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HCF40194B View Datasheet(PDF) - STMicroelectronics

Part Name
Description
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HCF40194B Datasheet PDF : 12 Pages
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TRUTH TABLES
40104B
Mode
Clockv Select O utput
S 0 S 1 Enable
–/– 0 0
1
–/– 1 0
1
Action
Reset
Shift Right
(Q0 toward Q3)
–/– 0 1
1
Shift Left
(Q3 toward Q0)
–/– 1 1
1
Parallel Load
Operations occur as
X
XX
0
shown above, but
outputs assume high
impedance
Output Low (sink) Current Characteristics.
HCC/HCF40104B/40194B
40194B
Mode
Clock Select Reset
S0 S1
Action
X 0 0 1 No Change
–/– 1 0
1
Shift Right
(Q0 toward Q3)
–/– 0 1
1
Shift Left
(Q3 toward Q0)
–/– 1 1
1
Parallel Load
X X X 0 Reset
1=High level
0=Low level
X= Don’t care
= Level change
Output High (source) Current Characteristics.
Typical Propagation Delay Time vs. Load Capacit-
ance.
Typical Transition Time vs. Load Capacitance.
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