CD74HC4543 Datasheet, PDF (3/10 Pages) Texas Instruments – High-Speed CMOS Logic BCD to 7-Segment Latch/Decoder/Driver for LCDs

5
D0
7
BI
D0 Q0
LATCH
LD ^{LD Q0}
LD ^LD
3
D1
D1 Q1
LATCH
LD _LD Q1
LD _LD
2
D2
D2 _Q2
LATCH
LD LD
Q2
LD LD
4
D3
1
LD
D3 Q3
LATCH
LD LD _Q3
LD LD
LD
LD
CD74HC4543
9
a
10
b
11
c
Dn
Q_n
LD
Q_n
LD
12
d
LD
Dn _P
N
LD
13
e
15
f
14
g
6
PH
FIGURE 1. LOGIC DIAGRAM
Q_n
Q_n
LD
P
N
LD
3