GR >> 23LCV512-EP 
541345
23LCV512-E/P
Microchip Technology
Quantity 9000
Packaging IC SRAM 512KBIT 20MHZ 8DIP
Description original&Quality new original
770967
23LCV512-E/P
Microchip Technology
Quantity 20000
Packaging IC NVSRAM 512KBIT 20MHZ 8DIP
Description original&Quality new original