W39L040 Datasheet 512K x 8 CMOS FLASH MEMORY

Manufacturer: Winbond

W39L040 512k x 8 cmos flash memory by Winbond - Datasheet Preview

Datasheet Details

Part number	W39L040
Manufacturer	Winbond
File Size	327.24 KB
Description	512K x 8 CMOS FLASH MEMORY
Download	W39L040 Download (PDF)

General 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 composed of 16 smaller even pages with 4 Kbytes.

The byte-wide (× 8) data appears on DQ7 − DQ0.

Overview

W39L040 512K × 8 CMOS FLASH MEMORY 1.

GENERAL.

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.

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