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ForcePowerAlwaysOn and IC equivalence

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  • Olivier Guilyardi
    Hi, We are trying to make a slug restart after power-loss. For this purpose we want to wire the Alternative 1 as explained on:
    Message 1 of 8 , Jun 19, 2007
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      Hi,

      We are trying to make a slug restart after power-loss. For this purpose we want
      to wire the "Alternative 1" as explained on:
      http://www.nslu2-linux.org/wiki/HowTo/ForcePowerAlwaysOn

      Unfortunately, the Microchip MCP120 component is rather hard to find here in
      France (and our schedule forbids overseas ordering). But according to the wiki
      page the Dallas DS1233 is an equivalent, and we did find the DS1233-10 to be
      available for fast delivery in France.

      According to the following references, the DS1233-10 seems similar to the
      MCP120-450DI/TO:
      http://ww1.microchip.com/downloads/en/DeviceDoc/11184d.pdf
      http://docs-europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf

      But I'm no specialist of this kind of thing...

      Could anyone confirm that the DS1233-10 should be a good equivalent?

      Regards,

      --
      Olivier
    • Mark Smith
      The Dallas DS1233-10 should work fine for this. It has a different pinout than the Microchip part I used in the wiki description so just be sure to connect
      Message 2 of 8 , Jun 19, 2007
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        The Dallas DS1233-10 should work fine for this.  It has a different pinout than the Microchip part I used in the wiki description so just be sure to connect the correct pin to the appropriate points on the circuit board. Check the two data sheets you referenced to determine which pin is which.  My picture is using the -D pinout which can be found at the top of sheet one of the microchip data sheet.

         

        Mark

         


        From: nslu2-linux@yahoogroups.com [mailto:nslu2-linux@yahoogroups.com] On Behalf Of Olivier Guilyardi
        Sent: Tuesday, June 19, 2007 3:24 PM
        To: nslu2-linux@yahoogroups.com
        Subject: [nslu2-linux] ForcePowerAlwaysOn and IC equivalence

         

        Hi,

        We are trying to make a slug restart after power-loss. For this purpose we want
        to wire the "Alternative 1" as explained on:
        http://www.nslu2- linux.org/ wiki/HowTo/ ForcePowerAlways On

        Unfortunately, the Microchip MCP120 component is rather hard to find here in
        France (and our schedule forbids overseas ordering). But according to the wiki
        page the Dallas DS1233 is an equivalent, and we did find the DS1233-10 to be
        available for fast delivery in France .

        According to the following references, the DS1233-10 seems similar to the
        MCP120-450DI/ TO:
        http://ww1.microchi p.com/downloads/ en/DeviceDoc/ 11184d.pdf
        http://docs- europe.electroco mponents. com/webdocs/ 0025/0900766b800 25c80.pdf

        But I'm no specialist of this kind of thing...

        Could anyone confirm that the DS1233-10 should be a good equivalent?

        Regards,

        --
        Olivier

      • mlsmith59
        Just in case you don t know VCC is VDD and GND is VSS. ... pinout ... sure to ... board. ... which. ... sheet one ... linux@yahoogroups.com] On ... purpose we
        Message 3 of 8 , Jun 19, 2007
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          Just in case you don't know VCC is VDD and GND is VSS.

