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| White Electronic Designs 512Kx8 SRAM MODULE, SMD 5962-92078 FEATURES Access Times 20, 25, 35, 45ns Standard Microcircuit Drawing, 5962-92078 MIL-STD-883 Compliant Devices Available Rad Tolerant Devices Available JEDEC Standard 32 pin, Hermetic Ceramic DIP (Package 300) Commercial, Industrial and Military Temperature Range (-55C to +125C) Organized as 512K x 8 5V Power Supply Low Power CMOS WS512K8-XCX TTL Compatible Inputs and Outputs Battery Back-Up Operation FIGURE 1 - PIN CONFIGURATION PIN DESCRIPTION A0-18 I/O 0-7 CS# OE# WE# VCC GND Address Inputs Data Input/Output Chip Select Output Enable Write Enable +5.0V Power Ground TOP VIEW A18 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC A15 A17 WE# A13 A8 A9 A11 OE# A10 CS# I/O7 I/O6 I/O5 I/O4 I/O3 BLOCK DIAGRAM A0-16 I/O0-7 WE# OE# 128K x 8 128K x 8 128K x 8 128K x 8 A17 A18 CS# Decoder May 2004 Rev. 4 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 Min -55 -65 -0.5 -0.5 Max +125 +150 VCC+0.5 150 7.0 Unit C C V C V CS# H L L L OE# X L X H WE# X H L H Mode Standby Read Write Out Disable WS512K8-XCX TRUTH TABLE Data I/O High Z Data Out Data In High Z Power Standby Active Active Active CAPACITANCE RECOMMENDED OPERATING CONDITIONS Parameter Supply Voltage Input High Voltage Input Low Voltage Operating Temp. (Mil.) Symbol VCC VIH VIL TA Min 4.5 2.2 -0.5 -55 Max 5.5 VCC + 0.3 +0.8 +125 Unit V V V C Parameter Input capacitance Output capicitance Symbol CIN COUT (TA = +25C) Condition VIN = 0V, f = 1.0MHZ VOUT = 0V, f = 1.0MHZ Max 45 45 Unit pF pF This parameter is guaranteed by design but not tested. DC CHARACTERISTICS (VCC = 5.0V, GND = 0V, -55C TA 125C) Parameter Input Leakage Current Output Leakage Current Operating Supply Current Standby Current Output Low Voltage Output High Voltage Symbol Conditions ILI ILO ICC ISB VOL VOH VCC = 5.5, VIN = GND to VCC CS# = VIH, OE# = VIH, VOUT = GND to VCC CS# = VIL, OE# = VIH, f = 5MHZ, VCC = 5.5 CS# = VIH, OE# = VIH, f = 5MHZ IOL = 8mA, VCC = 4.5 IOH = -4.0mA, VCC = 4.5 -20 Min Max 10 10 210 80 0.4 Min -25 Max 10 10 210 60 0.4 Min -35 Max 10 10 210 60 0.4 Min -45 Max 10 10 210 55 0.4 Units A A mA mA V V 2.4 2.4 2.4 2.4 NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V DATA RETENTION CHARACTERISTICS FOR LOW POWER "L" VERSION (-55C TA 125C) Parameter Data Retention Supply Voltage Data Retention Current Symbol Conditions VDR ICCDR1 CS# * VCC -0.2V VCC = 3V -20 -25 -35 -45 Units V mA Min Typ Max Min Typ Max Min Typ Max Min Typ Max 2.0 5.5 2.0 5.5 2.0 5.5 2.0 5.5 8.0 12.8 8.0 12.8 8.0 12.8 8.0 12.8 FIGURE 2 - AC TEST CIRCUIT IOL Current Source AC TEST CONDITIONS Parameter Input Pulse Levels Input Rise and Fall Input and Output Reference Level Output Timing Reference Level Typ VIL = 0, VIH = 3.0 5 1.5 1.5 Unit V ns V V D.U.T. CEFF = 50 pf VZ 1.5V (Bipolar Supply) 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. May 2004 Rev. 4 2 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs AC CHARACTERISTICS (VCC = 5.0V, 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. WS512K8-XCX -20 Symbol tRC tAA tOH tACS tOE tCLZ1 tOLZ1 tCHZ1 tOHZ1 Min 20 20 3 20 10 3 0 15 12 3 0 3 Max Min 25 -25 Max 25 3 25 10 3 0 17 15 Min 35 -35 Max 35 3 35 25 3 0 20 20 Min 45 -45 Max 45 45 35 Units ns ns ns ns ns ns ns ns ns 30 25 AC CHARACTERISTICS (VCC = 5.0V, 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. -20 Symbol tWC tCW tAW tDW tWP tAS tAH tOW1 tWHZ1 tDH Min 20 16 16 15 16 2 2 4 10 1 Max Min 25 20 20 15 20 2 2 5 0 1 -25 Max Min 35 25 25 20 25 2 2 5 0 1 -35 Max Min 45 30 30 25 30 2 2 5 0 1 -45 Max Units ns ns ns ns ns ns ns ns ns ns 15 20 25 May 2004 Rev. 4 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs FIGURE 3 - TIMING WAVEFORM - READ CYCLE WS512K8-XCX tRC ADDRESS tAA CS# tRC ADDRESS tAA tOH DATA I/O PREVIOUS DATA VALID DATA VALID tACS tCLZ OE# tOE tOLZ DATA I/O HIGH IMPEDANCE READ CYCLE 2 (WE# = VIH) tCHZ tOHZ DATA VALID READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH) FIGURE 4 - WRITE CYCLE - WE# CONTROLLED tWC ADDRESS tAW tCW CS# tAS WE# tWHZ DATA I/O tDW tWP tOW tDH tAH DATA VALID WRITE CYCLE 1, WE# CONTROLLED FIGURE 5 - WRITE CYCLE - CS# CONTROLLED tWC ADDRESS tAW tAS CS# tCW tAH tWP WE# tDW DATA I/O DATA VALID WRITE CYCLE 2, CS# CONTROLLED tDH May 2004 Rev. 4 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs WS512K8-XCX PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED 42.4 (1.670) 0.4 (0.016) 15.04 (0.592) 0.25 (0.012) 4.34 (0.171) 0.79 (0.031) PIN 1 IDENTIFIER 3.2 (0.125) MIN 0.84 (0.033) 0.4 (0.014) 2.5 (0.100) TYP 1.27 (0.050) 0.1 (0.005) 0.46 (0.018) 0.05 (0.002) 0.25 (0.010) 0.05 (0.002) 15.25 (0.600) 0.25 (0.010) ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES May 2004 Rev. 4 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ORDERING INFORMATION W S 512K 8 X - XXX C X X LEAD FINISH: Blank = Gold plated leads A = Solder dip leads DEVICE GRADE: Q = MIL-STD-883 Compliant M = Military Screened I = Industrial C = Commercial PACKAGE: C = Ceramic 0.600" DIP (Package 300) ACCESS TIME (ns) OPTIONS Blank = Standard Power L = Low Power ORGANIZATION, 512K x 8 SRAM WHITE EDC -55C to +125C -40C to +85C 0C to +70C WS512K8-XCX DEVICE TYPE 512K x 8 SRAM 512K x 8 SRAM 512K x 8 SRAM 512K x 8 SRAM SPEED 45ns 35ns 25ns 20ns PACKAGE 32 pin DIP 32 pin DIP 32 pin DIP 32 pin DIP SMD NO. 5962-92078 06HTX 5962-92078 07HTX 5962-92078 08HTX 5962-92078 09HTX May 2004 Rev. 4 6 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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