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NOR Flash Parallel 5V 4Mbit 512K/256K x 8bit/16bit 70ns 48-Pin TSOP-I
This part may be known by these alternate part numbers:
Descriptions of Macronix MX29F400CBTI-70G provided by its distributors.
IC FLASH 4MBIT PARALLEL 48TSOP
DigiKey
NOR Flash Parallel 5V 4Mbit 512K/256K x 8bit/16bit 70ns 48-Pin TSOP-I
Avnet
MX29F Series 5 V 4 Mb (512k x 8/256k x 16) 70 ns Parallel Flash - TSOP-48
Future Electronics