I aquired a lot of small DIL14/16 PROMS ceramic package with a 8 digit number on it some of the numbers are : 2584 0821 2574 6975 2571 5418 2600 1529 1447 3581 1447 3540 2600 1495 1447 3797 2600 1487 2603 2623 2625 5562 2554 0888 2600 1495 I can't find any reference about them, so if some one recognizes the numbers or can use them let me know (I've a few hundreds of them) If no one wants them I'm going to archive them in the big metal bin. -Rik