Active lifecycle — still on the BOM without a last-time-buy clock
The 74LS37PC is listed as Active — Texas Instruments has not issued an EOL notice, so the part remains a standard production item. No last-time-buy window to track, no forced redesign for an existing board that uses this TTL NAND gate.
TTL NAND gate in a PDIP14 — what the package and logic family mean for the board
This is a 74LS family NAND gate in a 14-pin DIP (PDIP14). The LS (Low-Power Schottky) variant draws less current than the original 74 series while maintaining TTL-compatible input thresholds — it works in a 5 V TTL backplane without level translation. The PDIP14 package is through-hole, socket-friendly, and field-replaceable with basic hand tools; no hot-air station needed. RoHS non-compliant — the leads are tin-lead solder finish. If your assembly line is RoHS-exempt (military, aerospace, or medical life-support) or you are repairing legacy equipment, this is the correct finish. For lead-free reflow, you would need the lead-free suffix variant.
The 74LS37PC is sourced through independent distribution channels. Submit an RFQ with your BOM quantity and target date.