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| White Electronic Designs 512Kx8 MONOLITHIC SRAM FEATURES Access Times 70, 85, 100, 120ns MIL-STD-883 Compliant Devices Available Low Voltage Operation Evolutionary, Corner Power/Ground Pinout JEDEC Approved * 32 pin Ceramic DIP (Package 300) * 32 lead Ceramic SOJ (Package 101) Commercial, Industrial and Military Temperature Ranges Low Power CMOS Low Voltage Operation * 3.3V 10% Power Supply Low Power Data Retention TTL Compatible Inputs and Outputs A18 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND WMS512K8V-XCX ADVANCED* EVOLUTIONARY PINOUT 32 DIP 32 CSOJ (DE) TOP VIEW 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 * This product is under development, is not qualified or characterized and is subject to change or cancellation without notice. PIN DESCRIPTION A0-18 I/O0-7 CS# OE# WE# VCC GND Address Inputs Data Input/Output Chip Select Output Enable Write Enable +3.3V Power Supply Ground White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2000 Rev. 2 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 WMS512K8V-XCX ADVANCED* 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 Operating Temp. (Mil.) Symbol VCC VIH VIL TA Min 3.0 2.2 -0.3 -55 Max 3.6 VCC + 0.3 +0.8 +125 Unit V V V C Parameter Input capacitance Output capacitance CAPACITANCE TA = +25C Symbol Condition VIN = 0V, f = 1.0MHz CIN COUT VOUT = 0V, f = 1.0MHz Max 12 12 Unit pF pF This parameter is guaranteed by design but not tested. DC CHARACTERISTICS VCC = 3.3V, GND = 0V, -55C TA +125C Parameter Input Leakage Current Output Leakage Current Operating Supply Current Standby Current Output Low Voltage Output High Voltage Symbol ILI ILO ICC ISB VOL VOH Conditions VCC = 3.6, VIN = GND to VCC CS# = VIH, OE# = VIH, VOUT = GND to VCC CS# = VIL, OE# = VIH, f = 5MHz, VCC = 3.6 CS# = VIH, OE# = VIH, f = 5MHz, VCC = 3.6 IOL = 2.1mA, VCC = 3.0 IOH = -1.0mA, VCC = 3.0 Min Max 10 10 25 400 0.4 Units A A mA A V V 2.4 NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2000 Rev. 2 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. WMS512K8V-XCX ADVANCED* Symbol tRC tAA tOH tACS tOE tCLZ1 tOLZ1 tCHZ1 tOHZ1 -70 Min 70 5 70 35 10 5 25 25 10 5 Max 70 5 Min 85 -85 Max 85 5 85 40 10 5 25 25 Min 100 -100 Max 100 5 100 50 10 5 35 35 Min 120 -120 Max 120 120 60 Units ns ns ns ns ns ns ns ns ns 35 35 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 from Write Time 1. This parameter is guaranteed by design but not tested. Symbol tWC tCW tAW tDW tWP tAS tAH tOW1 tWHZ1 tDH -70 Min 70 60 60 30 50 0 5 5 0 Max Min 85 75 75 35 50 0 5 5 0 -85 Max Min 100 80 80 40 60 0 5 5 0 -100 Max Min 120 100 100 40 60 0 5 5 0 -120 Max Units ns ns ns ns ns ns ns ns ns ns 25 25 35 35 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. White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2000 Rev. 2 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs TIMING WAVEFORM - READ CYCLE WMS512K8V-XCX ADVANCED* tRC ADDRESS tRC ADDRESS tAA CS# tAA tOH OE# DATA I/O PREVIOUS DATA VALID DATA VALID tACS tCLZ tCHZ tOE tOLZ DATA I/O HIGH IMPEDANCE READ CYCLE 2 (WE# = VIH) tOHZ DATA VALID READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH) WRITE CYCLE - WE# CONTROLLED tWC ADDRESS tAW tCW CS# tAH tAS WE# tWP tOW tWHZ tDW tDH DATA I/O DATA VALID WRITE CYCLE 1, WE# CONTROLLED WRITE CYCLE - CS# CONTROLLED tWC ADDRESS tAW tAS CS# tCW tAH tWP WE# tDW tDH DATA I/O DATA VALID WRITE CYCLE 2, CS# CONTROLLED White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2000 Rev. 2 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs PACKAGE 101: 32 LEAD, CERAMIC SOJ WMS512K8V-XCX ADVANCED* 21.1 (0.830) 0.25 (0.010) 0.2 (0.008) 0.05 (0.002) 3.96 (0.156) MAX 0.89 (0.035) Radius TYP 11.3 (0.446) 0.2 (0.009) 9.55 (0.376) 0.25 (0.010) 1.27 (0.050) 0.25 (0.010) PIN 1 IDENTIFIER 1.27 (0.050) TYP 19.1 (0.750) TYP ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED 42.8 (1.686) MAX 5.13 (0.202) MAX PIN 1 IDENTIFIER 3.2 (0.125) MIN 0.99 (0.039) 0.51 (0.020) 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 White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2000 Rev. 2 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ORDERING INFORMATION WMS512K8V-XCX ADVANCED* W M S 512K 8 V L - XXX X X X X LEAD FINISH: Blank = Gold plated leads A = Solder dip leads SPECIAL PROCESSING: E = Epitaxial Layer DEVICE GRADE: M = Military Screened I = Industrial C = Commercial PACKAGE: C DE = 32 Pin Ceramic 0.600" DIP (Package 300) = 32 Lead Ceramic SOJ (Package 101) Evolutionary -55C to +125C -40C to +85C 0C to +70C ACCESS TIME (ns) IMPROVEMENT MARK L = Low Power Data Retention Low Voltage Supply 3.3V 10% ORGANIZATION, 512K x 8 SRAM MONOLITHIC WHITE ELECTRONIC DESIGNS CORP. White Electronic Designs Corp. reserves the right to change products or specifications without notice. February, 2000 Rev. 2 6 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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