HD74HC114 Datasheet, PDF (2/8 Pages) Hitachi Semiconductor – Dual J-K Flip-Flops (with Preset, Common Clear and Common Clock)

HD74HC114
Function Table
Inputs
Output
Preset
Clear
Clock
J
K
Q
Q
L
H
X
X
X
H
L
H
L
X
X
X
L
H
L
L
X
X
X
H*¹
H*¹
H
H
L
L
No change
H
H
L
H
L
H
H
H
H
L
H
L
H
H
H
H
Toggle
H
H
L
X
X
No change
H
H
H
X
X
No change
H
Note:
H
X
X
No change
1. Q and Q will remain HIGH as long as Preset and Clear are Low, but Q and Q are unpredictable,
if Preset and Clear go HIGH simultaneously.
Pin Arrangement
CLK 1
1K 2
1J 3
1PR 4
1Q 5
1Q 6
GND 7
K _CK J
PR PR
Q
Q
K _CK J
PR PR
Q
Q
(Top view)
14 V_CC
13 CK
12 2K
11 2J
10 2PR
9 2Q
8 2Q
2