          --- In nslu2-linux@yahoogroups.com, "Mark Smith" <marksmith@...>
          wrote:
          >
          > The Dallas DS1233-10 should work fine for this. It has a different
          pinout
          > than the Microchip part I used in the wiki description so just be
          sure to
          > connect the correct pin to the appropriate points on the circuit
          board.
          > Check the two data sheets you referenced to determine which pin is
          which.
          > My picture is using the -D pinout which can be found at the top of
          sheet one
          > of the microchip data sheet.
          >
          >
          >
          > Mark
          >
          >
          >
          > _____
          >
          > From: nslu2-linux@yahoogroups.com [mailto:nslu2-
          linux@yahoogroups.com] On
          > Behalf Of Olivier Guilyardi
          > Sent: Tuesday, June 19, 2007 3:24 PM
          > To: nslu2-linux@yahoogroups.com
          > Subject: [nslu2-linux] ForcePowerAlwaysOn and IC equivalence
          >
          >
          >
          > Hi,
          >
          > We are trying to make a slug restart after power-loss. For this
          purpose we
          > want
          > to wire the "Alternative 1" as explained on:
          > http://www.nslu2- <http://www.nslu2-
          linux.org/wiki/HowTo/ForcePowerAlwaysOn>
          > linux.org/wiki/HowTo/ForcePowerAlwaysOn
          >
          > Unfortunately, the Microchip MCP120 component is rather hard to
          find here in
          > France (and our schedule forbids overseas ordering). But according
          to the
          > wiki
          > page the Dallas DS1233 is an equivalent, and we did find the DS1233-
          10 to be
          > available for fast delivery in France.
          >
          > According to the following references, the DS1233-10 seems similar
          to the
          > MCP120-450DI/TO:
          > http://ww1.microchi
          > <http://ww1.microchip.com/downloads/en/DeviceDoc/11184d.pdf>
          > p.com/downloads/en/DeviceDoc/11184d.pdf
          > http://docs-
          > <http://docs-
          europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf>
          > europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf
          >
          > But I'm no specialist of this kind of thing...
          >
          > Could anyone confirm that the DS1233-10 should be a good equivalent?
          >
          > Regards,
          >
          > --
          > Olivier
          >
        • Olivier Guilyardi
          That s good news :) Thanks for your help. Olivier
          Message 4 of 8 , Jun 20, 2007
          • 0 Attachment
            That's good news :) Thanks for your help.

            Olivier

            mlsmith59 wrote :
            > Just in case you don't know VCC is VDD and GND is VSS.
            >
            > --- In nslu2-linux@yahoogroups.com, "Mark Smith" <marksmith@...>
            > wrote:
            >> The Dallas DS1233-10 should work fine for this. It has a different
            > pinout
            >> than the Microchip part I used in the wiki description so just be
            > sure to
            >> connect the correct pin to the appropriate points on the circuit
            > board.
            >> Check the two data sheets you referenced to determine which pin is
            > which.
            >> My picture is using the -D pinout which can be found at the top of
            > sheet one
            >> of the microchip data sheet.
            >>
            >>
            >>
            >> Mark
            >>
            >>
            >>
            >> _____
            >>
            >> From: nslu2-linux@yahoogroups.com [mailto:nslu2-
            > linux@yahoogroups.com] On
            >> Behalf Of Olivier Guilyardi
            >> Sent: Tuesday, June 19, 2007 3:24 PM
            >> To: nslu2-linux@yahoogroups.com
            >> Subject: [nslu2-linux] ForcePowerAlwaysOn and IC equivalence
            >>
            >>
            >>
            >> Hi,
            >>
            >> We are trying to make a slug restart after power-loss. For this
            > purpose we
            >> want
            >> to wire the "Alternative 1" as explained on:
            >> http://www.nslu2- <http://www.nslu2-
            > linux.org/wiki/HowTo/ForcePowerAlwaysOn>
            >> linux.org/wiki/HowTo/ForcePowerAlwaysOn
            >>
            >> Unfortunately, the Microchip MCP120 component is rather hard to
            > find here in
            >> France (and our schedule forbids overseas ordering). But according
            > to the
            >> wiki
            >> page the Dallas DS1233 is an equivalent, and we did find the DS1233-
            > 10 to be
            >> available for fast delivery in France.
            >>
            >> According to the following references, the DS1233-10 seems similar
            > to the
            >> MCP120-450DI/TO:
            >> http://ww1.microchi
            >> <http://ww1.microchip.com/downloads/en/DeviceDoc/11184d.pdf>
            >> p.com/downloads/en/DeviceDoc/11184d.pdf
            >> http://docs-
            >> <http://docs-
            > europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf>
            >> europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf
            >>
            >> But I'm no specialist of this kind of thing...
            >>
            >> Could anyone confirm that the DS1233-10 should be a good equivalent?
            >>
            >> Regards,
            >>
            >> --
            >> Olivier
            >>
            >
            >
            >
            >
            >
            > Yahoo! Groups Links
            >
            >
            >
            >
          • Rod Whitby
            Olivier, The best way to show your thanks is to add that information to the wiki. -- Rod
            Message 5 of 8 , Jun 20, 2007
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              Olivier,

              The best way to show your thanks is to add that information to the wiki.

