IN74HC138AD データシートの表示（PDF） - Integral Corp.
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IN74HC138AD Datasheet PDF : 5 Pages
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IN74HC138A
AC ELECTRICAL CHARACTERISTICS(CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
tPLH, tPHL Maximum Propagation Delay, Input A to
Output Y (Figures 1 and 4)
tPLH, tPHL Maximum Propagation Delay , CS1 to
Output Y (Figures 2 and 4)
tPLH, tPHL Maximum Propagation Delay , CS2 or CS3 to
Output Y (Figures 3 and 4)
tTLH, tTHL Maximum Output Transition Time, Any Output
(Figures 2 and 4)
CIN Maximum Input Capacitance
VCC
Guaranteed Limit
V 25 °C ≤85°C ≤125°C Unit
to
-55°C
2.0 135
170
205
ns
4.5 27
34
41
6.0 23
29
35
2.0 110
140
165
ns
4.5 22
28
33
6.0 19
24
28
2.0 120
150
180
ns
4.5 24
30
36
6.0 20
26
31
2.0 75
4.5 15
6.0 13
95
110
ns
19
22
16
19
-
10
10
10
pF
Power Dissipation Capacitance (Per Package)
CPD Used to determine the no-load dynamic power
consumption:
PD=CPDVCC2f+ICCVCC
Typical @25°C,VCC=5.0 V
55
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
144
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