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Product Detailed Parameters
- Description:IC BUS SWITCH 8 X 1:1 20QSOP
- Series:-
- Mfr:Fairchild Semiconductor
- Package:Bulk
- Type:Bus Switch
- Circuit:8 x 1:1
- Independent Circuits:1
- Current - Output High, Low:-
- Voltage Supply Source:Single Supply
- Voltage - Supply:4V ~ 5.5V
- Operating Temperature:-40°C ~ 85°C
- Mounting Type:Surface Mount
- Package / Case:20-LSSOP (0.154", 3.90mm Width)
- Supplier Device Package:20-QSOP
- Grade:-
- Qualification:-
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Overview
The FST3345QSCX is an 8-bit bus switch manufactured by Fairchild Semiconductor. It provides high-speed CMOS and TTL-compatible switching capabilities within a single functional unit. The device features four independent switch connections between two ports, enabling flexible data routing in digital systems.
Feature Summary
- Provides eight bits of high-speed CMOS and TTL-compatible bus switching functionality
- Features minimal propagation delay through the switch to maintain signal integrity
- Designed with low power consumption characteristics for efficient operation
Applications
- High-speed data routing in digital communication systems
- Bus expansion and interconnection in computer architectures
- Signal isolation and direction control in mixed-signal environments
Procurement Notes
Verify the manufacturer designation as Fairchild Semiconductor or its successor entity ON Semiconductor. Confirm the package type and pinout configuration match the required PCB layout. Ensure the voltage levels are compatible with the target system logic families before integration.
Selection Notes
Select this component when an 8-bit wide bus interface is required with low insertion loss. The TTL-compatible control inputs simplify interface design with standard logic families. Consider the thermal performance and package constraints for the specific application environment.
Part Context
This part belongs to the FST series of bus switches, designed for high-performance digital applications. It serves as a critical interconnect solution for managing data flow between different subsystems. The technology leverages CMOS processes to achieve speed and efficiency.
Replacement Considerations
The FST3345QSC is a verified substitute part number from the same manufacturer family. Verify pin compatibility and electrical specifications before swapping components.
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