M29F040B is a 4 Mbit (512Kb x 8, Uniform Block) single supply flash memory chip. It has a single 5V ± 10% power supply voltage, fast read/write operation time, 8 uniform 64 Kbytes storage blocks, supported program/erase controller, supported erase suspend/resume mode, low power consumption and 100,000 program/erase cycles.
The document describes the M29F040B, a 4 Mbit (512Kb x8) non-volatile Flash Memory designed for read, erase, and reprogram operations using a single 5V supply. It features an embedded Program/Erase controller that simplifies memory updates and includes status register polling to detect operation completion.
| Memory Capacity | 4 Mbit (512Kb x8) |
|---|---|
| Supply Voltage | Single 5V + 10% |
| Access Time | 45ns |
| Programming Time | 8us per Byte typical |
| Memory Blocks | 8 Uniform 64 Kbytes |
| Program/Erase Cycles | 100,000 per Block |
| Data Retention | 20 Years |
The manufacturer code is 20h.
It is offered in TSOP32, PLCC32 and PDIP32 packages.