GR >> 23K256-ESN 
541296
23K256-E/SN
Microchip Technology
Quantity 9000
Packaging IC SRAM 256KBIT 20MHZ 8SOIC
Description original&Quality new original
770754
23K256-E/SN
Microchip Technology
Quantity 20000
Packaging IC SRAM 256KBIT 20MHZ 8SOIC
Description original&Quality new original