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| White Electronic Designs 512Kx16 SRAM MODULE FEATURES Access Times 17, 20, 25, 35ns MIL-STD-883 Compliant Devices Available Packaging * 44 pin Ceramic SOJ (Package 102) * 44 lead Ceramic Flatpack (Package 209) Organized as two banks of 256Kx16 Data Byte Control: Lower Byte (LB#) = I/O1-8 Upper Byte (UB#) = I/O9-16 WS512K16-XXX ADVANCED* Data I/O Compatible with 3.3V devices 2V Minimum Data Retention for battery back up operation Commercial, Industrial and Military Temperature Range 5 Volt Power Supply (3.3V parts also available) Low Power CMOS TTL Compatible Inputs and Outputs * This product is under development, is not qualified or characterized and is subject to change or cancellation without notice. PIN CONFIGURATION FOR WS512K16-XXX 44 CSOJ 44 FLATPACK Top View A0 A1 A2 A3 A4 CS1# I/O1 I/O2 I/O3 I/O4 VCC GND I/O5 I/O6 I/O7 I/O8 WE# A5 A6 A7 A8 A9 Pin Description A0-17 LB# UB# I/O1-16 CS1-2# OE# WE# VCC GND NC Address Inputs Lower-Byte Control (I/O1-8) Upper-Byte Control (I/O9-16) Data Input/Output Chip Select Output Enable Write Enable +5.0V Power Ground No Connection 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 A17 A16 A15 OE# UB# LB# I/O16 I/O15 I/O14 I/O13 GND VCC I/O12 I/O11 I/O10 I/O9 CS2# A14 A13 A12 A11 A10 Block Diagram A0 - 1 7 W E# O E# U B# L B# 256K x 16 256K x 16 C S1# C S2# I/O1-16 White Electronic Designs Corp. reserves the right to change products or specifications without notice. April 1998 1 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs TRUTH TABLE CS1# H L H L H H L H L CS2# H H L H L L H L H L H WE# X H X H OE# X H X L LB# X X H L H L L H L UB# X X Output Disable H H L L H L L Read Data Out High Z Data Out Data In High Z Data In High Z Mode Not Select Data I/O I/O1-8 WS512K16-XXX ADVANCED I/O9-16 Power Standby High Z Active Write High Z Data Out Data Out High Z Data In Data In Active Active 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 RECOMMENDED OPERATING CONDITIONS Parameter Supply Voltage Input High Voltage Input Low Voltage Opertating Temp. (MIL) Symbol VCC VIH VIL TA Min 4.5 2.2 -0.3 -55 Max 5.5 VCC + 0.3 +0.8 +125 Unit V V V C CAPACITANCE TA = +25C Parameter Input capacitance Output capacitance Symbol Conditions Max Unit CIN VIN = 0V, f = 1.0 MHz 25 pF COUT VOUT = 0V, f = 1.0 MHz 25 pF This parameter is guaranteed by design but not tested. DC CHARACTERISTICS VCC = 5.0V, VSS = 0V, -55C TA +125C Parameter Input Leakage Current Output Leakage Current Operating Supply Current Standby Current Output Low Voltage Output High Voltage NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V Sym ILI ILO ICC ISB VOL VOH Conditions 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, VCC = 5.5 IOL = 8mA, VCC = 4.5 IOH = -4.0mA, VCC = 4.5 Min Max 10 10 290 30 0.4 Units A A mA mA V V 2.4 DATA RETENTION CHARACTERISTICS -55C TA +125C Characteristic Data Retention Supply Voltage Data Retention Current Sym VDR ICCDR1 Conditions CS# VCC -0.2V VCC = 3V Min 2.0 Typ 2.0 Max 5.5 12.0* Units A mA * Also available in Low Power version. Please call factory for informaion. White Electronic Designs Corp. reserves the right to change products or specifications without notice. April 1998 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 LB#, UB# Access Time LB#, UB# Enable to Low Z Output LB#, UB# Disable to High Z Output Symbol tRC tAA tOH tACS tOE tCLZ1 tOLZ1 tCHZ1 tOHZ1 tBA tBLZ1 tBHZ1 Min 17 0 17 10 2 0 9 9 10 0 9 0 10 5 0 10 10 12 0 12 -17 Max 17 0 20 12 5 0 12 12 14 Min 20 -20 Max 20 0 25 15 Min 25 -25 WS512K16-XXX ADVANCED -35 Max 25 0 35 20 5 0 15 15 17 0 15 Min 35 Max 35 Units ns ns ns ns ns ns ns ns ns ns ns ns 1. This parameter is guaranteed by design but not tested. 