74ACT158 Fairchild Semiconductor, 74ACT158 Datasheet - Page 4

• Manufacturer Part Number: 74ACT158
• Description: Quad 2-Input Multiplexer
• Manufacturer: Fairchild Semiconductor

74ACT158
4/8
AC ELECTRICAL CHARACTERISTICS (C
(*) Voltage range is 5V 0.5V
CAPACITIVE CHARACTERISTICS
1) C
Test Circuit). Average operating current can be obtained by the following equation. I
TEST CIRCUIT
Symbol
Symbol
C
PD
t
t
t
t
t
t
C
PLH
PHL
PLH
PHL
PLH
PHL
PD
IN
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to
Propagation Delay Time
SELECT to Y
Propagation Delay Time
STROBE to Y
Propagation Delay Time
A, B to Y
Input Capacitance
Power Dissipation
Capacitance (note 1)
Parameter
Parameter
V
5.0
5.0
5.0
V
(V)
(V)
5.0
5.0
CC
CC
(*)
(*)
(*)
Test Con dition s
T est Cond ition
L
= 50 pF, R
L
CC
= 500 , Input t
(opr) = C
Min.
Min.
PD
1.5
1.5
1.5
V
T
T
CC
A
A
Typ.
Typ.
= 25
= 25
TBD
f
5.5
5.5
4.0
IN
4
r
+ I
= t
CC
o
o
/n (per circuit)
f
C
C
Value
Value
Max.
Max.
=3 ns)
9.0
9.5
7.5
-40 to 85
-40 to 85
Min .
Min .
1.0
1.0
1.0
Max.
Max.
10.0
10.5
8.5
o
o
C
C
Unit
Unit
ns
ns
ns
pF
pF