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Part Name
Description
FST3125MTCX View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
FST3125MTCX
4-Bit Bus Switch
Fairchild Semiconductor
FST3125MTCX Datasheet PDF : 9 Pages
1
2
3
4
5
6
7
8
9
Pin Configurations
/OE
1
1
14 V
CC
1A 2
13 /OE
4
1B 3
12 4A
/OE
2
4
11 4B
2A 5
10 /OE
3
2B 6
9 3A
GND 7
8 3B
Figure 2. SOIC and TSSOP Pin Assignments
NC 1
16 V
CC
/OE
1
2
15 /OE
4
1A 3
14 4A
1B 4
13 4B
/OE
2
5
12 /OE
3
2A 6
11 3A
2B 7
10 3B
GND 8
9 NC
Figure 3. QSOP Pin Assignments
Pin Descriptions
Pin Names
/OE
1
, /OE
2
, /OE
3
, /OE
4
1A, 2A, 3A, 4A
1B, 2B, 3B, 4B
NC
V
CC
GND
Truth Table
Inputs
/OE
LOW
HIGH
Description
Bus Switch Enables
Bus A
Bus B
Not Connected
Supply Voltage
Ground
Inputs/Outputs
A, B
A=B
High Impedance
© 2005 Fairchild Semiconductor Corporation
FST3125 • Rev. 1.0.3
2
www.fairchildsemi.com
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