BISS: Atmel AT27C256R-70PU EPROM, 256K 70NS OTP 28DIP (50 pieces) - Atmel

BISS: Atmel AT27C256R-70JU IC EPROM 256K 70NS OTP 32PLCC (5 pieces) - Atmel

CE: 1pcs M27C256-12F1 - no manufacturer

CE: ATMEL - AT27C256R-45PU - ONE TIME PROGRAMMABLE (OTP) EPROM IC - ATMEL

Single Detail Page Misc: EPROM 256KB(32K X 8)70NS - NTE

CE: ATMEL - AT27C256R-45JU - ONE TIME PROGRAMMABLE (OTP) EPROM IC - ATMEL

CE: 10pcs 27C256-20 - no manufacturer

BISS: AM27C256-90DI - American Microsemiconductor

BISS: AM27C256-90JC - American Microsemiconductor

BISS: D27C256-1 - American Microsemiconductor

CE: 1pcs M27C256B-12F6 - no manufacturer

Single Detail Page Misc: EPROM 256KB(32K X 8)150NS - NTE

BISS: TMS27C256-20 - American Microsemiconductor

BISS: AM27C256-100DC - American Microsemiconductor

CE: 1pcs M27C256-10F1 - no manufacturer

BISS: TMS27C256-1JL - American Microsemiconductor

BISS: AM27C256-255DC - American Microsemiconductor

BISS: AM27C256-125DC - American Microsemiconductor

CE: 10pcs M27C256-12F1 - no manufacturer

BISS: TMS27C256-3JL - American Microsemiconductor

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27C256 Eprom Popular Q&A

Q: Has anyone does this? Ever run into any problems? burning 27c256 ...
A: Instead of making a new thread I thought I'd ask it here. I get the following error from my willem programmer (PCB 4.5C): Error at 0x000300 Chip = 0x00 buffer 0... Read More »

27C256 Eprom Helpful Resources

27C256
The Microchip Technology Inc. 27C256 is a CMOS. 256K bit electrically Programmable Read Only Memory. (EPROM). The device is organized as 32K words by ...

27C256 EPROM Datasheet - Futurlec
27C256, 27C256 Datasheet, 27C256 256K EPROM, buy 27C256.

27C256-10: MAJOR BRANDS: ICs & Semiconductors
buy 5 VOLT 32KX8 DIP-28 100 NANOSECONDS EPROM.

What's a good EEPROM replacement for a 27C256/29C256 ...
Dec 2, 2011 ... The instructions are read by a low-speed TTL computer they build. I started with the 27C256 EPROM but switched to the 29C256 EEPROM, ...