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The SN74HC4851QPWRG4Q1 is an automotive-grade 8-to-1 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 for both turn-on and turn-off phases, with a leakage current maximum of 200 nA and channel capacitance of 22 pF. It is housed in a 16-TSSOP package and certified to AEC-Q100 standards for operation between -40°C and +125°C.
Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct packaging and automotive grade specifications. Confirm that the component meets specific project requirements for operating temperature and voltage ranges before finalizing procurement decisions.
Select this component when an 8:1 multiplexer with automotive certification is required. Ensure the design accommodates the 195 ohm on-resistance and 2V to 6V supply voltage constraints. Verify that the 16-TSSOP package dimensions fit the target PCB layout and thermal management requirements.
This part belongs to the SN74HC4851-Q1 family of automotive-grade multiplexers from Texas Instruments. It shares functional similarities with other members like SN74HC4851QPWRQ1 but may differ in manufacturing revisions or specific packaging configurations as defined by the manufacturer's product change notifications.
SN74HC4851QPWRQ1 is a confirmed substitute within the same family.