M27512 NMOS 512K (64K x 8) UV EPROM 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 28 1 FDIP28W (F) 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.
Figure 1.
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