74VHC4040(2007) 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74VHC4040 Datasheet PDF : 9 Pages
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AC Electrical Characteristics
Symbol
tPLH, tPHL
Parameter
Propagation Delay Time
to Q1
tPLH, tPHL
Propagation Delay Time
between Stages from
Qn to Qn+1
tPHL Propagation Delay Time
MR–Qn
fMAX
Maximum Clock
Frequency
CIN
Input Capacitance
CPD Power Dissipation
Capacitance
VCC (V)
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
Conditions
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
VCC = Open
(2)
TA = +25°C
Min. Typ. Max.
7.5 11.9
10.0 15.4
4.8 7.3
6.3 9.3
2.4 4.4
1.6 3.1
8.3 12.8
10.8 16.3
5.6 8.6
7.1 10.6
90 140
55 80
150 210
95 125
4
10
21
TA = –40°C
to +85°C
Min. Max. Units
1.0 14.0 ns
1.0 17.5
1.0 8.5 ns
1.0 10.5
ns
1.0 5.0
ns
1.0 3.5
1.0 15.0 ns
1.0 18.5
1.0 10.0 ns
1.0 12.0
75
MHz
50
125
MHz
80
10 pF
pF
Note:
2. 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 • fN + ICC
AC Operating Requirements
Symbol
Parameter
tw(L), tw(H) Minimum Pulse Width (CP)
tw(L)
Minimum Pulse Width (MR)
tREC
Minimum Removal Time (MR)
VCC (V)
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
TA = 25°C
TA = –40°C
to +85°C
Typ. Guaranteed Minimum
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Units
ns
ns
ns
©1993 Fairchild Semiconductor Corporation
74VHC4040 Rev. 1.3
6
www.fairchildsemi.com
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