              -- Rod

              Olivier Guilyardi wrote:
              > That's good news :) Thanks for your help.
              >
              > Olivier
              >
              > mlsmith59 wrote :
              >> Just in case you don't know VCC is VDD and GND is VSS.
              >>
              >> --- In nslu2-linux@yahoogroups.com, "Mark Smith" <marksmith@...>
              >> wrote:
              >>> The Dallas DS1233-10 should work fine for this. It has a different
              >> pinout
              >>> than the Microchip part I used in the wiki description so just be
              >> sure to
              >>> connect the correct pin to the appropriate points on the circuit
              >> board.
              >>> Check the two data sheets you referenced to determine which pin is
              >> which.
              >>> My picture is using the -D pinout which can be found at the top of
              >> sheet one
              >>> of the microchip data sheet.
              >>>
              >>>
              >>>
              >>> Mark
              >>>
              >>>
              >>>
              >>> _____
              >>>
              >>> From: nslu2-linux@yahoogroups.com [mailto:nslu2-
              >> linux@yahoogroups.com] On
              >>> Behalf Of Olivier Guilyardi
              >>> Sent: Tuesday, June 19, 2007 3:24 PM
              >>> To: nslu2-linux@yahoogroups.com
              >>> Subject: [nslu2-linux] ForcePowerAlwaysOn and IC equivalence
              >>>
              >>>
              >>>
              >>> Hi,
              >>>
              >>> We are trying to make a slug restart after power-loss. For this
              >> purpose we
              >>> want
              >>> to wire the "Alternative 1" as explained on:
              >>> http://www.nslu2- <http://www.nslu2-
              >> linux.org/wiki/HowTo/ForcePowerAlwaysOn>
              >>> linux.org/wiki/HowTo/ForcePowerAlwaysOn
              >>>
              >>> Unfortunately, the Microchip MCP120 component is rather hard to
              >> find here in
              >>> France (and our schedule forbids overseas ordering). But according
              >> to the
              >>> wiki
              >>> page the Dallas DS1233 is an equivalent, and we did find the DS1233-
              >> 10 to be
              >>> available for fast delivery in France.
              >>>
              >>> According to the following references, the DS1233-10 seems similar
              >> to the
              >>> MCP120-450DI/TO:
              >>> http://ww1.microchi
              >>> <http://ww1.microchip.com/downloads/en/DeviceDoc/11184d.pdf>
              >>> p.com/downloads/en/DeviceDoc/11184d.pdf
              >>> http://docs-
              >>> <http://docs-
              >> europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf>
              >>> europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf
              >>>
              >>> But I'm no specialist of this kind of thing...
              >>>
              >>> Could anyone confirm that the DS1233-10 should be a good equivalent?
              >>>
              >>> Regards,
              >>>
              >>> --
              >>> Olivier
              >>>
              >>
              >>
              >>
              >>
              >> Yahoo! Groups Links
              >>
              >>
              >>
              >>
              >
              >
              >
              >
              > Yahoo! Groups Links
              >
              >
              >
              >
            • Olivier Guilyardi
              Hello Rob, Okay, I ll do this once it s wired and working. Olivier
              Message 6 of 8 , Jun 20, 2007
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                Hello Rob,

                Okay, I'll do this once it's wired and working.

