Key facts
- Brand
- AMD
- Model
- Am29LV400
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-04
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AMD Am29LV400B 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory handbook
This handbook describes the AMD Am29LV400B 4‑Megabit flash memory, a 3.0 V‑only CMOS device offered in 48‑ball FBGA, 48‑pin TSOP and 44‑pin SO packages. It covers the device architecture, pinout, electrical characteristics, programming algorithms, sector protection, and special handling requirements.
Key features include a full voltage range of 2.7 V‑3.6 V, regulated 3.0 V‑3.6 V operation, access times as fast as 70 ns, ultra‑low power modes, and a guaranteed minimum of 1,000,000 write cycles per sector.
AMD Am29LV400 specifications
| Memory size | 4 Megabit (512 K × 8‑Bit / 256 K × 16‑Bit) |
|---|---|
| Full voltage range | 2.7 V to 3.6 V |
| Regulated voltage range | 3.0 V to 3.6 V |
| Access time | as fast as 70 ns |
| Read current | 7 mA |
| Program/erase current | 15 mA |
| Automatic sleep mode current | 200 nA |
| Package options | 48‑ball FBGA, 48‑pin TSOP, 44‑pin SO |
| Write‑cycle guarantee | ≥ 1,000,000 cycles per sector |
All AMD Am29LV400 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What voltage range does the Am29LV400B support?
It operates from 2.7 V to 3.6 V in full‑range mode and from 3.0 V to 3.6 V in regulated mode.
How many write cycles are guaranteed per sector?
The device guarantees a minimum of 1,000,000 write cycles per sector.
How many write/erase cycles can each sector endure?
Typical endurance is 1,000,000 cycles per sector, with a guaranteed minimum of 100,000 cycles.
From: AMD Am29LV400 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
Which pin provides a hardware reset for the device?
The RESET# pin is the hardware reset pin that terminates any operation in progress and returns the device to read mode.
From: AMD Am29LV400 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory