GR >> 23LC512T-ESN 
541331
23LC512T-E/SN
Microchip Technology
Quantity 9000
Packaging IC SRAM 512KBIT 20MHZ 8SOIC
Description original&Quality new original
770917
23LC512T-E/SN
Microchip Technology
Quantity 20000
Packaging IC SRAM 512KBIT 20MHZ 8SOIC
Description original&Quality new original