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M74HC221 Datasheet(PDF) 7 Page - STMicroelectronics

No. de pieza M74HC221
Descripción Electrónicos  DUAL MONOSTABLE MULTIVIBRATOR
PDF  14 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC221 Datasheet(HTML) 7 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
CAPACITIVE CHARACTERISTICS
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC’ Duty/100
+ Ic/2(per monostable) (Icc’ : Active Supply current) (Duty : %)
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
151922
6.0
7
131619
tPLH tPHL Propagation Delay
Time
(A, B - Q, Q)
2.0
102
210
265
315
ns
4.5
30
42
53
63
6.0
24
36
45
54
tPLH tPHL Propagation Delay
Time(CLR
TRIGGER - Q, Q)
2.0
102
235
295
355
ns
4.5
30
47
59
71
6.0
24
40
50
60
tPLH tPHL Propagation Delay
Time
(CLR - Q, Q)
2.0
67
160
200
240
ns
4.5
20
32
40
48
6.0
16
27
34
41
tWOUT
Output Pulse Width
2.0
Cx = 100 pF
Rx = 10K
Ω
1.5
µs
4.5
1.3
6.0
1.2
2.0
Cx = 0.1
µF
Rx = 100K
Ω
7.0
ms
4.5
6.9
6.0
6.9
∆t
WOUT
Output Pulse Width
Error Between
Circuits in Same
Package
±1
%
tW(H)
tW(L)
Minimum Pulse
Width
2.0
75
95
110
ns
4.5
15
19
22
6.0
13
16
20
tW(L)
Minimum Pulse
Width
2.0
75
95
110
ns
4.5
15
19
22
6.0
13
16
20
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.
CIN
Input Capacitance
5.0
5
101010
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
174
pF



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