آی سی M27256-2F1

NMOS 256K 32K x 8 UV EPROM
STMicroelectronics

M27256-2F1 Product details

DESCRIPTION

The M27512 is a 524,288 bit UV erasable and electrically programmable memory EPROM. It is organized as 65,536 words by 8 bits. The M27512 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 5V SUPPLY VOLTAGE

■ LOW STANDBY CURRENT: 40mA max

■ TTL COMPATIBLE DURING READ and PROGRAM

■ FAST PROGRAMMING ALGORITHM

■ ELECTRONIC SIGNATURE

■ PROGRAMMING VOLTAGE: 12V

https://www.alldatasheet.com/datasheet-pdf/pdf/22814/STMICROELECTRONICS/M27256-2F1.html