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Product Detailed Parameters
- Description：IC MUX 8:1 195OHM 16SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：195Ohm
- Channel-to-Channel Matching (ΔRon)：3Ohm
- Voltage - Supply, Single (V+)：2V ~ 6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：78ns, 78ns
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：22pF
- Current - Leakage (IS(off)) (Max)：200nA
- Crosstalk：-
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Number of Circuits：1
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The SN74HC4851QDRQ1 is an automotive-grade 8-line-to-1-line data selector/multiplexer manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and features a maximum on-resistance of 195 ohms with a channel-to-channel matching of 3 ohms. The device supports switching times of up to 78 ns and includes a maximum leakage current of 200 nA. Packaged in a 16-SOIC format, it functions across a temperature range of -40°C to +125°C and holds AEC-Q100 qualification for automotive reliability.
Feature Summary
- Automotive-grade logic component certified under AEC-Q100 standards
- Wide operating voltage capability from 2 V to 6 V
- High-speed signal routing with defined switching characteristics
Applications
- Automotive electronic control unit signal multiplexing
- Data routing in vehicle communication networks
- Signal selection in automotive sensor interfaces
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm package type and tape-and-reel specifications. Ensure the component meets AEC-Q100 requirements for the intended automotive application environment. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.
Selection Notes
Select this component when an 8:1 multiplexer is required for automotive systems operating between 2 V and 6 V. Consider the 195 ohm on-resistance and 78 ns switching speed for signal integrity requirements. Verify that the 16-SOIC package fits the PCB layout constraints and that the -40°C to +125°C temperature range covers the operational environment.
Part Context
This device belongs to the SN74HC4851-Q1 family of automotive multiplexers. It shares functional similarities with other members like the SN74HC4851QPWRQ1 but differs in physical packaging. The QDRQ1 designation specifically indicates the SOIC-16 surface-mount package variant designed for high-volume automotive manufacturing processes.
Replacement Considerations
The SN74HC4851QPWRQ1 serves as a pin-compatible alternative utilizing a TSSOP-16 package instead of the SOIC-16 form factor. Designers must verify footprint compatibility and thermal performance differences when substituting these variants.
