W39V040A Datasheet (Winbond) - 512K X 8 CMOS FLASH MEMORY

W39V040A, 512K X 8 CMOS FLASH MEMORY

The W39V040A is a 4-megabit, 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 composed of 16 smaller even pages with 4 Kbytes.

The device can be programmed and erased in-system wit

W39V040A Features

* Single 3.3-volt Operations:

* 3.3-volt Read

* 3.3-volt Erase

* 3.3-volt Program

* Hardware protection:

* Optional 16K byte or 64K byte Top Boot Block with lockout protection

* #TBL & #WP support the whole chip hardware protection