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Product Detailed Parameters
- Description：MULTIPLEXER/DEMULTIPLEXER
- Series：74HC
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Switch Circuit：SP8T - Open/Closed
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：400Ohm
- Channel-to-Channel Matching (ΔRon)：60Ohm (Max)
- Voltage - Supply, Single (V+)：2V ~ 6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：78ns, -
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：35pF, 40pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-VFQFN Exposed Pad
- Supplier Device Package：16-QFN (2.5x3.5)
- Number of Circuits：1
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The NLV74HC4851AMNTWG is a single-channel analog multiplexer/demultiplexer manufactured by onsemi. It features an 8:1 switching configuration housed in a 16-QFN (2.5x3.5) surface-mount package. The device operates within a supply voltage range of 2V to 6V and supports an extended operating temperature range from -55°C to +125°C. Key electrical specifications include a maximum on-resistance of 400 ohms, a maximum leakage current of 100nA, and a channel capacitance of 40pF. This component holds AEC-Q100 qualification for automotive applications but is currently listed as obsolete.
Feature Summary
- Automotive-grade reliability certified under the AEC-Q100 standard
- Extended industrial temperature operation capability down to -55°C
- Compact 16-pin QFN footprint designed for space-constrained PCB layouts
Applications
- Automotive sensor signal routing systems
- Data acquisition channels requiring high noise immunity
- Industrial control interface multiplexing
Procurement Notes
This specific part number is officially classified as obsolete or discontinued by the manufacturer. Verification of availability requires checking distributor archives for remaining stock or evaluating alternative sources. Procurement planning must account for potential end-of-life constraints and long-term supply chain risks associated with legacy components.
Selection Notes
Designers should verify that the 400-ohm maximum on-resistance meets system requirements, as this value is higher than typical commercial variants. The 16-QFN package necessitates careful thermal management and soldering process control. Ensure the 2V to 6V supply range aligns with the target application's power architecture before finalizing the design.
Part Context
This component belongs to the NLV series, which represents the automotive-grade subset of the broader 74HC4851 family. While functionally similar to commercial parts like the MC74HC4851ADWR2, the NLV variant specifically targets harsh environments through enhanced temperature ratings and rigorous qualification standards defined by automotive industry protocols.
Replacement Considerations
The MC74HC4851ADWR2 serves as a functional equivalent within the same logic family. However, it lacks the specific automotive qualification and extended temperature rating of the NLV variant. Substitution requires verifying that the SOIC-16 package dimensions are compatible with the existing board layout.
