Re: gEDA-user: SC70-6, which is pin 1?

2011-04-01 Thread yamazakir2
Just fired up the board, the bottom left was in fact pin 1. On Fri, Apr 1, 2011 at 10:12 AM, Joe Chisolm - Gmail wrote: >  If the lot marking is oriented so you can read it pin 1 should be lower > left but verify from the tape reel. Look at page 15 of > > http://focus.ti.com/lit/an/szza021c/szza0

Re: gEDA-user: SC70-6, which is pin 1?

2011-04-01 Thread Joe Chisolm - Gmail
If the lot marking is oriented so you can read it pin 1 should be lower left but verify from the tape reel. Look at page 15 of http://focus.ti.com/lit/an/szza021c/szza021c.pdf The basic rules are (from page 15): Component orientation in the carrier-tape pocket is governed by EIA-783, which s

Re: gEDA-user: SC70-6, which is pin 1?

2011-04-01 Thread Steven Michalske
On Apr 2, 2011, at 12:35 AM, yamazakir2 wrote: > The datasheet is pretty ambiguous, take a look and let me know what > you guys think: > > http://focus.ti.com/lit/ds/symlink/sn74lvc1g3157.pdf Page 1 and 18 show dip ordering. And the index mark refers to the bar on the top. So placing the

Re: gEDA-user: SC70-6, which is pin 1?

2011-04-01 Thread yamazakir2
The datasheet is pretty ambiguous, take a look and let me know what you guys think: http://focus.ti.com/lit/ds/symlink/sn74lvc1g3157.pdf On Fri, Apr 1, 2011 at 5:21 AM, Cullen Newsom wrote: >   Have you got a part number for it? What's inside? You could use a DMM >   to confirm, if you consider

Re: gEDA-user: SC70-6, which is pin 1?

2011-04-01 Thread Cullen Newsom
Have you got a part number for it? What's inside? You could use a DMM to confirm, if you consider its internals. Your guess of bottom left seems reasonable. -CN On Fri, Apr 1, 2011 at 4:13 AM, yamazakir2 <[1]yamazak...@gmail.com> wrote: I'm guessing based off that mark the

Re: gEDA-user: SC70-6, which is pin 1?

2011-04-01 Thread Duncan Drennan
> I'm guessing based off that mark the bottom left pin is pin 1. The > datasheet isn't clear. Does anybody know for sure if thats pin 1? Yes, bottom left is pin 1. ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/

Re: gEDA-user: SC70-6, which is pin 1?

2011-04-01 Thread Stephen Trier
It's hard to be sure from the picture, though my best guess matches yours. If you want to be sure, take a look in the data sheet for the package markings section. It will tell you what to look for. Stephen ___ geda-user mail

gEDA-user: SC70-6, which is pin 1?

2011-04-01 Thread yamazakir2
I'm guessing based off that mark the bottom left pin is pin 1. The datasheet isn't clear. Does anybody know for sure if thats pin 1? <> ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user