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DESCRIPTION

The M27W102 is a low voltage 1 Mbit EPROM offeredin the two rangesUV (ultravioleterase)and OTP (one time programmable). It is ideally suited for microprocessor systems requiring large data or program storageand is organizedas 65,536words by 16 bits.

The M27V102 operates in the read mode with a supply voltage as low as 3V. The decrease in operating power allows either a reduction of the size of the battery or an increase in the time be tween battery recharges.

The FDIP40W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.

■ LOW VOLTAGE READ OPERATION: 3V to 3.6V

■ FASTACCESS TIME: 90ns

■ LOW POWER CONSUMPTION:

– Active Current 15mAat 5MHz

– Standby Current 20μA

■ PROGRAMMING VOLTAGE: 12.75V ± 0.25V

■ PROGRAMMING TIME: 100μs/byte (typical)

■ ELECTRONIC SIGNATURE

– ManufacturerCode: 0020h

– Device Code: 008Ch