哪位高人解释一下Allegro SPB 各产品的功能

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ALLEGRO AMS SIMULATOR 210
ALLEGRO PCB DESIGNER 220
5 S/ C$ t' A& jALLEGRO DESIGN ENTRY HDL 610
; |7 g2 q2 J1 r- wALLEGRO PACKAGE DESIGNER 620
ALLEGRO PACKAGE SI 620
ALLEGRO PCB DESIGNER 610
! h, g0 N5 M2 ?9 G2 E5 j1 L+ ?& _! bALLEGRO PCB LIBRARIAN 610
3 b  C# B! t9 r3 ]+ UALLEGRO PCB ROUTER
$ d7 X3 [% u' l/ U  Y. `5 ^ALLEGRO PCB SI 610
& L$ A6 t$ E$ q7 n) w& x7 T哪位高人能详细讲解一下以上这些产品的功能和异同呢？