IN74HC240A Просмотр технического описания (PDF) - IK Semicon Co., Ltd
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IN74HC240A Datasheet PDF : 6 Pages
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IN74HC240A
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
tPLH, tPHL Maximum Propagation Delay, A to YA or B to
YB (Figures 1 and 3)
tPLZ, tPHZ Maximum Propagation Delay, Output Enable to
YA or YB (Figures 2 and 4)
tPZH, tPZL Maximum Propagation Delay, Output Enable to
YA or YB (Figures 2 and 4)
tTLH, tTHL Maximum Output Transition Time, Any Output
(Figures 1 and 3)
CIN
COUT
Maximum Input Capacitance
Maximum Three-State Output Capacitance
(Output in High-Impedance State)
VCC
Guaranteed Limit
V 25 °C ≤85°C ≤125°C Unit
to
-55°C
2.0 80
4.5 16
6.0 14
100
120
ns
20
24
17
20
2.0 110
140
165
ns
4.5 22
28
33
6.0 19
24
28
2.0 110
140
165
ns
4.5 22
28
33
6.0 19
24
28
2.0 60
75
90
ns
4.5 12
15
18
6.0 10
13
15
-
10
10
10
pF
-
15
15
15
pF
Power Dissipation Capacitance (Per Transceiver
Channel)
Typical @25°C,VCC=5.0 V
CPD Used to determine the no-load dynamic power
consumption:
PD=CPDVCC2f+ICCVCC
32
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
Rev. 00
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