                Olivier

                Rod Whitby wrote:
                > Olivier,
                >
                > The best way to show your thanks is to add that information to the wiki.
                >
                > -- Rod
                >
                > Olivier Guilyardi wrote:
                >> That's good news :) Thanks for your help.
                >>
                >> Olivier
                >>
                >> mlsmith59 wrote :
                >>> Just in case you don't know VCC is VDD and GND is VSS.
                >>>
                >>> --- In nslu2-linux@yahoogroups.com, "Mark Smith" <marksmith@...>
                >>> wrote:
                >>>> The Dallas DS1233-10 should work fine for this. It has a different
                >>> pinout
                >>>> than the Microchip part I used in the wiki description so just be
                >>> sure to
                >>>> connect the correct pin to the appropriate points on the circuit
                >>> board.
                >>>> Check the two data sheets you referenced to determine which pin is
                >>> which.
                >>>> My picture is using the -D pinout which can be found at the top of
                >>> sheet one
                >>>> of the microchip data sheet.
                >>>>
                >>>>
                >>>>
                >>>> Mark
                >>>>
                >>>>
                >>>>
                >>>> _____
                >>>>
                >>>> From: nslu2-linux@yahoogroups.com [mailto:nslu2-
                >>> linux@yahoogroups.com] On
                >>>> Behalf Of Olivier Guilyardi
                >>>> Sent: Tuesday, June 19, 2007 3:24 PM
                >>>> To: nslu2-linux@yahoogroups.com
                >>>> Subject: [nslu2-linux] ForcePowerAlwaysOn and IC equivalence
                >>>>
                >>>>
                >>>>
                >>>> Hi,
                >>>>
                >>>> We are trying to make a slug restart after power-loss. For this
                >>> purpose we
                >>>> want
                >>>> to wire the "Alternative 1" as explained on:
                >>>> http://www.nslu2- <http://www.nslu2-
                >>> linux.org/wiki/HowTo/ForcePowerAlwaysOn>
                >>>> linux.org/wiki/HowTo/ForcePowerAlwaysOn
                >>>>
                >>>> Unfortunately, the Microchip MCP120 component is rather hard to
                >>> find here in
                >>>> France (and our schedule forbids overseas ordering). But according
                >>> to the
                >>>> wiki
                >>>> page the Dallas DS1233 is an equivalent, and we did find the DS1233-
                >>> 10 to be
                >>>> available for fast delivery in France.
                >>>>
                >>>> According to the following references, the DS1233-10 seems similar
                >>> to the
                >>>> MCP120-450DI/TO:
                >>>> http://ww1.microchi
                >>>> <http://ww1.microchip.com/downloads/en/DeviceDoc/11184d.pdf>
                >>>> p.com/downloads/en/DeviceDoc/11184d.pdf
                >>>> http://docs-
                >>>> <http://docs-
                >>> europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf>
                >>>> europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf
                >>>>
                >>>> But I'm no specialist of this kind of thing...
                >>>>
                >>>> Could anyone confirm that the DS1233-10 should be a good equivalent?
                >>>>
                >>>> Regards,
                >>>>
                >>>> --
                >>>> Olivier
                >>>>
                >>>
                >>>
                >>>
                >>> Yahoo! Groups Links
                >>>
                >>>
                >>>
                >>>
                >>
                >>
                >>
                >> Yahoo! Groups Links
                >>
                >>
                >>
                >>
                >
                >
                >
                >
                > Yahoo! Groups Links
                >
                >
                >
                >
              • Olivier Guilyardi
                Hi, Done. It looks like the links I ve added need to be approved. Btw, the Preview button did not work. I had no choice but to save directly. Fortunately, it
                Message 7 of 8 , Jul 2, 2007
                • 0 Attachment
                  Hi,

                  Done. It looks like the links I've added need to be approved.

                  Btw, the "Preview" button did not work. I had no choice but to save directly.
                  Fortunately, it looks ok.

