M29W400B100M1 Flash Electrically-Erasable PROM (EEPROM) - 256kx16 or 512kx8
From STMicroelectronics
| Bits Per Word | 8 |
| Military | N |
| Nom. Supp (V) | 3.3 |
| Number of Chip Selects | 1 |
| Number of Words | 512k |
| Output Config | 3-State |
| Package | SO |
| Pins | 44 |
| Program Voltage (V) | 3 |
| Technology | CMOS |
| t(a) Max. (s) Access Time | 100n |
