Part Number: 129AK883B (Ne) Part Number: 129AKHR (Ne) Part Number: 129AKHRD (Ne) Part Number: 129AL (In stock) Part Number: 129AM (At&t microelectronics) Part Number: 129AN (National semiconductor) Part Number: 129AOR1 (Ne) Part Number: 129AOR1120C (Ne) Part Number: 129AP (Silicnx) Part Number: 129AP883 (Ne) Part Number: 129AP883B (Ne) Part Number: 129AP883L (Ne) Part Number: 129APDSIL (Ne) Part Number: 129AR-901 (Stancor / white rodgers)