PI5L100 查看數據表（PDF） - Pericom Semiconductor Corporation

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PI5L100

Wide Bandwidth Low Voltage LanSwitch Quad 2:1 MUX/DEMUX

Pericom Semiconductor Corporation 

PI5L100

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Switching Characteristics over Operating Range

Parameters Description

Conditions(1)

PI5L100

Com.

Min Typ Max Unit

tIY

Propagation Delay(2,3)

CL = 50 pF

— — 0.25 ns

In to Y

RL = 500Ω

tSY

Bus Enable Time

0.5 — 5.2 ns

S to Y

tPHZ

Bus Disable Time

0.5 — 5.0 ns

tPLZ

E to Y

tEY

Bus Disable Time

0.5 — 4.8 ns

E to Y

XTALK(Dif) Differential Crosstalk(2) RL = 100Ω

–40 –60 — dB

f = 10 MHz

See Figure 11

XTALK

Crosstalk

RL = 100Ω

f = 30 MHz

See Figure 9

— –40 — dB

OIRR

Off Isolation

RL = 100Ω

f = 30 MHz

See Figure 6

— –30 — dB

BW

–3 dB Bandwidth

RL = 100Ω

— 216 — MHz

See Figure 9

tON

Turn On Time

RL = 100Ω

— 11 — ns

tOFF

Turn Off Time

CL = 35 pF

— 11 — ns

See Figure 8

Notes:

1. See test circuit and wave forms.

2. This parameter is guaranteed but not tested.

3. The bus switch contributes no propagational delay other than the RC delay of the ON resis-

tance 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.

219

PS7031B 04/29/97

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