GR >> 25AA640AT-ESN 
542809
25AA640AT-E/SN
Microchip Technology
Quantity 9000
Packaging IC EEPROM 64KBIT 10MHZ 8SOIC
Description original&Quality new original
770414
25AA640AT-E/SN
Microchip Technology
Quantity 20000
Packaging IC EEPROM 64KBIT SPI 8SOIC
Description original&Quality new original