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FSTU32X800 Datasheet(PDF) 4 Page - Fairchild Semiconductor

No. de Pieza. FSTU32X800
Descripción  20-Bit Bus Switch with Precharged Outputs and -2V Undershoot Protection
Descarga  5 Pages
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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FSTU32X800 Datasheet(HTML) 4 Page - Fairchild Semiconductor

   
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AC Electrical Characteristics
Note 8: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical On
Resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage the source (zero output impedance).
Capacitance (Note 9)
Note 9: TA = +25°C, f = 1 MHz, Capacitance is characterized but not tested.
AC Loading and Waveforms
Note: Input driven by 50
Ω source terminated in 50Ω, RU = RD = 500Ω
Note: CL includes load and stray capacitance, CL= 50 pF
Note: Input PRR
= 1.0 MHz, t
W = 500 ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
Symbol
Parameter
TA = −40 °C to +85 °C,
Units
Conditions
Figure
Number
CL = 50 pF, RU = RD = 500Ω
VCC = 4.5 – 5.5V
VCC = 4.0V
Min
Max
Min
Max
tPHL,
Propagation Delay Bus to Bus
0.25
0.25
ns
VI = OPEN
Figures
1, 2
tPLH
(Note 8)
tPZH
Output Enable Time
7.0
30.0
35.0
ns
VI = OPEN
Figures
1, 2
OE1, OE2, to An, Bn
BiasV
= GND
tPZL
7.0
30.0
35.0
ns
VI = 7V
BiasV
= 3V
tPHZ
Output Disable Time
1.0
6.1
6.5
ns
VI = OPEN
Figures
1, 2
OE1, OE2, to An, Bn
BiasV
= GND
tPLZ
1.0
7.3
6.8
ns
VI = 7V
BiasV
= 3V
Symbol
Parameter
Typ
Max
Units
Conditions
CIN
Control Pin Input Capacitance
3.0
pF
VCC = 5.0V
CI/O
Input/Output Capacitance
5.0
pF
VCC, OE = 5.0V


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