The NC7SBU3157 is a high-performance, single-pole / double-throw (SPDT) analog switch or 2:1 multiplexer / de-multiplexer bus switch produced by Fairchild Semiconductor Corporation, with space-saving, SC70 6-lead, surface-mount package, low on resistance (typical value less than 10Ω at 3.3V VCC), wide VCC operating range (1.65V to 5.5V), rail-to-rail signal handling, power-down, high-impedance control input, control input over-voltage tolerance (up to 7.0V), break-before-make enable circuit, 250 MHz, 3dB bandwidth and other characteristics.
The NC7SBU3157 and FSAU3157 are high‑performance, single‑pole/double‑throw (SPDT) analog switches or 2:1 multiplexers. They feature low on‑resistance, rail‑to‑rail signal handling, and break‑before‑make circuitry, operating from 1.65 V to 5.5 V supply.
Key specifications include a typical on‑resistance of 10 mΩ, 250 MHz 3‑dB bandwidth, and a 6‑lead SC70 surface‑mount package. The datasheet also lists absolute maximum ratings, recommended operating conditions, and detailed pin assignments.
| Bandwidth (3‑dB) | 250 MHz |
|---|---|
| Supply Voltage Range | 1.65 V to 5.5 V |
| Control Input Voltage Range | 0 V to 5.5 V |
| Package | 6‑lead SC70, 1.25 mm wide, surface‑mount |
The device can operate up to a supply voltage of 5.5 V.
It is supplied in a 6‑lead SC70 surface‑mount package.
The switch has a 3‑dB bandwidth of 250 MHz.