哪位高人解释一下Allegro SPB 各产品的功能

ccmc

ALLEGRO AMS SIMULATOR 210
1 V0 Q! N9 Q9 u6 Z# D6 A9 ^ALLEGRO PCB DESIGNER 220
- _1 |+ J" p6 H* ^1 e6 w) ~- ^6 `; eALLEGRO DESIGN ENTRY HDL 610
3 X9 b4 ^* P+ R7 OALLEGRO PACKAGE DESIGNER 620
- ~/ \7 R# z5 A5 |ALLEGRO PACKAGE SI 620
; d* i3 h+ R* v' u+ o, O. LALLEGRO PCB DESIGNER 610
' `: y% n3 V5 d& t% b1 T' R% yALLEGRO PCB LIBRARIAN 610
) P9 Y) `. H8 a) A2 w" gALLEGRO PCB ROUTER
& `, P2 [8 U# P: k  SALLEGRO PCB SI 610
, I8 p" E2 s4 y哪位高人能详细讲解一下以上这些产品的功能和异同呢？