It basically means that no new designs should be used for new design. You can get them, but maybe not for long. Sandy At 11:49 AM 6/29/98 -0700, you wrote: >Sandy wrote: >> The one thing that is on the lifetime buy is the surface mount device. > >Hi Sandy > >Have seen the life-time buy specifier on National's site - Don't >know what it means. Would someone enlighten me? Thanks. > >Jack >