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74VHC123ASJX 数据表(PDF) 8 Page - Fairchild Semiconductor

部件名 74VHC123ASJX
功能描述  Dual Retriggerable Monostable Multivibrator
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

74VHC123ASJX 数据表(HTML) 8 Page - Fairchild Semiconductor

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©1993 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHC123A Rev. 1.2
8
AC Electrical Characteristics(4)
Notes:
4. Refer to Timing Chart.
5. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current
consumption without load. Average operating current can be obtained by the equation:
ICC (opr.) = CPD • VCC • fIN+ ICC
1 • Duty / 100 + I
CC / 2 (per Circuit)
ICC
1: Active Supply Current
Duty: %
Symbol
Parameter
VCC (V)
Conditions
TA = 25°C
TA = –40°C
to +85°C
Units
Min.
Typ.
Max.
Min.
Max.
tPLH, tPHL Propagation Delay Time
(A, B–Q, Q)
3.3 ± 0.3
CL = 15 pF
13.4
20.6
1.0
24.0
ns
CL = 50 pF
15.9
24.1
1.0
27.5
5.0 ± 0.5
CL = 15 pF
8.1
12.0
1.0
14.0
ns
CL = 50 pF
9.6
14.0
1.0
16.0
tPLH, tPHL Propagation Delay Time
(CLR Trigger—Q, Q)
3.3 ± 0.3
CL = 15 pF
14.5
22.4
1.0
26.0
ns
CL = 50 pF
17.0
25.9
1.0
29.5
5.0 ± 0.5
CL = 15 pF
8.7
12.9
1.0
15.0
ns
CL = 50 pF
10.2
14.9
1.0
17.0
tPLH, tPHL Propagation Delay Time
(CLR—Q, Q)
3.3 ± 0.3
CL = 15 pF
10.3
15.8
1.0
18.5
ns
CL = 50 pF
12.8
19.3
1.0
22.0
5.0 ± 0.5
CL = 15 pF
6.3
9.4
1.0
11.0
ns
CL = 50 pF
7.8
11.4
1.0
13.0
tWOUT
Output Pulse Width
3.3 ± 0.3
CL = 50pF, Cx = 28pF,
Rx = 2kΩ
160
240
300
ns
5.0 ± 0.5
133
200
240
3.3 ± 0.3
CL = 50pF, Cx = 0.01µF,
Rx = 10kΩ
90
100
110
90
110
µs
5.0 ± 0.5
90
100
110
90
110
3.3 ± 0.3
CL = 50pF, Cx = 0.1µF,
Rx = 1kΩ
0.9
1.0
1.1
0.9
1.1
ms
5.0 ± 0.5
0.9
1.0
1.1
0.9
1.1
∆t
WOUT
Output Pulse Width Error
Between Circuits
(In same Package)
±1
%
CIN
Input Capacitance
VCC = Open
4
10
10
pF
CPD
Power Dissipation
Capacitance
(5)
73
pF


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