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FST3345WMX
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Product Detailed Parameters
- Description：BUS DRIVER
- 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-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
- Grade：-
- Qualification：-
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Overview
The FST3345WMX is an 8-bit bus switch manufactured by Fairchild Semiconductor, designed for high-speed CMOS and TTL-compatible applications. It operates on a single supply voltage ranging from 4 V to 5.5 V. The device features low on-resistance, enabling efficient signal transmission between connected inputs. It is housed in a 20-SOIC surface-mount package with a width of 7.50 mm. The component supports an operating temperature range of -40°C to 85°C, ensuring reliability in various industrial environments.
Feature Summary
- Provides eight bits of high-speed bus switching capability
- Compatible with both CMOS and TTL logic families
- Features low on-resistance for effective input connection
Applications
- High-speed data bus switching in digital systems
- CMOS and TTL interface circuits
- Signal routing in electronic equipment
Procurement Notes
Verify the manufacturer status as the part may be discontinued or have limited availability. Confirm the exact package dimensions and pin configuration against the official datasheet before integration. Ensure the supply voltage requirements align with your system design to prevent operational issues.
Selection Notes
Select this component when an 8-bit wide bus switch is required for CMOS or TTL interfaces. Consider the 4 V to 5.5 V supply range and the 20-SOIC package constraints. Evaluate the thermal performance within the specified -40°C to 85°C operating range for your specific application environment.
Part Context
This component belongs to the FST series of bus switches, which are engineered for high-speed digital signal routing. The FST3345 specifically offers an 8-bit configuration, distinguishing it from narrower variants. It is part of Fairchild's portfolio of logic signal switches and multiplexers.
Replacement Considerations
Check for direct substitutes within the same product family or equivalent 8-bit bus switches from other manufacturers. Verify pin compatibility and electrical specifications such as supply voltage and on-resistance to ensure seamless replacement.
