W39V040C View Datasheet(PDF) - Winbond

Part Name

Description

Manufacturer

W39V040C

512K X 8 CMOS FLASH MEMORY WITH LPC INTERFACE

Winbond 

11.5 Toggle Bit Timing Diagram

A[10:0]

R/ #C

#WE

#OE

DQ6

RY/#BY

TOET

TBP

W39V040C

11.6 Sector/Page Erase Timing Diagram

A[10:0]

(Internal A[18:0])

DQ[7:0]

R/ #C

Six-byte code for 3.3V-only

Sector Erase

5555

AA

2AAA

55

5555

80

5555

AA

2AAA

55

SA

30

#OE

#WE

RY/#BY

TWP

TPEC

TWPH

Internal Erase starts

SB0

SB1

SB2

SB3

SB4

SB5

Note: The internal address A[18:0] are converted from external Column/Row addres

Column/Row Address are mapped to the Low/High order internal address

i.e. Column Address A[10:0] are mapped to the internal A[10:0],

Row Address A[7:0] are mapped to the internal A[18:11].

SA = Sector Address, Please ref. to the "Table of Command Definition"

TBUSY

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Publication Release Date: Apr. 11, 2006

Revision A1

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