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M54HC123 Datasheet(PDF) 7 Page - STMicroelectronics

Part # M54HC123
Description  RAD-HARD DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
PDF  11 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC123 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
15
19
22
6.0
7
13
16
19
tPLH tPHL Propagation Delay Time
(A, B - Q, Q)
2.0
102
210
265
315
ns
4.5
29
425363
6.0
22
364554
tPLH tPHL Propagation Delay Time
(CLR TRIGGER - Q, Q)
2.0
102
235
295
355
ns
4.5
31
475971
6.0
23
405060
tPLH tPHL Propagation Delay Time
(CLR - Q, Q)
2.0
68
160
200
240
ns
4.5
20
324048
6.0
16
273441
tWOUT
Output Pulse Width
2.0
Cx = 100 pF
Rx = 10K
Ω
1.4
µs
4.5
1.2
6.0
1.1
2.0
Cx = 0.1
µF
Rx = 100K
Ω
4.6
ms
4.5
4.4
6.0
4.3
∆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
151922
6.0
131619
tW(L)
Minimum Pulse Width
(CLR)
2.0
75
95
110
ns
4.5
151922
6.0
131619
trr
Minimum Retrigger Time
2.0
Cx = 100 pF
Rx = 10K
Ω
325
ns
4.5
108
6.0
78
2.0
Cx = 0.1
µF
Rx = 100K
Ω
5
µs
4.5
1.4
6.0
1.2
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
10
10
10
pF
CPD
Power Dissipation
Capacitance
(note 1)
5.0
162
pF



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