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HCC4543B Fiches technique(PDF) 3 Page - STMicroelectronics

No de pièce HCC4543B
Description  BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

HCC4543B Fiches technique(HTML) 3 Page - STMicroelectronics

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TRUTH TABLE
INPUT CODE
OUTPUT STATE
DI SPLAY
CHARACTER
LD
BI
Ph*
DCBA
a
b
c
d
e
f
g
X
1
0
XXXX
0
0
0
0000
1
0000001
1
1
1
1
10
0
1
0000010
1
1
0
0
00
1
1
0000101
1
0
1
1
01
2
1
0000111
1
1
1
0
01
3
1
0001000
1
1
0
0
11
4
1
0001011
0
1
1
0
11
5
1
0001101
0
1
1
1
11
6
1
0001111
1
1
0
0
00
7
1
0010001
1
1
1
1
11
8
1
0010011
1
1
1
0
11
9
1
0010100
0
0
0
0
00
Blank
1
0010110
0
0
0
0
00
Blank
1
0011000
0
0
0
0
00
Blank
1
0011010
0
0
0
0
00
Blank
1
0011100
0
0
0
0
00
Blank
1
0011110
0
0
0
0
00
Blank
0
0
0
XXXX
**
**
••
•
•
Inverse of Output
Combinations
Above
Display
as above
X = Don’t care.
• = Above combinations
* = For liquid-crystal readouts, apply a square wave to Ph.
For common cathode LED readouts, select Ph = 0.
For common anode LED readouts, select Ph = 1.
** = Depends upon the BCD code previously applied when LD = 1.
HCC/HCF4543B
3/12



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