DESCRIPTION
The M27128A is a 131,072 bit UV erasable and electrically programmable memory EPROM. It is organized as 16,384 words by 8 bits.
The M27128A is housed in a 28 Pin Window Ceramic Frit-Seal Dual-in-Line package. The transparent lid 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.

■ FAST ACCESS TIME: 200ns
■ EXTENDED TEMPERATURE RANGE
■ SINGLE 5 V SUPPLY VOLTAGE
■ LOW STANDBY CURRENT: 40mA max
■ TTL COMPATIBLE DURING READ and PROGRAM
■ FAST PROGRAMMING ALGORITHM
■ ELECTRONIC SIGNATURE
■ PROGRAMMING VOLTAGE: 12V