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PI3A125

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21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321

SOT

INY

TM

Low Voltage SPST

Analog Switch/Bus Switch

Features

鈥?Low Voltage, SPST Switch

鈥?V

CC

from 2.3V to 3.6V

鈥?Low On-Resistance: 6 ohms at 3.0V

鈥?CMOS Technology for Bus and Analog Applications

鈥?Rail-to-Rail Signal Range

鈥?Low Power: 30碌W at 3.0V

鈥?High Speed: 4ns

鈥?High Off Isolation: 65dB at 1MHz

鈥?High Bandwidth: 250MHz

鈥?Extended Industrial Temperature Range: -40擄C to 85擄C

鈥?Improved, Direct Replacement for SN74CBTLV1G125

鈥?Packaging:

- 5-pin SC70 (C)

- 5-pin SOT-23 (T)

Description

The PI3A125 is a high-speed CMOS SPST switch that can be used

in analog or low-delay bus switch applications.

Specified over a wide operating power supply voltage range, 2.3V

to 3.6V, the PI3A125 has a low maximum ON resistance of 10-ohm

at 2.3V and 7 ohms at 3V. The CMOS device features rail-to-rail

signal range. The switch is turned off when the OE input is high.

Power requirements at 3V are a low 30碌W.

The PI3A125 is an improved, direct replacement for the

SN74CBTLV1G125. Pericom improvements include lower resis-

tance and detailed analog switch specifications.

Connection Diagram

PI3A125

OE

1

5

V

CC

Applications

鈥?Cell Phones

鈥?Computer Peripherals

鈥?Bus Isolation

鈥?Servers/Routers

鈥?Data Communications

鈥?PDAs

鈥?Portable Instrumentation

鈥?Battery Powered Communications

GND

3

4

B

A

2

Pin Description

Pin Numbe r

1

2

3

4

5

Name

OE

Port A

GND

Port B

V

CC

De s cription

Enable Logic Input

Input/Output (Bidirectional)

Ground

Input/Output (Bidirectional)

Positive Power Supply

Logic Function Table

OE

0

1

Function

ON

O FF

1

PS8575A

06/27/04

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