What this dual 4:1 mux does on the board
The -55°C to 125°C temperature range puts this in the military-grade bucket — avionics, satellite payloads, or downhole instrumentation where the board sees extremes. The 5.2 mA output drive (sink and source) is enough to swing CMOS inputs or a single LED, but don't plan on driving a relay coil or a long backplane trace directly.
Package and compliance — the gotcha
The RoHS non-compliant flag means the leads contain lead. If your assembly line is RoHS-mandated (EU, California, medical), you will need an exemption or a lead-free alternative. For military or high-rel work where tin whiskers are a concern, the leaded finish is actually preferred.
