TC74ACT541P(2007) 查看數據表（PDF） - Toshiba
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TC74ACT541P Datasheet PDF : 9 Pages
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TC74ACT540,541P/F/FT
AC Characteristics (CL = 50 pF, RL = 500 Ω, input: tr = tf = 3 ns)
Characteristics
Symbol
Test Condition
Ta = 25°C
Ta =
−40 to 85°C Unit
VCC (V) Min Typ. Max Min Max
Propagation delay
tpLH
time
(Note 2)
tpHL
⎯
5.0 ± 0.5 ⎯
5.0
8.3
1.0
9.5
ns
Propagation delay
tpLH
time
(Note 3)
tpHL
⎯
5.0 ± 0.5 ⎯
5.0
8.3
1.0
9.5
ns
Output enable time
tpZL
tpZH
⎯
5.0 ± 0.5 ⎯
7.3 11.4 1.0 13.0 ns
Output disable time
tpLZ
tpHZ
⎯
5.0 ± 0.5 ⎯
5.9
9.2
1.0 10.5 ns
Input capacitance
CIN
⎯
⎯
5
10
⎯
10
pF
Output capacitance
COUT
⎯
⎯
10
⎯
⎯
⎯
pF
Power dissipation
capacitance
CPD
TC74ACT540
(Note 1) TC74ACT541
⎯
24
⎯
⎯
⎯
pF
⎯
27
⎯
⎯
⎯
Note 1: 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 bit)
Note 2: For TC74ACT540 only
Note 3: For TC74ACT541 only
5
2007-10-01
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