74HC14 查看數據表（PDF） - Toshiba
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74HC14 Datasheet PDF : 7 Pages
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TC74HC14AP/AF
AC Characteristics (CL = 50 pF, input: tr = tf = 6 ns)
Characteristics
Symbol
Output transition time
tTLH
tTHL
Test Condition
Ta = 25°C
Ta =
−40 to 85°C Unit
VCC (V) Min Typ. Max Min Max
2.0
⎯
30
75
⎯
95
⎯
4.5
⎯
8
15
⎯
19
ns
6.0
⎯
7
13
⎯
16
Propagation delay
tpLH
time
tpHL
2.0
⎯
42
125
⎯
155
⎯
4.5
⎯
14
25
⎯
31
ns
6.0
⎯
12
21
⎯
26
Input capacitance
CIN
⎯
Power dissipation
capacitance
CPD
(Note)
⎯
⎯
5
10
⎯
10
pF
⎯
28
⎯
⎯
⎯
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/6 (per gate)
4
2014-03-01
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