IN74HC620 查看數據表（PDF） - Integral Corp.
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IN74HC620 Datasheet PDF : 5 Pages
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IN74HC620
AC ELECTRICAL CHARACTERISTICS(CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
tPLH, tPHL Maximum Propagation Delay, A to B , B to A
(Figures 1 and 3)
tPLZ, tPHZ Maximum Propagation Delay , Direction or
Output Enable to A or B (Figures 2 and 4)
tPZL, tPZH Maximum Propagation Delay , Direction or
Output Enable to A or B (Figures 2 and 4)
tTLH, tTHL Maximum Output Transition Time, Any Output
(Figures 1 and 3)
CIN
COUT
Maximum Input Capacitance (Pin 1 or Pin 19)
Maximum Three-State I/O Capacitance
(I/O in High-Impedance State)
VCC
Guaranteed Limit
V 25 °C ≤85°C ≤125°C Unit
to
-55°C
2.0 100
125
150
ns
4.5 20
35
30
6.0 17
21
26
2.0 150
190
225
ns
4.5 30
38
45
6.0 26
33
38
2.0 150
190
225
ns
4.5 30
38
45
6.0 26
33
38
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
40
pF
Figure 1. Switching Waveforms
444
Figure 2. Switching Waveforms
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