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CD74HC4543 Datasheet(PDF) 2 Page - Texas Instruments

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Part No. CD74HC4543
Description  High-Speed CMOS Logic BCD to 7-Segment Latch/Decoder/Driver for LCDs
Download  10 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC4543 Datasheet(HTML) 2 Page - Texas Instruments

 
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2
Functional Diagram
FUNCTION TABLE
INPUTS
OUTPUTS
DISPLAY
LD
BI
PH
D3
D2
D1
D0
abcde
f
g
X
H
L
XXXX
LLLLLLL
Blank
H
LLLLLL
HHHHHH
L
0
H
LLLLL
H
L
H
H
LLLL
1
H
LLLL
H
L
H
H
L
H
H
L
H
2
H
LLLL
HHHHHH
L
L
H
3
H
LLL
H
LLL
H
H
LL
H
H
4
HL
L
L
HLH
H
LH
HLH
H
5
H
L
L
L
HH
L
H
L
HHHHH
6
H
L
L
L
HHHHHH
LLLL
7
H
L
L
H
L
L
L
HHHHHHH
8
H
L
L
H
L
L
HHHHH
L
H
H
9
H
L
L
H
L
H
LLLLLLLL
Blank
H
L
L
H
L
H
H
LLLLLLL
Blank
H
L
L
H
H
LLLLLLLLL
Blank
H
L
L
H
H
L
H
LLLLLLL
Blank
H
L
L
H
H
H
LLLLLLLL
Blank
H
L
L
HHHH
LLLLLLL
Blank
L
L
L
XXXX
Note 1
Note 1
As Above
H
As Above
Inverse of Above
As Above
NOTE:
1. Depends on BCD code previously applied when LD = high.
4
5
3
2
D0
D1
D2
D3
9
10
11
12
13
15
14
a
b
c
d
e
f
g
LD
1
GND = 8
VCC = 16
BCD
INPUTS
7 - SEGMENT
OUTPUTS
BI
7
6
PH
DISPLAY
a
b
f
g
e
c
d
0
123
4
5
6
7
8
9
CD74HC4543


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