74F161A View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
MFG CO.
74F161A Datasheet PDF : 8 Pages
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Logic Symbols
74F161A
IEEE/IEC
74F163A
IEEE/IEC
74F161A
Unit Loading/Fan Out
74F163A
Pin Names
Description
CEP
Count Enable Parallel Input
CET
Count Enable Trickle Input
CP
Clock Pulse Input (Active Rising Edge)
MR (74F161A) Asynchronous Master Reset Input (Active LOW)
SR (74F163A) Synchronous Reset Input (Active LOW)
P0–P3
PE
Parallel Data Inputs
Parallel Enable Input (Active LOW)
Q0–Q3
TC
Flip-Flop Outputs
Terminal Count Output
U.L.
HIGH/LOW
1.0/1.0
1.0/2.0
1.0/1.0
1.0/1.0
1.0/2.0
1.0/1.0
1.0/2.0
50/33.3
50/33.3
Input IIH/IIL
Output IOH/IOL
20 µA/−0.6 mA
20 µA/−1.2 mA
20 µA/−0.6 mA
20 µA/−0.6 mA
20 µA/−1.2 mA
20 µA/−0.6 mA
20 µA/−1.2 mA
−1 mA/20 mA
−1 mA/20 mA
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