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 LB#, UB# Valid to End of Write Symbol tWC tCW tAW tDW tWP tAS tAH tOW1 tWHZ1 tDH tBW Min 17 14 14 10 14 0 0 0 0 14 -17 Max Min 20 17 17 12 17 0 0 0 0 17 -20 Max Min 25 20 20 15 20 0 0 0 0 20 -25 Max Min 35 25 25 20 25 0 0 0 0 25 -35 Max ns ns ns ns ns ns ns ns ns ns ns Units 9 10 10 15 1. This parameter is guaranteed by design but not tested. AC TEST CIRCUIT AC Test Conditions I OL Current Source D.U.T. C eff = 50 pf VZ 1.5V 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 (Bipolar Supply) I OH 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. April 1998 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs TIMING WAVEFORM - READ CYCLE WS512K16-XXX ADVANCED tRC ADDRESS tAA CS# tACS LB#, UB# tCHZ tBA tBLZ tCLZ OE# tBHZ tOE tOLZ DATA I/O HIGH IMPEDANCE tOHZ DATA VALID READ CYCLE 1, (CS# = OE# = VIL, UB# or LB# = VIL, WE# = VIH) READ CYCLE 2 (WE# = VIH) WRITE CYCLE - WE# CONTROLLED tWC ADDRESS tAW tCW CS# tAH tBW LB#, UB# tAS WE# tWP tOW tWHZ tDW tDH DATA I/O DATA VALID WRITE CYCLE 1, WE# CONTROLLED WRITE CYCLE - CS# CONTROLLED tWC ADDRESS WRITE CYCLE - LB#, UB# CONTROLLED tWC ADDRESS tAS CS# tAW tCW tBW tAH CS# tAS tAW tCW tBW tAH LB#, UB# LB#, UB# tWP WE# WE# tWP tDW DATA I/O DATA VALID tDW DATA I/O DATA VALID tDH tDH WRITE CYCLE 2, CS# CONTROLLED WRITE CYCLE 3, LB#, UB# CONTROLLED White Electronic Designs Corp. reserves the right to change products or specifications without notice. April 1998 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs PACKAGE 102: 44 LEAD, CERAMIC SOJ WS512K16-XXX ADVANCED 28.70 (1.13) 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 26.7 (1.050) TYP ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES PACKAGE 209: 44 LEAD, CERAMIC FLAT PACK 28.45 (1.120) 0.26 (0.010) 3.18 (0.125) MAX PIN 1 IDENTIFIER 12.95 (0.510) 0.13 (0.005) 9.90 (0.390) 0.13 (0.005) 10.16 (0.400) 0.51 (0.020) 0.43 (0.017) 0.05 (0.002) 26.67 (1.050) TYP 0.13 (0.005) 0.05 (0.002) 1.27 (0.050) TYP ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. April 1998 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ORDERING INFORMATION WS512K16-XXX ADVANCED W S 512K16 - XX X X X LEAD FINISH: Blank = Gold plated leads A = Solder dip leads DEVICE GRADE: M = Military Screened I = Industrial C = Commercial -55C to +125C -40C to +85C 0C to +70C PACKAGE TYPE: DL = 44 Lead Ceramic SOJ (Package 102) FL = 44 Lead Ceramic Flatpack (Package 209) ACCESS TIME (ns) ORGANIZATION, two banks of 256Kx16 SRAM WHITE ELECTRONIC DESIGNS CORPORATION White Electronic Designs Corp. reserves the right to change products or specifications without notice. April 1998 6 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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