Today, most VLSI integrated circuits are 1149.1 compliant, but some of the smaller chips may not be, or the inclusion of JTAG may be optional. Wherever there is an option, ensure that the version with boundary scan is included. Avoid components with dual function connections Wherever possible ...
4.A multi-die test system comprising:a plurality of JTAG (Joint Test Action Group) controllers coupled to form a single package, wherein each JTAG controller is associated with a die and each die includes a unique internal die identification (ID);a master/slave selector input for each of ...