Re: CD4013 Vdd?

From: Tim Wescott (tim_at_wescottnospamdesign.com)
Date: 11/10/04 

Date: Tue, 09 Nov 2004 16:26:41 -0800

Jim Thompson wrote:
> On Tue, 09 Nov 2004 18:06:44 -0500, Mark Jones <abuse@127.0.0.1>
> wrote:
>
>
>> Question, the CMOS 4013 flip-flop data*** says Vdd can be -0.5 to
>>+18v, and recommended operating range is from 3.0v to 15v. But will it
>>operate at 2.0v? Speed is not an issue.
>>
>>http://www.megatronics.lk/data/4000/hcf4013.pdf
>>
>>-M
>
>
> Probably. All you can do is try it. My experience is that CMOS will
> usually operate right down to a supply equal to two thresholds, or
> about 1.5V. It _will_ be _slow_.
>
> ...Jim Thompson

The only problem being that if you get it into production and it doesn't
work the way your samples did the manufacturer will say "tough s---,
you're running it out of spec". 

-- 
Tim Wescott
Wescott Design Services
http://www.wescottdesign.com
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