PI5C3384 データシートの表示（PDF） - Pericom Semiconductor Corporation
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PI5C3384 Datasheet PDF : 4 Pages
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PPI5B3384/3384C/32384 (25Ω)
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PI5C32384 Switching Characteristics over Operating Range
PI5C32384
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Description
Propagation Delay(2,3)
Ax to Bx, Bx to Ax
Bus Enable Time
BEX to Ax or Bx
Bus Disable Time
BEx to Ax or Bx
Conditions(1)
CL = 50 pF
RL = 500Ω
Min
Typ
Max Unit
—
1.25
—
ns
1.5
—
7.5
ns
1.5
—
5.5
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
184
PS7029A 03/13/96
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