Datasheet

2
Functional Diagram
2R
13
2A
12
11
10
9
2Q
2Q
2B
MONO 2
V
CC
15 14
2Cx 2RxCx
1R
3
1A
5
4
6
7
1Q
1Q
1B
MONO 1
V
CC
12
1Cx 1RxCx
1Cx 1Rx
2Cx 2Rx
GND = 8
V
CC
= 16
TRUTH TABLE
INPUTS OUTPUTS
RABQQ
LXXLH
XHXLH
XXLLH
HL↓
H ↑ H
H = High Level, L = Low Level, ↑ = Transition from Low to High,
↓ = Transition from High to Low, One High Level Pulse,
One Low Level Pulse, X = Irrelevant.
FIGURE 1. FF DETAIL
CL
CL
CL
CL
p
n
p
n
p
n
CL
R1
R2
CL
R1
Q
Q
CL
D
CD54HC4538, CD74HC4538, CD54HCT4538, CD74HCT4538