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Part Name
Description
74HCT42N View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
74HCT42N
BCD to decimal decoder (1-of-10)
Philips Electronics
74HCT42N Datasheet PDF : 6 Pages
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Philips Semiconductors
BCD to decimal decoder (1-of-10)
Product specification
74HC/HCT42
Fig.4 Functional diagram.
FUNCTION TABLE
INPUTS
OUTPUTS
A
3
A
2
A
1
A
0
Y
0
Y
1
Y
2
Y
3
Y
4
Y
5
Y
6
Y
7
Y
8
Y
9
L L L L L HHHHHHHHH
L L L HHL HHHHHHHH
L L HL HHL HHHHHHH
L L HHHHHL HHHHHH
L HL L HHHHL HHHHH
L HL HHHHHHL HHHH
L HHL HHHHHHL HHH
L HHHHHHHHHHL HH
HL L L HHHHHHHHL H
HL L HHHHHHHHHHL
HL HL HHHHHHHHHH
HL HHHHHHHHHHHH
HHL L HHHHHHHHHH
HHL HHHHHHHHHHH
HHHL HHHHHHHHHH
HHHHHHHHHHHHHH
Note
1. H = HIGH voltage level
L = LOW voltage level
December 1990
Fig.5 Logic diagram.
4
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