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GENERAL DESCRIPTION

The MX28F2100B is a 2-mega bit Flash memory organized as 256K bytes of 8 bits or 128K words of 16 bits switchable. MXICs Flash memories offer the most cost-effective and reliable read/write nonvolatile random access memory. The MX28F2100B is packaged in 44-pin SOP and 48-pin TSOP(I). It is designed to be reprogrammed and erased in-system or in-standard EPROM programmers.

FEATURES

? 262,144x8/131,072x16 switchable

? Fast access time: 70/90/120ns

? Low power consumption

– 50mA maximum active current

– 100uA maximum standby current

? Programming and erasing voltage 12V ± 7

? Command register architecture

– Byte/Word Programming (50 us typical)

– Auto chip erase 5 sec typical (including preprogramming time)

– Block Erase (Any one from 5 blocks:16K-Byte x1, 8K-Byte x2, 96K-Byte x1, and 128K-Byte x1)

– Auto Erase with Erase Suspend capability

? Status Register feature for Device status detection

? Auto Erase (chip & block) and Auto Program

– Status Registers

? 10,000 minimum erase/program cycles

? Latch-up protected to 100mA from -1 to VCC+1V

? Package type:

– 44-pin SOP

– 48-pin TSOP (Type 1)