W49V002FAQ datasheet(25/32 Pages) WINBOND

номер детали	W49V002FAQ

подробное описание детали	256K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE

PDF	32 Pages

Scroll/Zoom	100%

производитель	WINBOND [Winbond]

домашняя страница	http://www.winbond.com

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25 / 32 page

W49V002FA

Publication Release Date: February 19, 2002

- 25 -

Revision A2

Timing Waveforms for FWH Interface Mode, continued

Toggle Bit Timing Diagram

Read the DQ6 to see if the internal write complete or not.

FWH4

Start

Load Address in 7 Clocks

CLK

1 Clock

2 Clocks

Address

Sync

TAR

1111b

Tri-State

0000b

Data out 2 Clocks

X,D6,XXb

Data

XXXXb

FWH4

FWH[3:0]

Start

Load Address in 7 Clocks

CLK

1 Clock

2 Clocks

Address

Sync

TAR

1111b

Tri-State

0000b

Data out 2 Clocks

Data

When internal write complete, the DQ6 will stop toggle.

X,D6,XXb

XXXXb

FWH4

FWH[3:0]

Start

Load Address "An" in 7 Clocks

CLK

1 Clock

2 Clocks

A[15:12]

Load Data "Dn"

in 2 Clocks

D[7:4]

Write the last command(program or erase) to the device in FWH mode.

Address

Sync

TAR

Data

1111b

Tri-State

0000b

A[11:8]

A[7:4]

A[3:0]

D[3:0]

IDSEL

XXXXb

IDSEL

0000b

M Size

XXXXb

XXA[17:16]b

XXXXb

1 Clock

0000b

1110b

1 Clock

0000b

1101b

1 Clock

0000b

1101b

1 Clock

2 Clocks

TAR

1111b

Tri-State

Next Start

1 Clock

2 Clocks

TAR

1111b

Tri-State

Next Start

1 Clock

2 Clocks

TAR

1111b

Tri-State

Next Start

FWH[3:0]

#RESET

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