GR >> 25AA640A-ESN 
542801
25AA640A-E/SN
Microchip Technology
Quantity 9000
Packaging IC EEPROM 64KBIT 10MHZ 8SOIC
Description original&Quality new original
770413
25AA640A-E/SN
Microchip Technology
Quantity 20000
Packaging IC EEPROM 64KBIT SPI 8SOIC
Description original&Quality new original