74HC42 Philips, 74HC42 Datasheet - Page 4
74HC42
Manufacturer Part Number
74HC42
Description
BCD to decimal decoder 1-of-10
Manufacturer
Philips
Datasheet
1.74HC42.pdf
(6 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
74HC42
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
Company:
Part Number:
74HC423A
Manufacturer:
TOS
Quantity:
2 000
Company:
Part Number:
74HC423N
Manufacturer:
PHILIPS
Quantity:
2 221
Company:
Part Number:
74HC42N
Manufacturer:
PHILIPS
Quantity:
2 221
Part Number:
74HC42N
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Philips Semiconductors
December 1990
BCD to decimal decoder (1-of-10)
Fig.4 Functional diagram.
FUNCTION TABLE
Note
1. H = HIGH voltage level
A
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
3
L = LOW voltage level
A
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
INPUTS
2
Fig.5 Logic diagram.
A
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
1
A
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
4
0
Y
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
0
Y
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
1
Y
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
2
Y
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
3
OUTPUTS
Y
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
4
Y
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
5
74HC/HCT42
Y
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
Product specification
6
Y
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
7
Y
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
8
Y
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
9