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WSE128K16-73G2TCA Datasheet(PDF) 1 Page - White Electronic Designs Corporation |
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WSE128K16-73G2TCA Datasheet(HTML) 1 Page - White Electronic Designs Corporation |
1 / 15 page WSE128K16-XXX 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs PRELIMINARY* White Electronic Designs Corp. reserves the right to change products or specifications without notice. March 2005 Rev. 3 128Kx16 SRAM/EEPROM MODULE FEATURES Access Times of 35ns (SRAM) and 150ns (EEPROM) Access Times of 45ns (SRAM) and 120ns (EEPROM) Access Times of 70ns (SRAM) and 300ns (EEPROM) Packaging • 66 pin, PGA Type, 1.075" square HIP, Hermetic Ceramic HIP (H1) (Package 400) • 68 lead, Hermetic CQFP (G2T), 22mm (0.880") square (Package 509). Designed to fit JEDEC 68 lead 0.990" CQFJ footprint (FIGURE 2) 128Kx16 SRAM 128Kx16 EEPROM Organized as 128Kx16 of SRAM and 128Kx16 of EEPROM Memory with separate Data Buses Both blocks of memory are User Configurable as 256Kx8 Low Power CMOS BLOCK DIAGRAM PIN DESCRIPTION ED0-15 EEPROM Data Inputs/Outputs SD0-15 SRAM Data Inputs/Outputs A0-16 Address Inputs SWE#1-2 SRAM Write Enable SCS#1-2 SRAM Chip Selects OE# Output Enable VCC Power Supply GND Ground NC Not Connected EWE#1-2 EEPROM Write Enable ECS#1-2 EEPROM Chip Select Top View FIGURE 1 – WSE128K16-XH1X PIN CONFIGURATION Commercial, Industrial and Military Temperature Ranges TTL Compatible Inputs and Outputs Built-in Decoupling Caps and Multiple Ground Pins for Low Noise Operation Weight - 13 grams typical EEPROM MEMORY FEATURES Write Endurance 10,000 Cycles Data Retention at 25°C, 10 Years Low Power CMOS Operation Automatic Page Write Operation Page Write Cycle Time 10ms Max. Data Polling for End of Write Detection Hardware and Software Data Protection TTL Compatible Inputs and Outputs * This product is under development, is not qualified or characterized and is subject to change without notice. SD8 SD9 SD10 A13 A14 A15 A16 NC SD0 SD1 SD2 11 22 33 44 55 66 112 23 34 45 56 ED8 ED9 ED10 A6 A7 NC A8 A9 ED0 ED1 ED2 SD15 SD14 SD13 SD12 OE# NC SWE#1 SD7 SD6 SD5 SD4 SWE2# SCS2# GND SD11 A10 A11 A12 VCC SCS1# NC SD3 ED15 ED14 ED13 ED12 A0 A1 A2 ED7 ED6 ED5 ED5 VCC ECS2# EWE2# ED11 A3 A4 A5 EWE1# ECS1# GND ED3 EWE1# ECS1# EWE2# ECS2# SWE2# SCS2# 128K x 8 SRAM 8 SD0-7 128K x 8 SRAM 8 SD8-15 128K x 8 EEPROM 8 ED0-7 128K x 8 EEPROM 8 ED8-15 A0-16 OE# SWE1# SCS1# |
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