This datasheet introduces AMD's Am29LV004B, a 4 Megabit (512 K x 8-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory.
The document is a technical data sheet for the Spansion Am29LV004B, a 4 Mbit (512 K x 8-Bit) CMOS flash memory chip designed for battery-powered applications with single power supply operation. It details the device's distinctive characteristics, including high performance access times as fast as 70 ns and ultra-low power consumption modes.
The datasheet provides comprehensive information on the device architecture, command sets, and operational features such as sector protection, unlock bypass programming, and erase suspend/resume capabilities. It includes detailed electrical specifications, timing diagrams for read, program, and erase operations, and physical package dimensions.
| Memory Capacity | 4 Megabit (512 K x 8-Bit) |
|---|---|
| Process Technology | 0.32 um process technology |
| Access Time (Max) | 70 ns |
| Supply Voltage Range | 2.7 to 3.6 volt |
| Package Type | 40-pin TSOP |
| Data Retention | 20-year data retention at 125°C |
Yes, it supports hardware methods of locking a sector to prevent any program or erase operations within that sector.
The typical read current is 7 mA, while the automatic sleep mode and standby mode currents are both 200 nA.