PI5C32X2383 Просмотр технического описания (PDF) - Pericom Semiconductor
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PI5C32X2383 Datasheet PDF : 4 Pages
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PI5C32X383/PI5C32X2383
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PI5C32X2383 Switching Characteristics over Operating Range
PI5C32X2383
Com
Parameters Description
Conditions(1)
Min.
Typ
Max.
tPLH
Propagation Delay(2,3) CL = 50 pF
tPHL
Ax to Cx, Bx to Dx RL = 500Ω
tPZH
Bus Enable Time
tPZL
BE to Cx or Dx
tPHZ
Bus Disable Time
tPLZ
BE to Cx or Dx
tBX
Bus Exchange Time
BX to Cx or Dx
1.25
1.5
6.5
1.5
5.5
1.5
6.5
Units
ns
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance
of the switch and the load capacitance. The time constant for the switch alone is of the order of
0.25 ns for 50 pF load. Since this time constant is much smaller than the rise/fall times of typical
driving signals, it adds very little propagational delay to the system. Propagational delay of the
bus switch when used in a system is determined by the driving circuit on the driving side of the
switch and its interaction with the load on the driven side.
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
4
PS8100 07/10/97
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