GR >> AT27C256R-45TC 
89352
AT27C256R-45TC
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 45NS 28TSOP
Description original&Quality new original
554179
AT27C256R-45TC
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 45NS 28TSOP
Description original&Quality new original