FSA1256 Fairchild Semiconductor, FSA1256 Datasheet - Page 2

• Manufacturer Part Number: FSA1256
• Description: Low-RON Low-Voltage, Dual SPST Analog Switch with Low-ICCT A Option
• Manufacturer: Fairchild Semiconductor

© 2004 Fairchild Semiconductor Corporation
FSA1256(A) / FSA1257(A) / FSA1258(A) Rev. 1.0.5
Analog Symbols
Truth Tables
Truth Table
Pin Descriptions
Control Input (s)
Control Input, 1S
HIGH Logic Level
LOW Logic Level
HIGH Logic Level
LOW Logic Level
A, B
Name
Figure 1.
S
0
, B
1
FSA1256, FSA1256A
A Connected to B
Disconnect
Function
1A Connected to 1 B
Disconnect
Function
Figure 3.
FSA1258, FSA1258A
2
Control Input 2S
HIGH Logic Level
LOW Logic Level
Switch Select Pin
Description
Data Ports
Figure 2.
LOW Logic Level
HIGH Logic Level
Control Input (s)
FSA1257, FSA1257A
2A Connected to 2B
Disconnect
A Connected to B
Disconnected
Function
Function
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