W49F020 Description
The W49F020 is a 2-megabit, 5-volt only CMOS flash memory organized as 256K × 8 bits. The device can be programmed and erased in-system with a standard 5V power supply. A 12-volt VPP is not required.
W49F020 Key Features
- Single 5-volt operations
- 5-volt Read
- 5-volt Erase
- 5-volt Program
- Fast Program operation
- Byte-by-Byte programming: 50 µS (max.)
- Fast Erase operation: 100 mS (typ.)
- Fast Read access time: 70/90 nS
- Endurance: 1K/10K cycles (typ.)
- Twenty-year data retention