W39V040FB View Datasheet(PDF) - Winbond

Part Name

Description

Manufacturer

W39V040FB

512K × 8 CMOS FLASH MEMORY WITH FWH INTERFACE

Winbond 

9.3 Embedded #Data Polling Algorithm

W39V040FB

Start

Read Byte

(DQ0 - DQ7)

Address = SA

Yes

DQ7 = Data

?

No

No

DQ5 = 1

Yes

Read Byte

(DQ0 - DQ7)

Address = SA

Yes

DQ7 = Data

No

Fail

Pass

Note: SA = Valid address for programming .During a sector erase

operation, a valid address is an address within any sector

selected for erasure.

- 15 -

Publication Release Date: December 12, 2005

Revision A4

Share Link: