GR >> 23K640-ESN 
541306
23K640-E/SN
Microchip Technology
Quantity 9000
Packaging IC SRAM 64KBIT 20MHZ 8SOIC
Description original&Quality new original
770470
23K640-E/SN
Microchip Technology
Quantity 20000
Packaging IC SRAM 64KBIT 20MHZ 8SOIC
Description original&Quality new original