IN74HC123A 查看數據表（PDF） - IK Semicon Co., Ltd
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IN74HC123A Datasheet PDF : 7 Pages
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IN74HC123A
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=6.0 ns)
VCC
Guaranteed Limit
Symbol
Parameter
V 25 °C ≤85 ≤125 Unit
to
°C
°C
-55°C
tPLH, tPHL Maximum Propagation Delay, Input A or B to Q 2.0 255
320
385
ns
or Q (Figures 1 and 3)
4.5 50
65
75
6.0 45
55
65
tPLH, tPHL Maximum Propagation Delay , CLR to Q or Q
2.0 215
270
325
ns
(Figures 2 and 3)
4.5 45
55
65
6.0 35
45
55
tTLH, tTHL Maximum Output Transition Time, Any
Output(Figures 2 and 3)
2.0 75
4.5 16
6.0 14
95
110
ns
20
22
17
20
CIN
Maximum Input Capacitance
A, B, CLR
-
10
10
10
pF
CX, RX
25
25
25
Power Dissipation Capacitance
(Per Multivibrator)
CPD Used to determine the no-load dynamic power
consumption:
PD=CPDVCC2f+ICCVCC
Typical @25°C,VCC=5.0 V
150
pF
TIMING REQUIREMENTS (CL=50pF,Input tr=tf=6.0 ns)
VCC
Symbol
Parameter
V
trec
Minimum Recovery Time, 2.0
Inactive to A or B
4.5
(Figure 2)
6.0
tw
Minimum Pulse Width,
2.0
Input A or B (Figure 1)
4.5
6.0
tw
Minimum Pulse Width,
2.0
CLR (Figure 2)
4.5
6.0
tr, tr Maximum Input Rise and 2.0
Fall Times, CLR
4.5
(Figure 2)
6.0
A or B (Figure 2)
2.0
4.5
6.0
Guaranteed Limit
25 °C to
-55°C
≤85°C
≤125°C
Unit
0
0
0
ns
0
0
0
0
0
0
100
125
150
ns
20
25
30
17
20
25
100
125
150
ns
20
25
30
17
20
25
1000
500
400
1000
500
400
1000
ns
500
400
No Limit
Rev. 00
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