M28F256 - 256 Kbit Flash Memory
The M28F256 Flash memory is a non-volatile memory that may be erased electrically at the chip level and programmed by byte.
It is organised as 32 Kbytes of 8 bits.
It uses a command register architectureto select the operatingmodes and thus provides a simple microprocessor interface.
The device is o
M28F256 256 Kbit (32Kb x8, Bulk) Flash Memory 5V ±10% SUPPLY VOLTAGE 12V PROGRAMMING VOLTAGE FAST ACCESS TIME: 90ns BYTE PROGRAMING TIME: 10µs typical ELECTRICAL CHIP ERASE in 1s RANGE LOW POWER CONSUMPTION Stand-by Current: 5µA typical 10,000 ERASE/PROGRAM CYCLES INTEGRATED ERASE/PROGRAM-STOP TIMER 20 YEARS DATA RETENTION Defectivity below 1ppm/year ELECTRONIC SIGNATURE Manufacturer Code: 20h Device Code: A8h 32 1 PDIP32 (B) Logic Diagram DATA BRIEFIN
