IN74HC253AD Просмотр технического описания (PDF) - IK Semicon Co., Ltd
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IN74HC253AD Datasheet PDF : 6 Pages
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IN74HC253A
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
tPLH, tPHL Maximum Propagation Delay, Data to
Output Y (Figures 1 and 3)
tPLH, tPHL Maximum Propagation Delay , Address to
Output Y (Figures 1 and 3)
tPLZ, tPHZ Maximum Propagation Delay ,Output Enable to
Output Y (Figures 2 and 4)
tPZL, tPZH Maximum Propagation Delay ,Output Enable to
Output Y (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
2.0 140
175
210
ns
4.5 28
35
42
6.0 24
30
36
2.0 175
220
265
ns
4.5 35
44
53
6.0 30
37
45
2.0 150
190
225
ns
4.5 30
38
45
6.0 26
33
38
2.0 100
125
150
ns
4.5 20
25
30
6.0 17
21
26
2.0 75
4.5 15
6.0 13
95
110
ns
19
22
16
19
-
10
10
10
pF
-
15
15
15
pF
Power Dissipation Capacitance (Per Muliplexer)
Typical @25°C,VCC=5.0 V
CPD Used to determine the no-load dynamic power
consumption:
PD=CPDVCC2f+ICCVCC
31
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
Rev. 00
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