HCF4063B_01 Datasheet, PDF (2/9 Pages) STMicroelectronics – 4-BIT MAGNITUDE COMPARATOR

HCF4063B
IINPUT EQUIVALENT CIRCUIT
FUNCTIONAL DIAGRAM
PIN DESCRIPTION
PIN No
10, 12, 13,
15
9, 11, 14, 1
5, 6 ,7
4, 3, 2
8
16
SYMBOL NAME AND FUNCTION
A0 to A3 Word A Inputs
B0 to B3
A>B, A=B,
A<B
A>B, A=B,
A<B
V_SS
V_DD
Word B Inputs
Outputs
Cascading Inputs
Negative Supply Voltage
Positive Supply Voltage
TRUTH TABLE
A3, B3
A3 > B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 < B3
X : Don’t Care
INPUTS
COMPARING
A2, B2
X
A2 > B2
A2 = B2
A2 = B2
A2 = B2
A2 = B2
A2 = B2
A2 = B2
A2 = B2
A2 < B2
X
A1, B1
X
X
A1 > B1
A1 = B1
A1 = B1
A1 = B1
A1 = B1
A1 = B1
A1 < B1
X
X
A0, B0
X
X
X
A0 > B0
A0 = B0
A0 = B0
A0 = B0
A0 < B0
X
X
X
CASCADING
A<B
X
X
X
X
L
L
H
X
X
X
X
A=B
X
X
X
X
L
H
L
X
X
X
X
A>B
X
X
X
X
H
L
L
X
X
X
X
OUTPUTS
A<B
L
L
L
L
L
L
H
H
H
H
H
A=B
L
L
L
L
L
H
L
L
L
L
L
A>B
H
H
H
H
H
L
L
L
L
L
L
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