GR >> 23LCV512-ISN 
541349
23LCV512-I/SN
Microchip Technology
Quantity 9000
Packaging IC SRAM 512KBIT 20MHZ 8SOIC
Description original&Quality new original
768200
23LCV512-I/SN
Microchip Technology
Quantity 20000
Packaging IC NVSRAM 512KBIT 20MHZ 8SOIC
Description original&Quality new original