Decimal decoder/driver — BCD-to-decimal or similar decode logic
The MM54HC42E/883 is a decimal decoder/driver, translating a 4-bit BCD input into one-of-ten active-low outputs. It belongs to the 54HC high-speed CMOS logic family, specified for the full military temperature range. The part ships in Bulk — typically tubes or trays, not tape-and-reel. This matters for pick-and-place planning; the package is not compatible with automated reel-fed assembly without manual tube-loading or tray-shuttle handling.
Active lifecycle — RoHS non-compliant legacy build
For a legacy BOM that requires a tin-lead finish (e.g., a mil-spec or high-reliability assembly), this part is a direct drop-in.