hcf4048b STMicroelectronics, hcf4048b Datasheet - Page 3

• Manufacturer Part Number: hcf4048b
• Description: Multifunction Emultifunction Expandable 8-input Gate
• Manufacturer: STMicroelectronics

BASIC LOGIC CONFIGURATIONS
LOGIC DIAGRAM
FUNCTION TRUTH TABLE
EXPAND Input = 0
NOR
OR
OR/AND
OR/NAND
AND
NAND
AND/NOR
AND/OR
K
K
Output Function
d
d
= 1
= 0
Normal Inverter Action
High Impedance Output
J = A + B + C + D + E + F + G + H
J = A + B + C + D + E + F + G + H
J = (A + B + C + D)
J = (A + B + C + D) (E + F + G + H)
J = ABCDEFGH
J = ABCDEFGH
J = ABCD + EFGH
J = ABCD + EFGH
Boolean Expression
(E + F + G + H)
K
0
0
0
0
1
1
1
1
a
K
0
0
1
1
0
0
1
1
b
K
0
1
0
1
0
1
0
1
c
HCC/HCF4048B
Unused Input
V
V
V
V
V
V
V
V
S S
S S
S S
S S
DD
DD
DD
DD
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