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FSTD3125_12 Datasheet, PDF (2/8 Pages) Fairchild Semiconductor – 4-Bit Bus Switch with Level Shifting
Pin Configuration
/OE1 1
14 VCC
1A 2
13 /OE4
1B 3
12 4A
/OE2 4
11 4B
2A 5
10 /OE3
2B 6
9 3A
GND 7
8 3B
Figure 2. Pin Assignments
Pin Descriptions
Pin #
1, 4, 10, 13
2, 5, 9, 12
3, 6, 8, 11
14
7
Pin Names
/OE1, /OE2, /OE3, /OE4
1A, 2A, 3A, 4A
1B, 2B, 3B, 4B
VCC
GND
Truth Table
Inputs
/OE
LOW
HIGH
Description
Bus Switch Enables
Bus A
Bus B
Supply Voltage
Ground
Inputs/Outputs
A, B
A=B
High Impedance
© 2001 Fairchild Semiconductor Corporation
FST3D125 • Rev. 1.0.3
2
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