PI3C6800 Просмотр технического описания (PDF) - Pericom Semiconductor

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PI3C6800

2.5V/3.3V, 2-Port, 10-Bit Bus Switch with Precharged Outputs for Live Insertion

Pericom Semiconductor 

PI3C6800

2.5V/3.3V, 2-Port, 10-Bit Bus Switch with

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Parameter Measurements

From Output

Under Test

CL = 50pF

(See note 1)

500Ω

500Ω

6V

S1

Open

GND

Test

tPD

tPLZ/tPZL

tPHZ/tPZH

1

S1

2

Open

6V

3

GND

LOAD CIRCUIT

4

VOLTAGE WAVEFORMS

PROPAGATION DELAY TIMES

Output

3V

5

Control

(Low Level

1.5V

1.5V

Enabling)

0V

tPZL

tPLZ

Output

Waveform 1

S1 at 6V

(see Note 2) tPZH

1.5V

tPHZ

3.5V

6

VOL +0.3V VOL

Output

Waveform 2

S1 at Open

(see Note 2)

1.5V

VOH

VOH -0.3V

0V

7

VOLTAGE WAVEFORMS

ENABLE AND DISABLE TIMES

8

Notes:

1. CL includes probe and jig capacitance.

2. Waveform 1 is for an output with internal conditions such that the output is LOW except when disabled by the output control.

Waveform 2 is for an output with internal conditions such that the output is HIGH except when disabled by the output control.

3. All input pulses are supplied by generators having the following characteristics: PRR<10MHz, ZO = 50Ω, tR ≤ 2.5ns, tF ≤ 2.5ns.

4. The outputs are measured one at a time with one transition per measurement.

5. tPLZ and tPHZ are the same as tDIS.

6. tPZL and tPZH are the same as tEN.

7. tPLH and tPHL are the same as tPD.

9

10

11

12

13

14

15

4

PS8191D 05/03/00

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