82S129
From
256*4 +------+ A6 |1 16| Vcc A5 |2 15| A7 A4 |3 14| CE2/ A3 |4 13| CE1/ A0 |5 12| O1 A1 |6 11| O2 A2 |7 10| O3 GND|8 9| O4 +------+ Signetics MMI TI Harris Raytheon AMD National Intel Fujitsu --------- --- -- ------ -------- --- -------- ----- ------- 82S129 6301 24S10 7611-5 29661 27S21 74S287 3621 7052