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| White Electronic Designs 512Kx8 MONOLITHIC SRAM FEATURES Access Times 15, 17, 20ns Revolutionary, Center Power/Ground Pinout JEDEC Approved * 36 lead Ceramic SOJ (Package 100) * 36 lead Ceramic Flat Pack (Package 226) Evolutionary, Corner Power/Ground Pinout JEDEC Approved * 32 pin Ceramic DIP (Package 300) * 32 lead Ceramic SOJ (Package 101) * 32 lead Ceramic Flat Pack (Package 220) WMS512K8BV-XXXE Low Voltage Operation: * 3.3V 10% Power Supply BiCMOS: * Radiation Tolerant with Epitaxial Layer Die Commercial and Industrial Temperature Ranges TTL Compatible Inputs and Outputs Fully Static Operation: * No clock or refresh required. Three State Output This product is subject to change without notice. REVOLUTIONARY PINOUT 36 FLAT PACK 36 CSOJ EVOLUTIONARY PINOUT 32 DIP 32 CSOJ (DE) 32 FLAT PACK (FE) TOP VIEW A0 A1 A2 A3 A4 CS# I/O0 I/O1 VCC GND I/O2 I/O3 WE# A5 A6 A7 A8 A9 TOP VIEW NC A18 A17 A16 A15 OE# I/O7 I/O6 GND VCC I/O5 I/O4 A14 A13 A12 A11 A10 NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 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 PIN DESCRIPTION A0-18 I/O0-7 CS# OE# WE# VCC GND Address Inputs Data Input/Output Chip Select Output Enable Write Enable Power Supply Ground White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 1 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Storage Temperature Signal Voltage Range to GND Junction Temperature Supply Voltage Symbol TA TSTG VG TJ VCC Min -40 -65 -0.5 -0.5 Max +85 +150 4.6 150 4.6 Unit C C V C V CS# H L L L OE# X L X H WMS512K8BV-XXXE TRUTH TABLE WE# X H L H MODE Standby Read Write Out Disable DATA I/O High Z Data Out Data In High Z POWER Standby Active Active Acvive RECOMMENDED OPERATING CONDITIONS Parameter Supply Voltage Input High Voltage Input Low Voltage Operating Temperature Symbol VCC VIH VIL TA Min 3.0 2.2 -0.3 -40 Max 3.6 VCC + 0.3 +0.8 +85 Unit V V V C Parameter Input capacitance Output capacitance CAPACITANCE TA = +25C Symbol CIN COUT Conditions VIN = 0 V, f = 1.0 MHz VOUT = 0 V, f = 1.0 MHz Max 12 12 Unit pF pF This parameter is guaranteed by design but not tested. DC CHARACTERISTICS - CMOS COMPATIBLE VCC = 3.3V, GND = 0V, -40C TA 85C 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 = 5.5, VIN = GND to VCC CS# = VIH, OE# = VIH, VOUT = GND to VCC CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5 CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5 IOL = 8mA IOH = -4.0mA Min Max 10 10 120 15 0.4 Unit A A mA mA 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. December 1999 Rev. 3 2 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -40C TA < 85C 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 Symbol tRC tAA tOH tACS tOE tCLZ1 tOLZ1 tCHZ1 tOHZ1 -15 Min 15 0 15 7 2 0 7 7 2 0 8 8 Max 15 0 17 8 Min 17 -17 WMS512K8BV-XXXE -20 Max 17 0 20 10 2 0 10 10 Min 20 Max 20 Unit ns ns ns ns ns ns ns ns ns 1. This parameter is guaranteed by design but not tested. AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -40C TA < 85C 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 Symbol tWC tCW tAW tDW tWP tAS tAH tOW1 tWHZ1 tDH -15 Min 15 10 10 8 12 0 0 2 0 Max Min 17 12 12 9 14 0 0 3 0 -17 Max Min 20 14 14 10 14 0 0 3 0 -20 Max Unit ns ns ns ns ns ns ns ns ns ns 8 8 9 1. This parameter is guaranteed by design but not tested. 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. December 1999 Rev. 3 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs TIMING WAVEFORM - READ CYCLE WMS512K8BV-XXXE tRC ADDRESS tAA tRC ADDRESS CS# tAA tOH DATA I/O PREVIOUS DATA VALID DATA VALID tACS tCLZ OE# tOE tCHZ tOHZ DATA VALID READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH) tOLZ DATA I/O HIGH IMPEDANCE READ CYCLE 2 (WE# = VIH) WRITE CYCLE - WE# CONTROLLED tWC ADDRESS tAW tCW CS# tAH tAS WE# tWP tOW tWHZ tDW DATA VALID tDH DATA I/O WRITE CYCLE 1, WE# CONTROLLED WRITE CYCLE - CS# CONTROLLED tWC ADDRESS tAW tAS CS# tCW tAH tWP WE# tDW tDH DATA I/O WRITE CYCLE 2, CS# CONTROLLED DATA VALID White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs WMS512K8BV-XXXE PACKAGE 100: 36 LEAD, CERAMIC SOJ 23.37 (0.920) 0.25 (0.010) 0.2 (0.008) 0.05 (0.002) 4.7 (0.184) MAX 0.89 (0.035) Radius TYP 11.23 (0.442) 0.30 (0.012) 9.55 (0.376) 0.25 (0.010) 1.27 (0.050) 0.25 (0.010) PIN 1 IDENTIFIER 1.27 (0.050) TYP 21.6 (0.850) TYP ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES PACKAGE 101: 32 LEAD, CERAMIC SOJ ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs WMS512K8BV-XXXE PACKAGE 220: 32 LEAD, CERAMIC FLAT PACK ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES PACKAGE 226: 36 LEAD, CERAMIC FLAT PACK 23.37 (0.920) 0.25 (0.010) 2.72 (0.107) MAX PIN 1 IDENTIFIER 12.95 (0.510) 0.13 (0.005) 12.7 (0.500) 0.5 (0.020) 5.1 (0.200) 0.25 (0.010) 0.43 (0.017) 0.05 (0.002) 3.8 (0.150) TYP 32.64 (1.285) TYP 38.1 (1.50) 0.4 (0.015) 1.27 (0.050) TYP 21.59 (0.850) TYP 0.127 (0.005) 0.05 (0.002) ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 6 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs WMS512K8BV-XXXE PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 7 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ORDERING INFORMATION WMS512K8BV-XXXE W M S 512K 8 B V - XXX X X E X LEAD FINISH: Blank = Gold plated leads A = Solder dip leads E = Epitaxial Layer DEVICE GRADE: I = Industrial C = Commercial -40C to +85C 0C to +70C PACKAGE: C = 32 Pin Ceramic .600" DIP (Package 300) DE = 32 Lead Ceramic SOJ (Package 101) Evolutionary DJ = 36 Lead Ceramic SOJ (Package 100) F = 36 Lead Ceramic Flat Pack (Package 226) FE = 32 Lead Ceramic Flat Pack (Package 220) ACCESS TIME (ns) Low Voltage Supply 3.3V 10% BiCMOS ORGANIZATION, 512K x 8 SRAM MONOLITHIC WHITE ELECTRONIC DESIGNS CORP. White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 8 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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