At 07:28 PM 9/4/97 -0700, you wrote:
>Hi,
>
>Does anyone know the difference between the multiple power and ground pins
>on the 16C74? It has two grounds and two power pins, but there isn't
>continuity between pairs. I've always connected all of them and not really
>paid much attention to the specific layout, but I'm curious if one set is
>for the analog portion of the chip and the other set digital, or whatever.

On the data sheet for the '77-ME chip, they have separate pins for Analog
Gnd (labeled AVss) and Analog power (AVdd).  Curiously, they are not
labeled as such on the '74-ME data sheet.  And they are on opposite sides
of the chip, too, which is curiouser and curiouser.

Andy

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Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865
          Hardware & Software for Industry & R/C Hobbies
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