AT >> AT49F040A-55TU 
91158
AT49F040A-55TU
Atmel
Quantity 20000
Packaging IC FLASH 4MBIT 55NS 32TSOP
Description original&Quality new original
556834
AT49F040A-55TU
Microchip Technology
Quantity 9000
Packaging IC FLASH 4MBIT 55NS 32TSOP
Description original&Quality new original