【Atmel】AT29C257-12JC,闪存 256K(32Kx8) 5V ONLY 120NS COM TEMP
AT29C257-12JC-T,IC FLASH 256KBIT PARALLEL 32PLCC
【Atmel】AT29C257-12JI,IC FLASH 256KBIT 120NS 32PLCC
AT29C257-12JI-T,IC FLASH 256KBIT PARALLEL 32PLCC
【Atmel】AT29C257-15JC,闪存 256k (32kx8)
AT29C257-15JC-T,IC FLASH 256KBIT PARALLEL 32PLCC
【Atmel】AT29C257-15JI,IC FLASH 256KBIT 150NS 32PLCC
【Atmel】AT29C257-20JC,IC FLASH 256KBIT 200NS 32PLCC