W39L512 64K × 8 CMOS FLASH MEMORY 1.
GENERAL DESCRIPTION The W39L512 is a 512Kbit, 3.
3-volt only CMOS flash memory organized as 64K × 8 bits.
For flexible erase capability, the 512Kbits of data are divided into 16 small even pages with 4 Kbytes.
The bytewide (× 8) data appears on DQ7 − DQ0.
The device can be programmed and erased in-system with a standard 3.
3V power supply.
A 12-volt VPP is not required.
The unique cell architecture of the W39L512 results in fast program/erase operations with extremely low current consumption (compared to other comparable 3.
3-volt flash memory products).
The device can also be programmed and erased by using standard EPROM programmers.
2.
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