PI5C3253QEX Ver la hoja de datos (PDF) - Pericom Semiconductor

Número de pieza

componentes Descripción

Fabricante

PI5C3253QEX

Dual 4:1 Mux/DeMux Bus Switch

Pericom Semiconductor 

Test Circuit

PI5C3253

Dual 4:1 Mux/DeMux Bus Switch

Switch Position

Test

Switch

Disable LOW

Closed

Enable LOW

Closed

tPD

Open

Definitions:

CL = Load Capacitance (includes jig and probe capacitance)

RT = Termination resistance (should be equal to ZOUT of

the pulse generator)

Enable and Disable Timing Diagram

Enable

Control

Input

t PZL

1.6V

Output

Normally

Low

Output

Normally

High

Switch

t PZH

Switch

GND

Disable

t PLZ

3V

1.5V

t PZH

1.5V

0V

3V

1.5V

0V

3V

0.3V VOL

0.3V VOH

0V

1. Input Control Enable = Low Input Control Device = High

2. Pulse Generator total pulses

Rate ≤1.0 MHz; Z OUT≤50-Ohms;tF, tR ≤2.5ns

Propagation Delay Diagram

Same Phase

Input Translation

tPLH

1.5V

Output

1.5V

tPLH

Opposite Phase

Input Transistion

tPHL

tPHL

3V

1.5V

0V

V OH

1.5V

V OL

3V

1.5V

0V

09-0120

4

PS7017H

06/11/09

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