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74ACT251SCX Datasheet(Hoja de datos) 5 Page - Fairchild Semiconductor

No. de Pieza. 74ACT251SCX
Descripción  8-Input Multiplexer with 3-STATE Output
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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AC Electrical Characteristics for ACT
Note 8: Voltage Range 5.0 is 5.0V
±0.5V
Capacitance
VCC
TA = +25°CTA = −40°C to +85°C
Symbol
Parameter
(V)
CL = 50 pF
CL = 50 pF
Units
(Note 8)
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
5.0
2.5
7.0
15.5
2.0
17.0
ns
Sn to Z or Z
tPHL
Propagation Delay
5.0
2.5
7.5
16.5
2.5
18.5
ns
Sn to Z or Z
tPLH
Propagation Delay
5.0
2.5
5.5
12.0
2.0
13.0
ns
In to Z or Z
tPHL
Propagation Delay
5.0
2.5
6.5
12.5
2.5
14.0
ns
In to Z or Z
tPZH
Output Enable Time
5.0
1.5
5.0
8.5
1.5
9.0
ns
OE to Z or Z
tPZL
Output Enable Time
5.0
1.5
4.5
8.5
1.5
9.5
ns
OE to Z or Z
tPHZ
Output Disable Time
5.0
2.0
6.0
12.0
2.0
13.0
ns
OE to Z or Z
tPLZ
Output Disable Time
5.0
1.5
4.5
8.5
1.5
9.0
ns
OE to Z or Z
Symbol
Parameter
Typ
Units
Conditions
CIN
Input Capacitance
4.5
pF
VCC = OPEN
CPD
Power Dissipation Capacitance
70.0
pF
VCC = 5.0V




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