FEATURES
■ Access Times of 35ns (SRAM) and 70ns (FLASH)
■ Access Times of 70ns (SRAM) and 120ns (FLASH)
■ Packaging
    • 66-pin, PGA Type, 1.075 inch square HIP, Hermetic Ceramic HIP (Package 400)
    • 66-pin, PGA Type, 1.185 inch square HIP, Hermetic Ceramic HIP (Package 401) • 68 lead, Hermetic CQFP (G1U), 22.4mm (0.880 inch) square (Package 519). Designed to fit JEDEC 68 lead 0.990” CQFJ footprint (Fig. 2)
■ 128Kx16 SRAM
■ 128Kx16 5V FLASH
■ Organized as 128Kx16 of SRAM and 128Kx16 of Flash Memory with separate Data Buses
■ Both blocks of memory are User Configurable as 256Kx8
■ Low Power CMOS
■ Commercial, Industrial and Military Temperature Ranges
■ TTL Compatible Inputs and Outputs
■ Built-in Decoupling Caps and Multiple Ground Pins for Low Noise Operation
■ Weight
    • WSF128K16-XHX - 13 grams typical
    • WSF128K16-H1X - 13 grams typical
    • WSF128K16-XG1UX - 5 grams typical

FLASH MEMORY FEATURES
■ 10,000 Erase/Program Cycles
■ Sector Architecture
    • 8 equal size sectors of 16K bytes each
    • Any combination of sectors can be concurrently erased. Also supports full chip erase
■ 5 Volt Programming; 5V ± 10% Supply
■ Embedded Erase and Program Algorithms
■ Hardware Write Protection
■ Page Program Operation and Internal Program Control Time.