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Erik Malund
09/12/11 13:28
Read: 246 times
Mt Airy, Nc
USA


 		 #183722 - NXP has ....
Responding to: Per Westermark's previous message
some I²C expanders which, by the nature of the beast are bi-directional w/o direction select.

well, 5MHz is more than I²C speed, but have a look.

Erik

List of 40 messages in thread
TopicAuthorDate
Bit-configurable transceiver chips        Per Westermark      09/12/11 02:28      
   Suggesting....again...      Michael Karas      09/12/11 05:35      
      Alas 5V needed and ribbon cables are a bit "rough"      Per Westermark      09/12/11 06:54      
   Another Suggestion....      Michael Karas      09/12/11 05:59      
   level translator      Jan Waclawek      09/12/11 06:21      
      Alas, "weak output drive" and no input hysterese      Per Westermark      09/12/11 07:30      
      TI sn74gtl2010      Stefan KAnev      09/17/11 02:18      
         or NXP GTL2010,GTL2000      Stefan KAnev      09/19/11 01:24      
            looks promising      Richard Erlacher      09/21/11 22:29      
            NXP GTL20xx -> NVT20xx      Jan Waclawek      10/04/11 00:57      
         Need to read more to understand them      Per Westermark      09/20/11 02:04      
            looks like the cat's miauw      Erik Malund      09/21/11 07:45      
   NXP has ....      Erik Malund      09/12/11 13:28      
      I2C or SPI just can't get even close to the huge bandwidth      Per Westermark      09/12/11 14:01      
         nope, no I²C clocks      Erik Malund      09/12/11 14:21      
            extender, not expander      Per Westermark      09/12/11 14:37      
   I have been wondering this myself      Justin Fontes      09/12/11 16:18      
      Supported capacitance seems to be the snag      Per Westermark      09/12/11 17:23      
   Differential SPI      Jez Smith      09/16/11 09:39      
      Serial -> buffers on adapter boards is a potential solution      Per Westermark      09/16/11 14:41      
   Have you considered programmable logic?      Richard Erlacher      09/19/11 14:08      
      I had suggested this as well      Michael Karas      09/19/11 14:33      
         Yes ... I remember that ...      Richard Erlacher      09/19/11 23:43      
            Long life      Per Westermark      09/20/11 01:59      
               They seem to live a long time ...      Richard Erlacher      09/20/11 09:22      
                  Adapters      Per Westermark      09/20/11 10:16      
                     These aren't necessarily so "huge"      Richard Erlacher      09/20/11 19:52      
                        Not huge in size      Per Westermark      09/21/11 01:49      
                           Some of them can handle that.      Richard Erlacher      09/21/11 22:34      
                              Yes and no      Per Westermark      09/22/11 04:53      
                                 There are ways ...      Richard Erlacher      09/22/11 10:55      
                                    Body diodes      Per Westermark      09/22/11 16:39      
                                       serial termination ...      Erik Malund      09/23/11 07:36      
                                          Yes, current- and bandwidth-limiting components used      Per Westermark      09/23/11 08:25      
                                             you youing whippersnappers, pay attention      Erik Malund      09/23/11 11:45      
            pedantry, again      Andy Peters      09/20/11 11:13      
               What would YOU suggest?      Richard Erlacher      09/20/11 19:45      
   Here's a thought ...      Richard Erlacher      10/17/11 03:03      
      Probably      Per Westermark      10/17/11 15:51      
         I'd sugest you consider older CPLD's      Richard Erlacher      10/17/11 19:14      

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