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| 74AC158 Datasheet, PDF (5/9 Pages) STMicroelectronics – QUAD 2 CHANNEL MULTIPLEXER INV. | |||
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74AC158
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 â¦, Input tr = tf =3 ns)
Symbol
P ar ame te r
tPLH Propagation Delay Time
tPHL SELECT to Y
tPLH Propagation Delay Time
tPHL STROBE to Y
tPLH Propagation Delay Time
tPHL A, B to Y
(*) Voltage range is 3.3V ± 0.3V
(**) Voltage range is 5V ± 0.5V
Test Condition
V CC
(V)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
Value
TA = 25 oC
-40 to 85 oC
Min. Typ. Max. Min. Max.
1.5 7.0 11.5 1.5 12.5
1.5 5.0 9.0 1.5 10.0
1.5 7.0 11.0 1.5 12.0
1.5 5.5 8.5 1.5 9.5
1.5 5.0 8.0 1.5 8.5
1.5 4.0 7.0 1.5 7.5
Unit
ns
ns
ns
CAPACITIVE CHARACTERISTICS
Symbol
P ar ame te r
Test Conditions
V CC
(V)
Value
TA = 25 oC
-40 to 85 oC
Min. Typ. Max. Min. Max.
Unit
CIN Input Capacitance
5.0
4
pF
CPD Power Dissipation
5.0
Capacitance (note 1)
TBD
pF
1) CPD is defined as the value of the ICâs internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to
Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD ⢠VCC ⢠fIN + ICC/n (per circuit)
TEST CIRCUIT
5/9
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