AT28C64 DATASHEET PDF

AT28CPC Microchip Technology / Atmel EEPROM 64K 5V w/RDYBSY – NS COM TEMP datasheet, inventory, & pricing. Microchip AT28C64 EEPROM are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Microchip AT28C64 EEPROM. AT28CPC 64k (8k X 8) Parallel EePROMs Features. Fast Read Access Time ns Fast Byte Details, datasheet, quote on part number: AT28C 15PC.

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AT28CSC IC EEPROM 64K NS SO Atmel datasheet pdf data sheet FREE from

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This does exactly what you say, i.

AT28C64 Datasheet(PDF) – ATMEL Corporation

Email Required, but never shown. Sign up or log in Sign up using Google. For memory chips in particular, pins that get used as address pins in larger parts and are NC pins in smaller parts can usually be connected. Sometimes no connect pins are special function pins and they don’t want you to connect to them.

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In general, except xatasheet cases where the manufacture is specifically supporting compatible footprints between different parts, you should not connect to the NC pins.

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AT28C64 Datasheet PDF

Is it OK anyway to connect such pins to outputs of shift registers and be able to make a AT28C64 like a drop-in replacement for AT28C or are the NC pins internally connected to something? And if wt28c64 datasheet is not absolutely clear, contact the vendor.

With that resistor in series with pin 1, swapping in an 8K ROM instead of the 32K one should work just fine. There are “No Connect” NC pins, those are not connected in the chip so you can hook them up to a voltage.

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Other times there may not even be a wire bond between the silicon and the pin, so you are free to do whatever you want with it. Post as a guest Name. I created a circuit at28x64 which all the address inputs of an AT28C are connected to outputs of datashest registers 74HC In the future I will do many of these circuits, however I haven’t yet decided if I need the full 32KB of memory.

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Well no connect could mean do not connect or does not connect. After looking at the datasheets, I notice the difference in pin-out between the two chips is that on the AT28C64, A13 and A14 are replaced with NC no connects.

The datasheet of the AT28C64 makes it pretty clear: They can usually answer these types of questions.