What the SN74S15N does on the board
The SN74S15N is a 3-input AND gate from the S (Schottky-clamped) TTL family, delivering the logic AND of three inputs at the output. S-series TTL offers higher speed than standard 74xx logic, with propagation delays typically in the 5–10 ns range — useful in timing-critical glue logic where a 74LS00 might be too slow.
Active production and compliance note
The part is RoHS non-compliant — it contains lead in the solder finish or internal construction, so it cannot be used in RoHS-required assemblies without an exemption. Confirm your BOM's RoHS exemption status before committing.
The SN74S15N is available for sourcing through our distribution channel.