inputs/Outputs Address Inputs Write Enables Chip Selects Output Enables +3.3V Power Supply Ground Not Connected BLOCK DIAGRAM OE#1 WE#1 OE#2 WE#2 OE#3 WE#3 OE#4 WE#4 2Mxx88 512K 2Mxx88 512K 2Mxx88 512K 512K x 8 CS#1 A0-18 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 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 2M x 8 512K 512K x 8 512K x 8 512K x 8 8 8 8 8 I/O0-7 I/O8-15 I/O16-23 I/O24-31 CS#2 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 WS1M32V-XG3X PRELIMINARY ABSOLUTE MAXIMUM RATINGS Parameter TRUTH TABLE Symbol Min Max Unit CS# OE# WE# TA -55 125 °C H X X TSTG -65 +150 °C L L H Read Data Out Active VG -0.5 4.6 V L X L Write Data In Active 150 °C L H H Out Disable High Z Active 4.6 V Operating Temperature Storage Temperature Signal Voltage Relative to GND Junction Temperature TJ Supply Voltage -0.5 VCC RECOMMENDED OPERATING CONDITIONS Parameter Mode Data I/O Power Standby High Z Standby CAPACITANCE TA = +25°C Symbol Min Max Unit Supply Voltage VCC 3.0 3.6 V Parameter Symbol Conditions Input High Voltage VIH 2.2 VCC + 0.3 V OE#1-4 capacitance COE Input Low Voltage VIL -0.3 +0.8 V WE#1-4 capacitance CS#1-2 capacitance Data I/O capacitance Address input capacitance Max Unit VIN = 0V, f = 1.0MHz 20 pF CWE VIN = 0V, f = 1.0MHz 20 pF CCS VIN = 0V, f = 1.0MHz 50 pF CI/O VI/O = 0V, f = 1.0MHz 20 pF CAD VIN = 0V, f = 1.0MHz 70 pF This parameter is guaranteed by design, but not tested. DC CHARACTERISTICS VCC = 3.3V ± 0.3V, -55°C ≤ TA ≤ +125°C Parameter Symbol Conditions Max Units Input Leakage Current ILI VIN = GND to VCC 10 µA Output Leakage Current ILO CS# = VIH, OE# = VIH, VOUT = GND to VCC 10 µA ICC x 32 CS# = VIL, OE# = VIH, f = 5MHz, VCC = 3.6V 520 mA Standby Current ISB CS# = VIH, OE# = VIH, f = 5MHz, VCC = 3.6V 400 mA Output Low Voltage VOL IOL = 4.0mA 0.4 V Output High Voltage VOH IOH = -4.0mA Operating Supply Current (x 32 Mode) Min 2.4 V NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V Contact Factory for low power option. 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 WS1M32V-XG3X PRELIMINARY AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C Parameter -17 Symbol Read Cycle Min -20 Max Min 17 -25 Max 20 Min Max Units 25 ns Read Cycle Time tRC Address Access Time tAA Output Hold from Address Change tOH Chip Select Access Time tACS 17 20 25 Output Enable to Output Valid tOE 10 10 12 Chip Select to Output in Low Z tCLZ1 1 Output Enable to Output in Low Z tOLZ1 0 Chip Disable to Output in High Z tCHZ1 12 12 12 ns tOHZ1 12 12 12 ns Output Disable to Output in High Z 1. This parameter is guaranteed by design but not tested. 17 20 0 25 0 ns 0 1 ns ns ns 1 0 ns 0 ns AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C Parameter Symbol Write Cycle -17 Min -20 Max Min -25 Max Min Max Units Write Cycle Time tWC 17 20 25 ns Chip Select to End of Write tCW 15 15 17 ns Address Valid to End of Write tAW 15 15 17 ns Data Valid to End of Write tDW 11 12 13 ns Write Pulse Width tWP 15 15 17 ns Address Setup Time tAS 2 2 2 ns Address Hold Time tAH 0 0 0 ns Output Active from End of Write tOW1 2 3 4 Write Enable to Output in High Z tWHZ1 Data Hold Time 1. This parameter is guaranteed by design but not tested. tDH 9 11 0 0 AC TEST CIRCUIT 0 Parameter Input Pulse Levels Input Rise and Fall Input and Output Reference Level Output Timing Reference Level IOL ns Typ VIL = 0, VIH = 2.5 5 1.5 1.5 Unit V ns V V 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. VZ 1.5V (Bipolar Supply) Ceff = 50 pf ns AC TEST CONDITIONS Current Source D.U.T. ns 13 IOH Current Source 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 WS1M32V-XG3X PRELIMINARY TIMING WAVEFORM - READ CYCLE tRC ADDRESS tAA tRC CS# ADDRESS tACS tAA tCHZ tCLZ tOH OE# DATA I/O PREVIOUS DATA VALID tOE DATA VALID tOHZ tOLZ DATA I/O READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH) DATA VALID HIGH IMPEDANCE READ CYCLE 2 (WE# = VIH) WRITE CYCLE - WE# CONTROLLED tWC ADDRESS tAW tAH tCW CS# tAS tWP WE# tOW tDW tWHZ DATA I/O tDH DATA VALID WRITE CYCLE 1, WE# CONTROLLED WRITE CYCLE - CS# CONTROLLED tWC ADDRESS tAW tAS tAH tCW CS# tWP WE# tDW DATA I/O tDH DATA VALID WRITE CYCLE 2, CS# CONTROLLED 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) 4.29 (0.169) ± 0.28 (0.011) 4.12 (0.162) ± 0.20 (0.008) 30.23 (1.190) ± 0.25 (0.010) SQ 27.18 (1.070) ± 0.25 (0.010) SQ 0.25 (0.010) ± 0.03 (0.002) R 0.127 (0.005) MIN 29.11 (1.146) ± 0.25 (0.010) 0.19 (0.008) ± 0.06 (0.003) 1/7 1.02 (0.040) ± 0.12 (0.005) DETAIL A 1.27 (0.050) TYP 0.38 (0.015) ± 0.05 (0.002) SEE DETAIL “A” 0.27 (0.011) ± 0.04 (0.001) 25.40 (1.000) TYP 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 WS1M32V-XG3X PRELIMINARY ORDERING INFORMATION W S 1M32 V - XX G3 X X LEAD FINISH: Blank = Gold plated leads A = Solder dip leads DEVICE GRADE: M = Military C = Commercial I = Industrial -55°C to +125°C -40°C to +85°C 0° to +70°C 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