This document describes the features and characteristics of the M29F040 4 Mbit single supply flash memory product, including supply voltage, access time, programming and erase time, block erase, low power consumption, data retention time, etc.
The document describes the M29F040, a non-volatile Flash Memory organized as 512K x8 bits. It features an internal Program/Erase Controller (P.E.C.) that handles timing for operations such as Byte-by-Byte programming and Block Erasure. The device supports PLCC32 and TSOP32 packages with both normal and reverse pin-outs.
| Capacity | 4 Mbit (512Kb x8) |
|---|---|
| Access Time | 70ns |
| Program Time (Byte) | 10us typical |
| Erase Time (Block) | 1.0 sec typical |
| Erase Time (Chip) | 2.5 sec typical |
| Program/Erase Cycles | 100,000 per block |
| Data Retention | 20 YEARS |
No, it is not recommended for new designs as it has been replaced by the M29F040B.
The memory contains 8 uniform blocks of 64 KBytes each.