W78C51D 데이터 시트보기 (PDF) - Winbond
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W78C51D Datasheet PDF : 18 Pages
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Preliminary W78C51D
TIMING WAVEFORMS
Program Fetch Cycle
XTAL1
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6
ALE
PSEN
PORT 2
TAPL
TALW
TPSW
TAAS
TAAH
TPDA
TPDH, TPDZ
PORT 0
Code
A0-A7
Data A0-A7
Code A0-A7
Data A0-A7
Data Read Cycle
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
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Publication Release Date: January 1999
Revision A1
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