W39L040 Description
The W39L040 is a 4Mbit, 3.3-volt only CMOS flash memory organized as 512K × 8 bits. For flexible erase capability, the 4Mbits of data are divided into 8 uniform sectors of 64 Kbytes, which are posed of 16 smaller even pages with 4 Kbytes. The byte-wide (× 8) data appears on DQ7 − DQ0.
W39L040 Key Features
- Single 3.3-volt operations
- 3.3-volt Read
- 3.3-volt Erase
- 3.3-volt Program
- Fast Program operation
- Byte-by-Byte programming: 50 µS (max.)
- Fast Erase operation
- Chip Erase cycle time: 100 mS (max.)
- Sector Erase cyc