The present invention, in addition to the number of connections required for the specified functions of an ASIC, provides an application specific module ASIC that has additional connections as spares for subsequent modification. Buffers, boundary scan devices and, possibly, basic logic function, are...http://www.google.com.hk/patents/US6742150?utm_source=gb-gplus-share專利 US6742150 - Low redesign application-specific module
