FST6800MTC Просмотр технического описания (PDF) - Fairchild Semiconductor
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FST6800MTC Datasheet PDF : 5 Pages
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AC Electrical Characteristics
Symbol
Parameter
TA = −40 °C to +85 °C,
CL = 50pF, RU = RD = 500Ω
VCC = 4.5 – 5.5V
VCC = 4.0V
Units
Conditions
Figure
No.
Min
Max
Min
Max
tPHL,tPLH Prop Delay Bus to Bus (Note 6)
0.25
0.25
ns VI = OPEN
Figures
1, 2
tPZH
Output Enable Time
tPZL
1.5
6.2
1.5
6.2
6.5
ns VI = OPEN, BiasV = GND
Figures
6.5
ns VI = 7V, BiasV = 3V
1, 2
tPHZ
Output Disable Time
tPLZ
1.5
6.1
1.5
7.3
6.5
ns VI = OPEN, BiasV = GND
Figures
6.8
ns VI = 7V, BiasV = 3V
1, 2
Note 6: 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 50pF load capacitance, when driven by an ideal voltage the source (zero output impedance).
Capacitance (Note 7)
Symbol
Parameter
Typ
CIN
Control Pin Input Capacitance
3
CI/O
Input/Output Capacitance
5
Note 7: TA = +25°C, f = 1 MHz, Capacitance is characterized but not tested.
Max
Units
pF
pF
Conditions
VCC = 5.0V
VCC, OE = 5.0V
AC Loading and Waveforms
Note: Input driven by 50 Ω source terminated in 50 Ω
Note: CL includes load and stray capacitance
Note: Input PRR = 1.0 MHz, tW = 500 ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
3
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