FST16233(2000) Просмотр технического описания (PDF) - Fairchild Semiconductor
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FST16233 Datasheet PDF : 6 Pages
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AC Electrical Characteristics
TA = −40 °C to +85 °C,
Symbol
Parameter
CL = 50pF, RU= RD = 500Ω
VCC = 4.5 − 5.5V
VCC = 4.0V
Units
Conditions
Figure
No.
Min
Max
Min
Max
tPHL, tPLH
A or B, to B or A (Note 6)
0.25
0.25
ns VI = OPEN
Figures
1, 2
tPHL,tPLH
S to A
1.5
6.1
6.8
ns VI = OPEN
Figures
1, 2
tPZH, tPZL
Output Enable Time,
S or TEST to B
1.0
6.5
7.2
ns
VI = 7V for tPZL,
VI = OPEN for tPZH
Figures
1, 2
tPHZ, tPLZ
Output Disable Time,
S or TEST to B
1.5
7.8
8.5
ns
VI = 7V for tPLZ,
VI = OPEN for tPHZ
Figures
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 source (zero output impedance).
Capacitance (Note 7)
Symbol
Parameter
Typ
CIN
Control pin Input Capacitance
4
CI/O
Input/Output Capacitance
6
Note 7: TA = +25°C, f = 1 MHz, Capacitance is characterized but not tested.
Max
Units
Conditions
pF
VCC = 5.0V
pF
VCC = 5.0V, Switch OFF
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
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FIGURE 2. AC Waveforms
4
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