TC74AC20P/F
AC Characteristics (CL = 50 pF, RL = 500 Ω, input: tr = tf = 3 ns)
Characteristics
Propagation delay
time
Input capacitance
Power dissipation
capacitance
Symbol
tpLH
tpHL
CIN
CPD
(Note)
Test Condition
⎯
⎯
⎯
VCC (V)
3.3 ± 0.3
5.0 ± 0.5
Ta = 25°C
Ta = −40~85°C
Unit
Min Typ. Max Min Max
⎯
6.0 10.0 1.0 11.4
ns
⎯
4.8 7.0 1.0
8.0
⎯
5
10
⎯
10
pF
⎯
66
⎯
⎯
⎯
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/2 (per gate)
4
2012-02-29