Am29DL400B 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory is a 3.0 Volt-only 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS flash memory that features simultaneous read/write, zero latency read/write, read/write suspend, and multiple power supply.
The AMD Am29DL400B is a 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS Flash Memory designed for single power supply operation at 3.0 volts. It features simultaneous read/write operations, allowing the host system to program or erase one bank while reading from the other with zero latency.
The device is available in 44-pin SO and 48-pin TSOP packages with access times ranging from 70 ns to 120 ns. Key characteristics include sector protection, embedded algorithms for automatic programming and erasing, and hardware reset functionality.
| Memory Capacity | 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) |
|---|---|
| Operating Voltage | 3.0 Volt-only (2.7 to 3.6 V) |
| Active Read Current (typical) | 7 mA at 5 MHz |
| Standby Current | 200 nA |
| Program/Erase Cycles | Minimum 1 million per sector |
| Package Types | 44-pin SO, 48-pin TSOP |
The device is available with access times of 70, 80, 90, and 120 ns.
The standard device offers access times as fast as 70 ns.
The device guarantees a minimum of 1 million program/erase cycles per sector.