M54HC4543 ST Microelectronics, M54HC4543 Datasheet - Page 2

• Manufacturer Part Number: M54HC4543
• Description: BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER
• Manufacturer: ST Microelectronics

M54/M74HC4543
TRUTH TABLE
X: Don’t Care
# # # : DEPENDS UPON THE BCD CODE PREVIOUSLY APPLIED WHEN LD = ’H’
LOGIC DIAGRAM
2/12
: SAME AS ABOVE COMBINATIONS
LD
X
H
H
H
H
H
H
H
H
H
H
H
H
L
BI
H
L
L
L
L
L
L
L
L
L
L
L
L
L
PH
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
INPUTS
D
X
H
H
H
H
X
L
L
L
L
L
L
L
L
C
X
H
H
H
H
H
X
L
L
L
L
L
L
L
B
X
H
H
H
H
H
X
X
L
L
L
L
L
L
A
H
H
H
H
H
X
L
L
L
L
L
X
X
X
H
H
H
H
H
H
H
H
a
L
L
L
L
L
INVERSE OF ABOVE OUTPUT LEVEL
H
H
H
H
H
H
H
H
b
L
L
L
L
L
H
H
H
H
H
H
H
H
H
c
L
L
L
L
OUTPUTD
# # #
H
H
H
H
H
H
H
d
L
L
L
L
L
L
H
H
H
H
e
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
L
L
L
L
L
L
L
f
H
H
H
H
H
H
H
g
L
L
L
L
L
L
DISPLAY AS ABOVE
DISPLAY MODE
BLANK
BLANK
BLANK
# # #
0
1
2
3
4
5
6
7
8
9