What the FCT family and active status mean for a BOM line
The 74FCT240APC is a Texas Instruments octal inverting bus driver with 3-state outputs, part of the FCT (Fast CMOS TTL-compatible) logic family. It acts as a line driver for buffering and driving heavily loaded backplane or memory bus traces.
RoHS non-compliance — the one spec that decides fit
The 74FCT240APC is marked RoHS non-compliant. The package finish contains lead (Pb) above the RoHS threshold — typically tin/lead solder dip on the through-hole leads. This part fits BOMs that have a RoHS exemption (e.g., high-rel, aerospace, or legacy industrial) or that are explicitly exempted from RoHS requirements. It does not fit new designs targeting full RoHS compliance without a waiver. Bulk packaging — tube or tray, not tape-and-reel — suits through-hole assembly lines and manual insertion. The DIP footprint is standard 0.300-inch wide, 20-pin, 0.100-inch pitch.
Sourcing posture for an active, RoHS-legacy part
Because the part is RoHS non-compliant, some distribution channels may carry limited stock or require a minimum order quantity. Confirmed availability at quote time.