                  Olivier

                  Rod Whitby wrote:
                  > Olivier,
                  >
                  > The best way to show your thanks is to add that information to the wiki.
                  >
                  > -- Rod
                  >
                  > Olivier Guilyardi wrote:
                  >> That's good news :) Thanks for your help.
                  >>
                  >> Olivier
                  >>
                  >> mlsmith59 wrote :
                  >>> Just in case you don't know VCC is VDD and GND is VSS.
                  >>>
                  >>> --- In nslu2-linux@yahoogroups.com, "Mark Smith" <marksmith@...>
                  >>> wrote:
                  >>>> The Dallas DS1233-10 should work fine for this. It has a different
                  >>> pinout
                  >>>> than the Microchip part I used in the wiki description so just be
                  >>> sure to
                  >>>> connect the correct pin to the appropriate points on the circuit
                  >>> board.
                  >>>> Check the two data sheets you referenced to determine which pin is
                  >>> which.
                  >>>> My picture is using the -D pinout which can be found at the top of
                  >>> sheet one
                  >>>> of the microchip data sheet.
                  >>>>
                  >>>>
                  >>>>
                  >>>> Mark
                  >>>>
                  >>>>
                  >>>>
                  >>>> _____
                  >>>>
                  >>>> From: nslu2-linux@yahoogroups.com [mailto:nslu2-
                  >>> linux@yahoogroups.com] On
                  >>>> Behalf Of Olivier Guilyardi
                  >>>> Sent: Tuesday, June 19, 2007 3:24 PM
                  >>>> To: nslu2-linux@yahoogroups.com
                  >>>> Subject: [nslu2-linux] ForcePowerAlwaysOn and IC equivalence
                  >>>>
                  >>>>
                  >>>>
                  >>>> Hi,
                  >>>>
                  >>>> We are trying to make a slug restart after power-loss. For this
                  >>> purpose we
                  >>>> want
                  >>>> to wire the "Alternative 1" as explained on:
                  >>>> http://www.nslu2- <http://www.nslu2-
                  >>> linux.org/wiki/HowTo/ForcePowerAlwaysOn>
                  >>>> linux.org/wiki/HowTo/ForcePowerAlwaysOn
                  >>>>
                  >>>> Unfortunately, the Microchip MCP120 component is rather hard to
                  >>> find here in
                  >>>> France (and our schedule forbids overseas ordering). But according
                  >>> to the
                  >>>> wiki
                  >>>> page the Dallas DS1233 is an equivalent, and we did find the DS1233-
                  >>> 10 to be
                  >>>> available for fast delivery in France.
                  >>>>
                  >>>> According to the following references, the DS1233-10 seems similar
                  >>> to the
                  >>>> MCP120-450DI/TO:
                  >>>> http://ww1.microchi
                  >>>> <http://ww1.microchip.com/downloads/en/DeviceDoc/11184d.pdf>
                  >>>> p.com/downloads/en/DeviceDoc/11184d.pdf
                  >>>> http://docs-
                  >>>> <http://docs-
                  >>> europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf>
                  >>>> europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf
                  >>>>
                  >>>> But I'm no specialist of this kind of thing...
                  >>>>
                  >>>> Could anyone confirm that the DS1233-10 should be a good equivalent?
                  >>>>
                  >>>> Regards,
                  >>>>
                  >>>> --
                  >>>> Olivier
                  >>>>
                  >>>
                  >>>
                  >>>
                  >>> Yahoo! Groups Links
                  >>>
                  >>>
                  >>>
                  >>>
                  >>
                  >>
                  >>
                  >> Yahoo! Groups Links
                  >>
                  >>
                  >>
                  >>
                  >
                  >
                  >
                  >
                  > Yahoo! Groups Links
                  >
                  >
                  >
                  >
                • Fernando Carolo
                  ... Thanks for your work. I ve just approved the links. -- Fernando Carolo
                  Message 8 of 8 , Jul 2, 2007
                  • 0 Attachment
                    On 7/2/07, Olivier Guilyardi <ml@...> wrote:
                    > Hi,
                    >
                    > Done. It looks like the links I've added need to be approved.
                    >

                    Thanks for your work. I've just approved the links.

                    --
                    Fernando Carolo
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