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W39V040B View Datasheet(PDF) - Winbond

Part NameDescriptionManufacturer
W39V040B 512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE Winbond
Winbond Winbond
W39V040B Datasheet PDF : 32 Pages
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W39V040B
Timing Waveforms for Programmer Interface Mode, continued
11.3 Program Cycle Timing Diagram
A[10:0]
(Internal A[18:0])
DQ[7:0]
R/#C
Byte Program Cycle
5555
AA
2AAA
55
5555
Programmed Address
A0
Data-In
#OE
#WE
RY/#BY
TWPH
TWP
Byte 0
Byte 1
TBP
Byte 2
Byte 3
Internal Write Start
TBUSY
Note: The internal address A[18:0] are converted from external Column/Row address.
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].
11.4 #DATA Polling Timing Diagram
A[10:0]
(Internal A[18:0])
An
R/ #C
#WE
#OE
DQ7
X
An
TOEP
RY/#BY
TBUSY
X
TBP
An
An
X
X
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Publication Release Date: April 14, 2005
Revision A3
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