Am29LL800B 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 2.2 Volt-only Boot Sector Flash Memory is a low-power, high-performance flash chip produced by AMD. It is compatible with 0.5µm Am29LL800 device. The chip supports single power supply, read/write voltage range is 2.2-2.7V, and it is suitable for battery-powered applications. The chip has high performance, low power consumption, flexible sector architecture and other features.
The Am29LL800B is an 8‑Mbit, 2.2‑volt‑only CMOS flash memory offered in 44‑pin SO and 48‑pin TSOP packages. It supports single‑power‑supply operation, low power consumption, and fast access times suitable for battery‑powered applications.
The document includes detailed electrical characteristics, sector architecture, bus operation timing, and ordering information. It also describes power‑saving modes, hardware reset behavior, and revision history for the product.
| Capacity | 8 Megabit (1 M × 8‑Bit/512 K × 16‑Bit) |
|---|---|
| Operating Voltage | 2.2 V to 2.7 V |
| Access Time | 150 ns typical |
| Standby Current | 75 nA |
| Automatic Sleep Current | 75 nA |
| Read Current | 7 mA |
| Program/Erase Current | 15 mA |
| Package Types | 48‑pin TSOP, 44‑pin SO |
| Temperature Range (Commercial) | 0 °C to +70 °C |
| Temperature Range (Industrial) | -40 °C to +85 °C |
| Sector Architecture | 1 × 16 KB, 2 × 8 KB, 1 × 32 KB, 15 × 64 KB |
The device operates from 2.2 V to 2.7 V for both read and write operations.
Typical access time is 150 ns, with a maximum of 200 ns specified.
It contains one 16 KB sector, two 8 KB sectors, one 32 KB sector, and fifteen 64 KB sectors.
Completion can be detected via the Ready/Busy# (RY/BY#) pin or by polling the Data# (DQ7) and toggle (DQ6) status bits.