Am29F400B is a 4-megabit CMOS flash memory with features such as single power supply operation, high performance, and low power consumption.
The Am29F400B is a 4 Mbit, 5.0 volt-only Flash memory organized as 524,288 bytes or 262,144 words. It is manufactured using AMD's 0.35 um process technology and offers access times as fast as 55 ns. The device is designed to be programmed in-system with a standard 5.0 volt Vcc supply, eliminating the need for a 12.0 V Vpp for write or erase operations.
| Capacity | 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) |
|---|---|
| Voltage | 5.0 volt-only |
| Process Technology | 0.35 um |
| Access Time | 55 ns |
| Standby Current | 1A |
| Read Current (Byte Mode) | 20 mA |
| Program/Erase Current | 30 mA |
| Program/Erase Cycles | 1,000,000 |
No, the device requires only a single 5.0 volt power supply for both read and write functions.
The device is offered in 44-pin SO and 48-pin TSOP packages.