White Electronic Designs WS512K16-XXX ADVANCED* 512Kx16 SRAM MODULE FEATURES Access Times 17, 20, 25, 35ns Data I/O Compatible with 3.3V devices MIL-STD-883 Compliant Devices Available Packaging 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 • 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 * This product is under development, is not qualified or characterized and is subject to change or cancellation without notice. PIN CONFIGURATION FOR WS512K16-XXX Pin Description 44 CSOJ 44 FLATPACK A0-17 LB# UB# I/O1-16 CS1-2# OE# WE# VCC GND NC 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 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 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 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 WS512K16-XXX ADVANCED TRUTH TABLE CS1# H L CS2# H H H L L H H H L L L H H L L H WE# X OE# X LB# X UB# X H H X X X X H H H L L H L H L L H L H L L H L L Mode Not Select I/O1-8 Data I/O I/O9-16 Power Standby Output Disable High Z High Z Active Data Out High Z Data Out Data In High Z Data In High Z Data Out Data Out High Z Data In Data In Read Write 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 Active Active RECOMMENDED OPERATING CONDITIONS Unit °C °C V °C V 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 = +25°C 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, -55°C ≤ TA ≤ +125°C Parameter Sym Conditions Input Leakage Current Output Leakage Current Operating Supply Current Standby Current Output Low Voltage Output High Voltage 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, VCC = 5.5 IOL = 8mA, VCC = 4.5 IOH = -4.0mA, VCC = 4.5 Min Max Units 10 10 290 30 0.4 µA µA mA mA V V Max 5.5 12.0* Units µA mA 2.4 NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V DATA RETENTION CHARACTERISTICS -55°C ≤ TA ≤ +125°C Characteristic Data Retention Supply Voltage Data Retention Current Sym VDR ICCDR1 Conditions CS# ≥ VCC -0.2V VCC = 3V Min 2.0 Typ 2.0 * 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 WS512K16-XXX ADVANCED AC CHARACTERISTICS VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C Parameter Read Cycle Symbol 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 tRC tAA tOH tACS tOE tCLZ1 tOLZ1 tCHZ1 tOHZ1 tBA tBLZ1 tBHZ1 -17 Min 17 -20 Max Min 20 -25 Max 17 Min 25 20 0 0 0 12 12 14 0 9 35 20 5 0 10 10 12 0 ns ns ns ns ns ns ns ns ns ns ns ns 35 25 15 5 0 9 9 10 Units Max 0 20 12 5 0 Min 35 25 0 17 10 2 0 -35 Max 15 15 17 0 10 12 15 1. This parameter is guaranteed by design but not tested. AC CHARACTERISTICS VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C 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 -17 Min 17 14 14 10 14 0 0 0 -20 Max Min 20 17 17 12 17 0 0 0 9 -25 Max Min 25 20 20 15 20 0 0 0 10 0 14 0 17 -35 Max Min 35 25 25 20 25 0 0 0 Units Max 10 0 20 ns ns ns ns ns ns ns ns ns ns ns 15 0 25 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 I OL Current Source VZ D.U.T. 1.5V Unit V ns V V Notes: V Z is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75Ω. V Z is typically the midpoint of VOH and VOL. IOL & IOH are adjusted to simulate a typical resistive load circuit. ATE tester includes jig capacitance. (Bipolar Supply) C eff = 50 pf Typ VIL = 0, VIH = 3.0 5 1.5 1.5 I OH Current Source 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 WS512K16-XXX ADVANCED TIMING WAVEFORM – READ CYCLE tRC ADDRESS tAA CS# tACS tCHZ tBA tBLZ tCLZ tBHZ LB#, UB# OE# tOE tOLZ tOHZ DATA I/O DATA VALID HIGH IMPEDANCE READ CYCLE 1, (CS# = OE# = VIL, UB# or LB# = VIL, WE# = VIH) READ CYCLE 2 (WE# = VIH) WRITE CYCLE – WE# CONTROLLED tWC ADDRESS tAW tAH tCW CS# tBW LB#, UB# tAS tWP WE# tOW tWHZ DATA I/O tDW tDH DATA VALID WRITE CYCLE 1, WE# CONTROLLED WRITE CYCLE – CS# CONTROLLED WRITE CYCLE – LB#, UB# CONTROLLED tWC tWC ADDRESS ADDRESS tAS tAW tAH tCW tAS tAH tCW CS# CS# tBW tBW LB#, UB# LB#, UB# tWP tWP WE# WE# tDW DATA I/O tAW tDW tDH DATA I/O DATA VALID tDH DATA VALID WRITE CYCLE 3, LB#, UB# CONTROLLED WRITE CYCLE 2, CS# 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 WS512K16-XXX ADVANCED PACKAGE 102: 44 LEAD, CERAMIC SOJ 28.70 (1.13) ± 0.25 (0.010) 3.96 (0.156) MAX 0.2 (0.008) ± 0.05 (0.002) 0.89 (0.035) Radius TYP 9.55 (0.376) ± 0.25 (0.010) 11.3 (0.446) ± 0.2 (0.009) 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) PIN 1 IDENTIFIER 3.18 (0.125) MAX 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) 1.27 (0.050) TYP 0.13 (0.005) ± 0.05 (0.002) 26.67 (1.050) 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 WS512K16-XXX ADVANCED ORDERING INFORMATION 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 -55°C to +125°C -40°C to +85°C 0°C to +70°C 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