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MC74HC4538A Datasheet(PDF) 5 Page - ON Semiconductor

Part No. MC74HC4538A
Description  Dual Precision Monostable Multivibrator (Retriggerable,Resettable)
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC74HC4538A Datasheet(HTML) 5 Page - ON Semiconductor

 
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MC74HC4538A
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AC CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6.0 ns)
Symbol
Parameter
VCC
V
Guaranteed Limits
Unit
–55 to 25
_C
v 85_C
v 125_C
Min
Max
Min
Max
Min
Max
tPLH
Maximum Propagation Delay
Input A or B to Q
(Figures 6 and 8)
2.0
4.5
6.0
175
35
30
220
44
37
265
53
45
ns
tPHL
Maximum Propagation Delay
Input A or B to NQ
(Figures 6 and 8)
2.0
4.5
6.0
195
39
33
245
49
42
295
59
50
ns
tPHL
Maximum Propagation Delay
Reset to Q
(Figures 7 and 8)
2.0
4.5
6.0
175
35
30
220
44
37
265
53
45
ns
tPLH
Maximum Propagation Delay
Reset to NQ
(Figures 7 and 8)
2.0
4.5
6.0
175
35
30
220
44
37
265
53
45
ns
tTLH,
tTHL
Maximum Output Transition Time, Any Output
(Figures 7 and 8)
2.0
4.5
6.0
75
15
13
95
19
16
110
22
19
ns
Cin
Maximum Input Capacitance
(A. B, Reset)
(Cx, Rx)
10
25
10
25
10
25
pF
9. For propagation delays with loads other than 50 pF, and information on typical parametric values, see the ON Semiconductor High−Speed
CMOS Data Book (DL129/D).
CPD
Power Dissipation Capacitance (per Multivibrator)*
Typical @ 25
°C, VCC = 5.0 V
pF
150
*Used to determine the no−load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see the ON Semiconductor
High−Speed CMOS Data Book (DL129/D).
TIMING CHARACTERISTICS (Input tr = tf = 6.0 ns)
Symbol
Parameter
VCC
V
Guaranteed Limits
Unit
–55 to 25
_C
v 85_C
v 125_C
Min
Max
Min
Max
Min
Max
trec
Minimum Recovery Time, Inactive to A or B
(Figure 7)
2.0
4.5
6.0
0
0
0
0
0
0
0
0
0
ns
tw
Minimum Pulse Width, Input A or B
(Figure 6)
2.0
4.5
6.0
60
12
10
75
15
13
90
18
15
ns
tw
Minimum Pulse Width, Reset
(Figure 7)
2.0
4.5
6.0
60
12
10
75
15
13
90
18
15
ns
tr, tf
Maximum Input Rise and Fall Times, Reset
(Figure 7)
2.0
4.5
6.0
1000
500
400
1000
500
400
1000
500
400
ns
A or B
(Figure 7)
2.0
4.5
6.0
No Limit


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