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???
05/31/06 18:09
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 		 #117409 - P89C668?
Responding to: ???'s previous message
and use a P89V668 and get some RAM in the bargain.

Erik, I assume that's the part you meant? Anyway, just wondering what's with all these vary similar derivatives. The 668 sounds like an RD2 but with more SRAM (8k instead of 1k if memory serves). Is there anything else special about this part (that isn't present on the RD2)?

A really BIG product selector or spreadsheet would help isolate the subtle differences between the plethora of 8051's with only slight variations.

Curiously, on this page
http://www.semiconductors.philips.com/products/...index.html
The 668 is grayed out. I wonder what that means...

Confuse-a-Cat,
GB


List of 38 messages in thread
TopicAuthorDate
8051 optimal PCB setup            01/01/70 00:00      
   program ROM?            01/01/70 00:00      
      I object to the language            01/01/70 00:00      
   Simplest            01/01/70 00:00      
   simplest SBC schematic:            01/01/70 00:00      
   Try AT89S52            01/01/70 00:00      
   in addition            01/01/70 00:00      
      whyy not go all the way            01/01/70 00:00      
         P89C668?            01/01/70 00:00      
             but the 66x has (from memory)            01/01/70 00:00      
               So what's V mean?            01/01/70 00:00      
                  why 'V' I do not know, but they have a V            01/01/70 00:00      
                     Soft Ice            01/01/70 00:00      
                     V, + and -            01/01/70 00:00      
                        in those rare cases            01/01/70 00:00      
                  V vs C            01/01/70 00:00      
         Hasn't anybody produced a part with ...            01/01/70 00:00      
            yes            01/01/70 00:00      
               Sadly, it's not a "part"            01/01/70 00:00      
                  a faulty sort            01/01/70 00:00      
                     still no "normal" part            01/01/70 00:00      
                        it also wouldn't take much to build one            01/01/70 00:00      
                           it's a rare case            01/01/70 00:00      
                              True, fer shurr ...            01/01/70 00:00      
                                 all my designs is one of 2            01/01/70 00:00      
                                    I was just discussing that ...            01/01/70 00:00      
                                       ROM RAM swap            01/01/70 00:00      
                                          are you trolling for a food-fight again?            01/01/70 00:00      
                                             No, i DO not know, That does not mean I            01/01/70 00:00      
                                                Just a minute ...            01/01/70 00:00      
                                                   any 51's?            01/01/70 00:00      
                                                      No ... I was referring to UBICOM            01/01/70 00:00      
                                                         easy            01/01/70 00:00      
                                                            you'd think they'd do it, then            01/01/70 00:00      
                                                               they do            01/01/70 00:00      
            the fattest '51            01/01/70 00:00      
               the fattest '51            01/01/70 00:00      
                  dunno            01/01/70 00:00      

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