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M74HC4538 Folha de dados(PDF) 8 Page - STMicroelectronics

Nome de Peças M74HC4538
Descrição Electrónicos  Dual retriggerable monostable multivibrator
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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M74HC4538 Folha de dados(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
M74HC4538
8/18
Table 7.
AC electrical characteristics
(CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to
125°C
Min
Typ
Max
Min
Max
Min
Max
tTLH tTHL
Output transition
time
2.0
30
75
95
110
ns
4.5
8
15
19
22
6.0
7
13
16
19
tPLH tPHL
Propagation
delay time
(A, B - Q, Q)
2.0
120
250
315
375
ns
4.5
30
506375
6.0
25
435464
tPLH tPHL
Propagation
delay time
(CD - Q, Q)
2.0
100
195
245
295
ns
4.5
25
394959
6.0
20
334250
tWOUT
Output pulse
width
2.0
Cx=0
Rx = 5 K
Ω
540
1200
1500
1800
ns
4.5
Rx = 1 K
Ω
180
250
320
375
6.0
Rx = 1 K
Ω
150
200
260
320
2.0
Cx = 0.01
μF
Rx = 10 K
Ω
70
83
96
70
96
70
96
μs
4.5
69
778569856985
6.0
69
778569856985
2.0
Cx = 0.1
μF
Rx = 10 K
Ω
0.67
0.75
0.83
0.67
0.83
0.67
0.9
ms
4.5
0.670.730.770.67
0.770.67
0.8
6.0
0.670.730.770.67
0.770.67
0.8
ΔtWOUT
Output pulse
width error
between circuits
in same package
±1
%
tW(H) tW(L)
Minimum pulse
width
(A,B)
2.0
30
75
95
110
ns
4.5
8
15
19
22
6.0
7
13
16
19
tW(L)
Minimum pulse
width
(CD)
2.0
30
75
95
110
ns
4.5
8
15
19
22
6.0
7
13
16
19
tREM
Minimum clear
removal time
2.0
0
15
15
20
ns
4.5
0
5
5
7
6.0
0
5
5


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