Dual 4-input AND gate with Schmitt-trigger inputs
The SN74HCS21DR is a dual 4-input AND gate from the 74HCS series with Schmitt-trigger inputs. Supply range is 2V to 6V, operating temperature -40°C to 125°C, quiescent current 2 µA max, propagation delay 16 ns at 6V with 50 pF load.
Active and available — no LTB risk
Surface-mount in a 14-SOIC package (0.154" body width, 3.90 mm). The supplier device package is 14-SOIC, which is the standard SOIC-14 footprint. No special handling beyond standard SMD reflow profiles.