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CD74HCT4543 Datasheet(PDF) 2 Page - Texas Instruments

Part # CD74HCT4543
Description  BCD-TO-7 SEGMENT LATCH/DECODER/DRIVER
PDF  11 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

CD74HCT4543 Datasheet(HTML) 2 Page - Texas Instruments

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CD74HCT4543
BCD-TO-7 SEGMENT LATCH/DECODER/DRIVER
SCHS281A – REVISED MAY 2003
2
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
FUNCTION TABLE
LD
BI
PH
D3
D2
D1
D0
a
b
c
d
e
f
g
Display
X
H
L
X
X
X
X
L
L
L
L
L
L
L
Blank
H
L
L
L
L
L
L
H
H
H
H
H
H
L
0
H
L
L
L
L
L
H
L
H
H
L
L
L
L
1
H
L
L
L
L
H
L
H
H
L
H
H
L
H
2
H
L
L
L
L
H
H
H
H
H
H
L
L
H
3
H
L
L
L
H
L
L
L
H
H
L
L
H
H
4
H
L
L
L
H
L
H
H
L
H
H
L
H
H
5
H
L
L
L
H
H
L
H
L
H
H
H
H
H
6
H
L
L
L
H
H
H
H
H
H
L
L
L
L
7
H
L
L
H
L
L
L
H
H
H
H
H
H
H
8
H
L
L
H
L
L
H
H
H
L
H
L
H
H
9
H
L
L
H
L
H
L
L
L
L
L
L
L
L
Blank
H
L
L
H
L
H
H
L
L
L
L
L
L
L
Blank
H
L
L
H
H
L
L
L
L
L
L
L
L
L
Blank
H
L
L
H
H
L
H
L
L
L
L
L
L
L
Blank
H
L
L
H
H
H
L
L
L
L
L
L
L
L
Blank
H
L
L
H
H
H
H
L
L
L
L
L
L
L
Blank
L
L
L
X
X
X
X
†
†
As above
H
As above
Inverse of above
As above
† Depends on BCD code previously applied when LD = high.
functional diagram
5
3
2
4
1
7
D0
D1
D2
D3
LD
BI
PH
6
GND = 8
VCC = 16
9
10
11
12
13
15
14
a
b
c
d
e
f
g
7-Segment
Outputs
BCD
Inputs



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