WSF256K8-xCx - White Electronic

WSF256K8-xCx 256Kx8 SRAM/ FLASH MODULE

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 s 10,000 Erase/Program Cycles s Sector Architecture • 8 equal size sectors of 16KBytes each • Any combination of sectors can be concurrently erased. Also supports full chip erase s Data Retention, 10 Years at 125°C s 5 Volt Programming; 5.

Features

s Access Times of 35ns (SRAM) and 70ns (FLASH) s JEDEC Standard, Hermetic Ceramic Package, 32 pin DIP (Package 300) s 256Kx8 SRAM s 256Kx8 5V FLASH s Memory Map Flash Memory: 0H-3FFFFH SRAM: 40000H-7FFFFH s Low Power CMOS s Commercial, Industrial and Military Temperature Ranges s TTL Compatible Inputs and Outputs s Built-in Decoupling Caps and Multiple Ground Pins for Low Noise Operation 11 MIXED MODULES 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 FLASH MEMORY FEATURES PIN DESCRIPTIO.