Download the AT27HC642 datasheet PDF.
This datasheet also includes the AT27HC641 variant, as both parts are published together in a single manufacturer document.
📥 Download Datasheet
Note: The manufacturer provides a single datasheet file (AT27HC641-ATMEL.pdf) that lists specifications for multiple related part numbers.
More Datasheets from Atmel (now Microchip Technology)
Part Number
Description
AT27HC641
64K UV ECPROM
AT21CS01
EEPROM
AT22V10
(AT22V10/L) High Speed UV Erasable Programmable Logic Device
AT22V10B
High Speed UV Erasable Programmable Logic Device
AT22V10L
(AT22V10/L) High Speed UV Erasable Programmable Logic Device
AT24C01D
I2C-Compatible (2-wire) Serial EEPROM
AT24C02C
EEPROM
AT24C02D
I2C-Compatible (2-wire) Serial EEPROM
AT24C04A
2-Wire Serial EEPROM
AT24C128C
I2C Automotive Temperature Serial EEPROM
AT27HC642 Datasheet
