Datasheet

© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA2257 • Rev. 1.0.6 2
FSA2257— Low R
ON
, Low-Voltage Dual SPDT Bi-Directional Analog Switch
Pin Configurations
Figure 2. Pin Assignments for TSSOP (Top View)
Figure 3. MicroPak™ Pad Assignments (Top View)
Figure 4. Pin Assignments for MSOP (Top View)
Figure 5. Analog Symbols (Top Through View)
Pin Definitions
Pin#
TSSOP
Pin#
MicroPak™
Pin #
MSOP
Name
Description
1
7
4
1A
Data Ports
2,5
10
8
GND
Ground
3
9
5
1B
0
Data Ports
4
3
9
2A
Data Ports
6
1
10
2B
0
Data Ports
7,8
NC
No Connect
9
4
1
2B
1
Data Ports
10
2
2
2S
Control Inputs
11,14
5
3
V
CC
Power Supply
12
6
6
1B
1
Data Ports
13
8
7
1S
Control Inputs
Truth Table
Control Input (S)
Function
Low Logic Level
B
0
connected to A
High Logic Level
B
1
connected to A