Datasheet

2
Functional Diagram
FUNCTION TABLE
INPUTS OUTPUTS
DISPLAYLDBIPHD3D2D1D0abcdefg
XHLXXXXLLLLLLL Blank
HLLLLLLHHHHHHL 0
HLLLLLHLHHLLLL 1
HLLLLHLHHLHHLH 2
HLLLLHHHHHHL LH 3
HLLLHLLLHHLLHH 4
HLLLHLHHLHHLHH 5
HL L LHHLHLHHHHH 6
HL L LHHHHHHLLLL 7
HL LHL L LHHHHHHH 8
HL LHL LHHHHHLHH 9
HLLHLHLLLLLLLL Blank
HLLHLHHLLLLLLL Blank
HLLHHLLLLLLLLL Blank
HLLHHLHLLLLLLL Blank
HLLHHHLLLLLLLL Blank
HL LHHHHLLLLLLL Blank
LLLXXXX 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
LATCH
DECODER
DRIVER
BI
7
6
PH
DISPLAY
a
b
f
g
e
c
d
0123456789
CD74HC4543