PI5C162245 Просмотр технического описания (PDF) - Pericom Semiconductor

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PI5C162245

16-Bit, 2-Port Bus Switch

Pericom Semiconductor 

PI5C16245/162245

16-Bit, 2-Port Bus switch 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122

Test Circuits

VIN

Pulse

Generator

7V

VCC

Open

VOUT

D.U.T.

RT

500Ω

50pF

CL

500Ω

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

Enable

Control

Input

1.5V

tPZL

Output

Normally

Low

Output

Normally

High

Switch

tPZH

Switch

GND

Disable

tPLZ

3V

1.5V

tPZH

1.5V

0V

3V

1.5V

0V

3V

0.3V VOL

0.3V VOH

0V

1. Input Control Enable = Low; Input Control Disable = High

2. Pulse Generator for all pulses:

Rate <1.0 MHz; ZOUT <50Ω; tF, tR <2.5ns

Propagation Delay

Same Phase

Input Transisiton

1.5V

tPLH

Output

1.5V

tPLH

Opposite Phase

Input Transisiton

tPHL

tPHL

3V

1.5V

0V

VOH

1.5V

VOL

3V

1.5V

0V

4

PS7025D

01/24/06

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