
White Electronic Designs => Micro Semi
FEATURES
■ Access Times of 35ns (SRAM) and 90ns (FLASH)
■ Access Times of 70ns (SRAM) and 120ns (FLASH)
■ Packaging
• 66 pin, PGA Type, 1.385" square HIP, Hermetic Ceramic HIP (Package 402)
• 68 lead, Hermetic CQFP (G2), 22mm (0.880") square (Package 500). Designed to fit JEDEC 68 lead 0.990” CQFJ footprint (Fig. 2)
■ 512Kx16 SRAM
■ 512Kx16 5V FLASH
■ Organized as 512Kx16 of SRAM and 512Kx16 of Flash Memory with separate Data Busses
■ Both blocks of memory are User Configurable as 1Mx8
■ 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 - 13 grams typical
FLASH MEMORY FEATURES
■ 100,000 Erase/Program Cycles
■ Sector Architecture
• 8 equal size sectors of 64K 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