哪位高人解释一下Allegro SPB 各产品的功能

ccmc

allegro AMS SIMULATOR 210
9 I$ Z& Z; e: [! _+ MALLEGRO PCB DESIGNER 220
5 R% t' r$ h, B& Z7 HALLEGRO DESIGN ENTRY HDL 610
ALLEGRO PACKAGE DESIGNER 620
9 i; C/ _" _; D% ?ALLEGRO PACKAGE SI 620
ALLEGRO PCB DESIGNER 610
ALLEGRO PCB LIBRARIAN 610
ALLEGRO PCB ROUTER
ALLEGRO PCB SI 610
哪位高人能详细讲解一下以上这些产品的功能和异同呢？