74F794 Datasheet, PDF (2/6 Pages) Fairchild Semiconductor – 8-Bit Register with Readback

Input Loading/Fan-Out
Pin Names
OE
CP
D₀–D₇
Q₀–Q₇
Description
Output Enable Input
Clock Pulse Inputs
D Bus Inputs/
3-STATE Outputs
Q Bus Outputs
HIGH/LOW
(U.L.)
Current
1.0/1.0 20 µA/−0.6 mA
1.0/1.0
20 µA/−0.6 mA
3.5/1.083 70 µA/−650 µA
750/106.6 −15 mA/64 mA
750/106.6 −15 mA/64 mA
Truth Table
Logic Diagram
Inputs
Outputs
CP
OE Q
D
L or H or ↓
L or H or ↓
↑
↑
L Q_n
H Q_n
L Q_n
HD
Output, Q
Input
Output, Q (Note 1)
Input
Note 1: In this case the output of the register is clocked to the inputs and
the overall Q output is unchanged at Q_n.
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