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The NC7SB3157P6X-F40 is a single-pole double-throw (SPDT) analog switch or 2:1 multiplexer/de-multiplexer bus switch manufactured by onsemi. It operates within a supply voltage range of 1.65V to 5.5V and utilizes advanced sub-micron CMOS technology for high-speed switching. The device features rail-to-rail signal handling, an ultra-small SC-70 6-lead surface mount package, and break-before-make enable circuitry to prevent signal disruption during select pin switching. It provides over-voltage tolerance on the control input up to 7.0V.
Verify the specific ordering suffix against official manufacturer documentation to confirm packaging details and availability status. Ensure that the component meets all applicable RoHS compliance requirements before integration into final designs. Cross-reference the part number with current distributor catalogs to validate sourcing channels and confirm lead times directly with authorized suppliers.
Select this component when a low-voltage SPDT switch with rail-to-rail signal handling is required in a compact footprint. Consider the 1.65V to 5.5V operating range and the 7.0V control input over-voltage tolerance for system compatibility. Evaluate the SC-70 package dimensions against available board space constraints and verify thermal resistance specifications for the intended application environment.
This component belongs to the NC7SB3157 series, which includes variants such as the NC7SB3157L6X in MicroPak packages. The P6X suffix indicates the SC-70 6-lead package configuration. The device was originally developed under Fairchild Semiconductor branding and is now managed by onsemi following their corporate integration.
NC7SB3157L6X
The control input tolerates voltages up to 7.0V, independent of the VCC operating range.
The break-before-make select circuitry prevents disruption of signals on the B Port by ensuring both switches are not temporarily enabled during select pin switching.
The device has a -3dB bandwidth of 250MHz.