W78E54B 查看數據表（PDF） - Winbond
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W78E54B Datasheet PDF : 21 Pages
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Timing Waveforms, continued
Data Read Cycle
W78E54B
XTAL1
ALE
PSEN
PORT 2
PORT 0
RD
S4 S5 S6 S1 S2 S3 S4 S5 S6 S1 S2 S3
A0-A7
T DAR
A8-A15
T DDA
DATA
T DDH, T DDZ
T DRD
Data Write Cycle
XTAL1
ALE
PSEN
PORT 2
PORT 0
WR
S4 S5 S6 S1 S2 S3 S4 S5 S6 S1 S2 S3
A0-A7
A8-A15
DATA OUT
TDAD
T DWD
T DAW
T DWR
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Publication Release Date: December 2000
Revision A3
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