74VHC374(2007) View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
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74VHC374 Datasheet PDF : 9 Pages
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AC Electrical Characteristics
Symbol Parameter VCC (V)
Conditions
tPLH, tPHL Propagation Delay 3.3 ± 0.3
Time (CP to On)
CL = 15pF
CL = 50pF
5.0 ± 0.5
CL = 15pF
CL = 50pF
tPZL, tPZH 3-STATE Output
Enable Time
3.3 ± 0.3 RL = 1kΩ
CL = 15pF
CL = 50pF
5.0 ± 0.5
CL = 15pF
CL = 50pF
tPLZ, tPHZ 3-STATE Output
Disable Time
tOSLH, Output to Output
tOSHL Skew
3.3 ± 0.3 RL = 1kΩ
5.0 ± 0.5
3.3 ± 0.3 (3)
5.0 ± 0.5
CL = 50pF
CL = 50pF
CL = 50pF
CL = 50pF
fMAX Maximum Clock
Frequency
3.3 ± 0.3
CL = 15pF
CL = 50pF
5.0 ± 0.5
CL = 15pF
CL = 50pF
CIN Input Capacitance
VCC = Open
COUT
CPD
Output Capacitance
Power Dissipation
Capacitance
VCC = 5.0V
(4)
TA = 25°C
Min. Typ. Max.
8.1 12.7
10.6 16.2
5.4 8.1
6.9 10.1
7.1 11.0
9.6 14.5
5.1 7.6
6.6 9.6
10.2 14.0
6.1 8.8
1.5
1.0
80 130
55 85
130 185
85 120
4
10
6
32
TA = –40°C
to +85°C
Min. Max. Units
1.0 15.0 ns
1.0 18.5
1.0 9.5 ns
1.0 11.5
1.0 13.0 ns
1.0 16.5
1.0 9.0 ns
1.0 11.0
1.0 16.0 ns
1.0 10.0
1.5 ns
1.0
70
MHz
50
110
75
10 pF
pF
pF
Notes:
3. Parameter guaranteed by design. tOSLH = |tPLH max – tPLH min|; tOSHL = |tPHL max – tPHL min|
4. 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 / 8 (per F/F). The total CPD when n pcs. of the Octal D Flip-Flop operates
can be calculated by the equation: CPD (total) = 20 + 12n.
AC Operating Requirements
Symbol
tW(H), tW(L)
Parameter
Minimum Pulse Width
(CP)
tS
Minimum Set-Up Time
tH
Minimum Hold Time
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
Min. Typ. Max. Min.
Max.
5.0
5.5
5.0
5.0
4.5
4.5
3.0
3.0
2.0
2.0
2.0
2.0
Units
ns
ns
ns
©1992 Fairchild Semiconductor Corporation
74VHC374 Rev. 1.3
5
www.fairchildsemi.com
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