AT28C64 DATASHEET PDFMarch 27, 2021
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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AT28C64 datasheet & applicatoin notes – Datasheet Archive
Post as a guest Name. This does dagasheet what you say, i. With that resistor in series with pin 1, swapping in an 8K ROM instead of the 32K one should work just fine. Email Required, but never shown. Home Questions Tags Users Unanswered.
Sign up using Facebook. 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. 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.
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 ratasheet AT28C or are the NC pins internally connected to something?
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.
I created a circuit in which all the address inputs of an AT28C are connected to outputs of shift registers 74HC They can usually answer these types of questions. In general, except in cases where the manufacture is specifically supporting daasheet footprints between different parts, you should not connect to the NC pins.
Well no connect could mean do not connect or does not connect. Sometimes no a2t8c64 pins are special function pins and they don’t want you to connect to them.