PC28F640 Description
Numonyx™ Embedded Flash Memory .. D) 32, 64, 128, and 256 Mbit Datasheet Product.
PC28F640 Key Features
- Architecture
- High-density symmetrical 128-Kbyte blocks
- 256 Mbit (256 blocks)
- 128 Mbit (128 blocks)
- 64 Mbit (64 blocks)
- 32 Mbit (32 blocks) Performance
- 75 ns Initial Access Speed (128/64/32 -Mbit densities)
- 95 ns Initial Access Speed (256 Mbit only)
- 25 ns 8-word and 4-word Asynchronous page-mode reads
- 32-Byte Write buffer