CD4028BC Datasheet, PDF (2/6 Pages) Fairchild Semiconductor – BCD-to-Decimal Decoder

Truth Table
DCBA0 1 2 3 4 5 6 7 8 9
00001000000000
00010100000000
00100010000000
00110001000000
01000000100000
01010000010000
01100000001000
1 = HIGH Level 0 1 1 1 0 0 0 0 0 0 0 1 0 0
0 = LOW Level 1 0 0 0 0 0 0 0 0 0 0 0 1 0
10010000000001
10100000000010
10110000000001
11000000000010
11010000000001
11100000000010
11110000000001
Logic Diagram
BCD States
Extraordinary States
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