Datasheet Summary
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W25B40/W25B40A
4M-BIT SERIAL FLASH MEMORY WITH BOOT AND PARAMETER SECTORS
Formally NexFlash NX25B40
The Winbond W25B40 / W25B40A is fully patible with the previous NexFlash NX25B40 Serial Flash memory.
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Publication Release Date: January 6, 2006 Revision M
W25B40/W25B40A
Table of Contents1. 2. 3. 4. GENERAL DESCRIPTION ......................................................................................................... 4 Features
................................................................................................................................. 4 PIN CONFIGURATION ....................................................................................