At 09:03 AM 1/29/98 +1300, you wrote:
>Does anyone know whether the discrete brownout circuit that MChip
>recommend i.e the transistor and zener circuit, is significantly less
>reliable than the Dallas chip, which I suppose will be much more
>precise. How much do they cost?

Low voltage zeners are not especially accurate, and the cost is probably
less of a problem.  I have a quote here for 858 pieces DS1233-5 (best
accuracy, TO-92) at 1.01 each, and that wasn't pressing the issue at all.

For the reliability it was a bargain.

Andy

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Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA
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