INTEGRATED CIRCUITS
DATA SH EET
For a complete data sheet, please also download:
•The IC04 LOCMOS HE4000B Logic
Family Specifications HEF, HEC
•The IC04 LOCMOS HE4000B Logic
Package Outlines/Information HEF, HEC
HEF4077B
gates
Quadruple exclusive-NOR gate
Product specification
File under Integrated Circuits, IC04
January 1995
Philips Semiconductors Product specification
Quadruple exclusive-NOR gate
DESCRIPTION
The HEF4077B provides the exclusive-NOR function. The
outputs are fully buffered for best performance.
HEF4077B
gates
Fig.2 Pinning diagram.
Fig.1 Functional diagram.
Fig.3 Logic diagram (one gate).
HEF4077BP(N): 14-lead DIL; plastic
(SOT27-1)
HEF4077BD(F): 14-lead DIL; ceramic (cerdip)
(SOT73)
HEF4077BT(D): 14-lead SO; plastic
(SOT108-1)
( ): Package Designator North America
TRUTH TABLE
A
n
LLH
LHL
HLL
HHH
Note
1. H = HIGH state (the more positive voltage)
L = LOW state (the less positive voltage)
FAMILY DATA, I
See Family Specifications
B
n
O
n
LIMITS category GATES
DD
January 1995 2
Philips Semiconductors Product specification
Quadruple exclusive-NOR gate
AC CHARACTERISTICS
V
= 0 V; T
SS
Propagation delays
An,Bn→O
HIGH to LOW 10 t
LOW to HIGH 10 t
Output transition
times 5 60 120 ns 10 ns + (1,0 ns/pF) C
HIGH to LOW 10 t
LOW to HIGH 10 t
=25°C; CL= 50 pF; input transition times ≤ 20 ns
amb
V
DD
V
n
SYMBOL TYP. MAX.
5 75 150 ns 48 ns + (0,55 ns/pF) C
PHL
35 70 ns 24 ns + (0,23 ns/pF) C
15 30 55 ns 22 ns + (0,16 ns/pF) C
5 70 145 ns 43 ns + (0,55 ns/pF) C
PLH
30 60 ns 19 ns + (0,23 ns/pF) C
15 25 50 ns 17 ns + (0,16 ns/pF) C
THL
30 60 ns 9 ns + (0,42 ns/pF) C
15 20 40 ns 6 ns + (0,28 ns/pF) C
5 60 120 ns 10 ns + (1,0 ns/pF) C
TLH
30 60 ns 9 ns + (0,42 ns/pF) C
15 20 40 ns 6 ns + (0,28 ns/pF) C
TYPICAL EXTRAPOLATION
FORMULA
HEF4077B
gates
L
L
L
L
L
L
L
L
L
L
L
L
V
DD
V
TYPICAL FORMULA FOR P(µW)
Dynamic power 5 850 f
dissipation per 10 4 500 f
package (P) 15 14 700 f
+∑(foCL) × V
i
+∑(foCL) × V
i
+∑(foCL) × V
i
DD
DD
DD
2
2
2
where
fi= input freq. (MHz)
fo= output freq. (MHz)
= load capacitance (pF)
C
L
∑ (f
) = sum of outputs
oCL
= supply voltage (V)
V
DD
January 1995 3
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