ST75C176B 데이터 시트보기 (PDF) - STMicroelectronics
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ST75C176B Datasheet PDF : 17 Pages
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Truth tables
2
Truth tables
ST75C176B - ST75C176C
Table 3.
Truth table (driver)
Inputs
RE
DE
DI
X
H
H
X
H
L
X
L
X
Outputs
B
A
L
H
H
L
Z
Z
Note:
X= Don’t care; Z=High impedance
Table 4. Truth table (receiver)
t(s) RE
c L
du L
ro L
te P H
Obsolete Product(s) - Obsole Note:
Inputs
DE
A-B
L
≥ +0.2V
L
≤-0.2V
L
INPUTS OPEN
L
X
X= Don’t care; Z=High impedance
Output
RO
H
L
H
Z
4/17
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