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M27256

STMicroelectronics
Part Number M27256
Manufacturer STMicroelectronics
Description NMOS 256K 32K x 8 UV EPROM
Published Apr 1, 2005
Detailed Description M27256 NMOS 256K (32K x 8) UV EPROM FAST ACCESS TIME: 170ns EXTENDED TEMPERATURE RANGE SINGLE 5V SUPPLY VOLTAGE LOW STAN...
Datasheet PDF File M27256 PDF File

M27256
M27256

Overview
M27256 NMOS 256K (32K x 8) UV EPROM FAST ACCESS TIME: 170ns 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 M27256 is a 262,144 bit UV erasable and electrically programmable memory EPROM.
It is organized as 32.
768 words by 8 bits.
The M27256 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.
Logic ...


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