TC74ACT273P データシートの表示（PDF） - Toshiba
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TC74ACT273P Datasheet PDF : 10 Pages
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TC74ACT273P/F/FW
AC Characteristics (CL = 50 pF, RL = 500 Ω, input: tr = tf = 3 ns)
Characteristics
Propagation delay
time
(CK-Q)
Propagation delay
time
( CLR -Q)
Maximum clock
frequency
Input capacitance
Power dissipation
capacitance
Symbol
tpLH
tpHL
tpHL
fmax
CIN
CPD
(Note)
Test Condition
VCC (V)
Ta = 25°C
Min Typ. Max
⎯
5.0 ± 0.5 ⎯
6.6 10.5
⎯
⎯
⎯
⎯
5.0 ± 0.5 ⎯
7.4 10.8
5.0 ± 0.5 80 150 ⎯
⎯
5
10
⎯
34
⎯
Ta = −40 to
85°C
Unit
Min Max
1.0 12.0 ns
1.0 12.3 ns
80
⎯ MHz
⎯
10
pF
⎯
⎯
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/8 (per F/F)
And the total CPD when n pcs. of Flip Flop operate can be gained by the following equation.
CPD (total) = 23 + 11･n
5
2006-06-01
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