MC74AC138 Datasheet, PDF (6/7 Pages) ON Semiconductor – 1−of−8 Decoder/Demultiplexer

MC74AC138 MC74ACT138
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74ACT
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
Unit
CL = 50 pF
Fig.
No.
Min Typ Max Min Max
tPLH
Propagation Delay
An to On
tPHL
Propagation Delay
An to On
tPLH
Propagation Delay
E1 or E2 to On
tPHL
Propagation Delay
E1 or E2 to On
tPLH
Propagation Delay
E3 _to On
tPHL
Propagation Delay
E3 to On
Voltage Range 5.0 V is 5.0 V ± 0.5 V
5.0 1.5
7.0 10.5 1.5 11.5
ns
3-6
5.0 1.5 6.5 10.5 1.5 11.5
ns
3-6
5.0 2.5 8.0 11.5 2.0 12.5
ns
3-6
5.0 2.0 7.5 11.5 2.0 12.5
ns
3-6
5.0 2.5 8.0 12.0 2.0 13.0
ns
3-6
5.0 2.0 6.5 10.5 1.5 11.5
ns
3-6
CAPACITANCE
Symbol
Parameter
CIN
CPD
Input Capacitance
Power Dissipation Capacitance
Value
Typ
Unit
4.5
pF
60
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
FACT DATA
5-6