W49V002 datasheet(10/32 Pages) WINBOND

Part #	W49V002

Description	256K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE

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Manufacturer	WINBOND [Winbond]

Direct Link	http://www.winbond.com

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W49V002FA

- 10 -

Embedded #Data Polling Algorithm

Start

Read Byte

(DQ0 - DQ7)

Address = VA

Pass

DQ7 = Data

?

Yes

No

VA = Byte address for programming

= Any of the sector addresses within

the sector being erased during sector

erase operation

= Valid address equals any sector group

address during chip erase

Embedded Toggle Bit Algorithm

Start

Read Byte

(DQ0 - DQ7)

Address = Don't Care

DQ6 = Toggle

?

Yes

No

Pass

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