TC74VHCT138AF Просмотр технического описания (PDF) - Toshiba
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TC74VHCT138AF Datasheet PDF : 10 Pages
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TC74VHCT138AF/AFN/AFT/AFK
AC Characteristics (input: tr = tf = 3 ns)
Characteristics
Symbol
Test Condition
Ta = 25°C
Ta = −40 to
85°C
Unit
VCC (V) CL (pF) Min Typ. Max Min Max
Propagation delay
time
tpLH
(A, B, C- Y )
tpHL
15
⎯
7.6 10.4 1.0 12.0
⎯
5.0 ± 0.5
ns
50
⎯
8.1 11.4 1.0 13.0
Propagation delay
time
tpLH
(G1- Y )
tpHL
15
⎯
6.6
9.1
1.0 10.5
⎯
5.0 ± 0.5
ns
50
⎯
7.1 10.1 1.0 11.5
Propagation delay
time
tpLH
( G2 - Y )
tpHL
15
⎯
7.0
9.6
1.0 11.0
⎯
5.0 ± 0.5
ns
50
⎯
7.5 10.6 1.0 12.0
Input capacitance
CIN
Power dissipation
capacitance
CPD
⎯
⎯
4
10
⎯
10
pF
(Note) ⎯
49
⎯
⎯
⎯
pF
Note:
CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
ICC (opr) = CPD·VCC·fIN + ICC
5
2007-10-01
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