NC7SB3257(2000) Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
NC7SB3257
(Rev.:2000)
(Rev.:2000)
Fairchild Semiconductor
NC7SB3257 Datasheet PDF : 7 Pages
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AC Electrical Characteristics
TA = −40°C to +85°C
Symbol
Parameter
VCC
CL = 50 pF, RU = RD =500Ω
Units
Conditions
Fig. No.
(V)
Min
Typ
Max
tPHL
Propagation Delay Bus to Bus
4.0 − 55
tPLH
(Note 6)
tPZL
Output Enable Time
4.5 − 5.5
1.8
tPZH
4.0
1.8
tPLZ
Output Disable Time
4.5 − 5.5
0.8
tPHZ
4.0
0.8
Break Before Make Time
tB-M
(Note 7)
4.5 − 5.5
0.5
4.0
0.5
0.25
6.5
7.3
4.7
5.3
ns VI = OPEN
ns
VI = 7V for tPZL
VI = 0V for tPZH
VI = 7V for tPLZ
VI = 0V for tPHZ
ns
Figures 1,
2
Figures 1,
2
Figures 1,
2
Figure 3
Note 6: This parameter is guaranteed by design but not tested. The bus switch contributes no propagation delay other than the RC delay of the on resistance
of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance).
Note 7: Guaranteed by design.
Capacitance (Note 8)
Symbol
Parameter
CIN
CIO-B
CIO-A
Control Pin Input Capacitance
B Port OFF Capacitance
A Port ON Capacitance
Note 8: Capacitance is characterized but not tested.
Typ
Max
Units
2.3
pF
5.7
pF
16
pF
Conditions
VCC = 0V
VCC = 5.0V
VCC = 5.0V
3
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