FSA1256 View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

FSA1256

Low RON Low Voltage Dual SPST Analog Switch with Low ICCT “A” Option

Fairchild Semiconductor 

Analog Symbols

FSA1256, FSA1256A

FSA1257, FSA1257A

(Top Through View)

Truth Tables

FSA1256, FSA1256A

Control Input(s)

Function

L

Disconnect

H

A Connected to B

H HIGH Logic Level

Analog Symbol

(Top Through View)

FSA1257, FSA1257A

Control Input(s)

Function

L

A Connected to B

H

Disconnect

L LOW Logic Level

FSA1258, FSA1258A

(Top Through View)

Truth Table

FSA1258, FSA1258A

Control Input 1S

Function

Control Input 2S

Function

L

1A Connected to 1B

L

Disconnect

H

Disconnect

H

2A Connected to 2B

H HIGH Logic Level

L LOW Logic Level

Pin Descriptions

Pin Names

A, B

S

Function

Data Ports

Control Input

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