M74HC123B1R(2001) View Datasheet(PDF) - STMicroelectronics
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Description
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M74HC123B1R Datasheet PDF : 12 Pages
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M74HC123
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
tTLH tTHL Output Transition 2.0
Time
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(A, B - Q, Q)
6.0
tPLH tPHL Propagation Delay 2.0
Time(CLR
4.5
TRIGGER - Q, Q) 6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(CLR - Q, Q)
6.0
tWOUT Output Pulse Width 2.0
4.5
6.0
2.0
4.5
6.0
∆tWOUT
Output Pulse Width
Error Between
Circuits in Same
Package
tW(H) Minimum Pulse
2.0
tW(L) Width
4.5
6.0
tW(L) Minimum Pulse
2.0
Width (CLR)
4.5
6.0
trr Minimum Retrigger 2.0
Time
4.5
6.0
2.0
4.5
6.0
Cx = 100 pF
Rx = 10KΩ
Cx = 0.1µF
Rx = 100KΩ
Cx = 100 pF
Rx = 10KΩ
Cx = 0.1µF
Rx = 100KΩ
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
30 75
95
110
8 15
19
22 ns
7 13
16
19
102 210
265
315
29 42
53
63 ns
22 36
45
54
102 235
295
355
31 47
59
71 ns
23 40
50
60
68 160
200
240
20 32
40
48 ns
16 27
34
41
1.4
1.2
µs
1.1
4.6
4.4
ms
4.3
±1
%
75
15
13
75
15
13
325
108
78
5
1.4
1.2
95
110
19
22 ns
16
19
95
110
19
22 ns
16
19
ns
µs
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance 5.0
5 10
10
10 pF
CPD Power Dissipation
Capacitance (note 5.0
162
pF
1)
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 : %)
7/12
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