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Function Table:
Inputs
A1
A2
B1
B2
H
H
X
X
X
X
L
X
X
X
X
L
L
X
H
H
L
X
↑
H
L
X
H
↑
X
L
H
H
X
L
↑
H
X
L
H
↑
H
↓
H
H
↓
↓
H
H
↓
H
H
H
H = HIGH Logic Level
L = LOW Logic Level
X = Either LOW or HIGH Logic Level
↑ = LOW to HIGH Level Transition
↓ = HIGH to LOW Level Transition
= Positive Pulse
= Negative Pulse
Outputs
Q
Q
L
H
L
H
L
H
L
H
L
H
Pin Connection Diagram
A1 1
A2 2
B1 3
B2 4
N.C. 5
Q6
GND 7
14 VCC
13 RX
12 N.C.
11 CX
10 N.C.
9 N.C.
8Q