Key facts
- Brand
- Atmel
- Model
- AT49BV640DT
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-09
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ATMEL AT49BV640D AT49BV640DT Data Sheet
The AT49BV640D(T) is a 32‑megabit (4,194,304 × 16‑bit) flash memory device offered in 56‑lead TSOP and 48‑ball CBGA packages. It supports single‑voltage operation (2.65 V – 3.6 V) and is designed for in‑system programming with flexible sector protection, erase‑suspend, and program‑suspend features.
The datasheet describes pin configurations, command sequences, sector organization (135 sectors), timing parameters, protection modes (Softlock/Hardlock), and power‑down behavior, providing all information needed for hardware designers and firmware developers.
Atmel AT49BV640DT specifications
| Operating Voltage | 2.65 V – 3.6 V |
|---|---|
| Access Time | 70 ns |
| Fast Word Program Time | 10 ps |
| Typical Sector Erase Time (32 K‑word) | 700 ms |
| Low‑Power Active Current | 10 mA |
| Minimum Erase Cycles | 100 000 |
| Memory Size | 32 Mbit (4,194,304 × 16‑bit words) |
| Package Types | 56‑lead TSOP, 48‑ball CBGA |
All Atmel AT49BV640DT documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What voltage range does the AT49BV640D operate at?
It operates from 2.65 V to 3.6 V.
How many erase cycles are guaranteed for the device?
The device guarantees a minimum of 100 000 erase cycles.
What is the operating voltage range for the AT49BV640D(T)?
The device operates with a read/write voltage between 2.65 V and 3.6 V.
What is the maximum erase time for a 32 K‑word sector?
A 32 K‑word sector can be erased in up to 700 ms.