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Product Detailed Parameters
- Description：MULTIPLEXERS/SWITCHES, 4 FUNC
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：-
- On-State Resistance (Max)：-
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Number of Circuits：-
- Grade：-
- Qualification：-
Download product information
Overview
The SNJ54HC4066FK is a high-speed CMOS quad bilateral switch manufactured by Texas Instruments. It features four independent SPST switches within a single package, designed for low on-resistance and minimal signal distortion. The device operates with a supply voltage range of 2V to 10V and supports an extended industrial temperature range from -55°C to +125°C. Packaged in a 20-pin LCCC format, it offers fast switching speeds with typical propagation delays of 12ns at 5V. The component integrates standard CMOS logic compatibility, ensuring seamless integration into digital control systems requiring analog signal routing.
Feature Summary
- Quad bilateral switch configuration providing four independent signal paths
- Extended temperature operation suitable for harsh industrial environments
- Low power consumption characteristics inherent to CMOS technology
- Hermetic ceramic packaging for enhanced reliability
Applications
- Military aerospace signal routing systems
- Industrial process control data acquisition
- High-reliability communication equipment multiplexing
Procurement Notes
Verify the specific suffix FK indicates the hermetic ceramic LCCC package variant distinct from plastic equivalents. Confirm RoHS compliance status as military-grade ceramics often follow different regulatory frameworks than commercial parts. Ensure sourcing channels provide traceability documentation required for defense or critical infrastructure applications.
Selection Notes
Select this component when hermetic sealing and wide temperature tolerance are mandatory. Compare against plastic SOIC or TSSOP variants if environmental protection is not required. Verify pinout compatibility with existing PCB footprints, as the LCCC package differs significantly from surface-mount DIP alternatives.
Part Context
This part belongs to the SN54HC series, which denotes military-grade performance levels compared to the commercial SN74HC line. The HC designation indicates High-speed CMOS technology, offering faster switching than legacy 74HC devices while maintaining low power dissipation. The family provides standardized interfaces for complex digital logic applications.
Replacement Considerations
SNJ54HC4066F: Identical functional equivalent without reel packaging specification. CD74HC4066M: Commercial grade plastic SOIC alternative lacking hermetic sealing. SN54HC4066FK: Standardized military part number reference.
