Datasheet
© 2007 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA1259 / FSA1259A Rev. 1.0.6 2
FSA1259 / FSA1259A — Low-Voltage, 1Ω SPST Analog Switch with Power-Off Isolation
Pin Assignments
Vcc
GND
18
7
6
5
4
3
2
1A
1B
2S
2A
2B
1S
Figure 2. Pin Assignments (Top View)
Pin Definitions
Pin # Name Description
1 1A Data Port
2 1B Data Port
3 2S Control Input
4 GND Ground
5 2A Data Port
6 2B Data Port
7 1S Control Input
8 V
CC
Supply Voltage
Truth Table
Control Input (S) Function
LOW Disconnected
HIGH A Connected to B
