W49V002FA View Datasheet(PDF) - Winbond

Part Name

Description

View to exact match

W49V002FA

256K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE

Winbond 

Timing Waveforms for FWH Interface Mode, continued

FGPI Register/Product ID Readout Timing Diagram

W49V002FA

CLK

#RESET

FWH4

FWH[3:0]

Start IDSEL

Address

M Size

TAR

1101b 0000b

A[27:24] A[23:20] A[19:16]

0000b

0001b

/0000b

0000b

0000b

/0001b

0000b Tri-State 1111b

1 Clock 1 Clock

Load Address "FFBC0100(hex)" in 7 Clocks for GPI Register

& "FFBC0000(hex)/FFBC0001(hex) for Product ID

2 Clocks

Sync

0000b

Data

TAR

D[3:0] D[7:4] Tri-State 1111b

1 Clock Data out 2 Clocks 2 Clocks

Next Start

1 Clock

Note: During the GPI read out mode, the DQ[4:0] will capture the states(High or Low) of the FGPI[4:0] input pins. The DQ[7:5] are reserved pins.

Reset Timing Diagram

VDD

CLK

#RESET

FWH[3:0]

FWH4

TPRST

TKRST

TRSTP

TRST

F

TRST

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Publication Release Date: February 19, 2002

Revision A2

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