WE256K8

White Electronic Designs www.DataSheet4U.com WE512K8, WE256K8, WE128K8-XCX 512Kx8 CMOS EEPROM, WE512K8-XCX, SMD 5962-93091 512Kx8 BIT CMOS EEPROM MODULE FEATURES Read Access Times of 150, 200, 250, 300ns JEDEC Standard 32 Pin, Hermetic Ceramic DIP (Package 300) Commercial, Industrial and Military Temperature Ranges MIL-STD-883 Compliant Devices Available Write Endurance 10,000 Cycles Data Retention at 25°C, 10 Years Low Power CMOS Operation: 3mA Standby Typical/100mA Operating Maximum Automatic Page Write Operation Internal Address and Data Latches for 512 Bytes, 1 to 128 Bytes/Row, Four Pages Page Write Cycle Time 10mS Max. Data Polling for End of Write Detection Hardware and Software Data Protection TTL Compatible Inputs and Outputs FIGURE 1 Pin Configuration Top View A18 A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 VSS 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 WE# A17 A14 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 VSS Address Inputs Data Input/Output Chip Select Output Enable Write Enable +5.0V Power Ground 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 White Electronic Designs Corp. reserves the right to change products or specifications without notice. May 2000 Rev. 1 1 White Electronic Designs Corporation (602) 437-1520 www.wedc.com White Electronic Designs www.DataSheet4U.com WE512K8, WE256K8, WE128K8-XCX 2...