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OT: Has anyone used 74HC595 and 74HC165 with shared clk,data

 
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treitmey



Joined: 23 Jan 2004
Posts: 1094
Location: Appleton,WI USA

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OT: Has anyone used 74HC595 and 74HC165 with shared clk,data
PostPosted: Fri Dec 01, 2006 11:18 am     Reply with quote

Has anyone used (1)74HC595 and (2)74HC165 with shared clk and data and with seperate enables/strobes??
like ...
http://web.archive.org/web/20051126053542/homepages.which.net/~paul.hills/Software/ShiftRegister/ShiftRegisterCircuitDiagram.png
The data out is feed into data in of next chip. last data out is looped around through a 10k res. back to the input

I tried to hook one up on the bench using the drivers from CCS and I am seeing a glitch on bits 1 and 8.
I figure there is an extra clocking out or in of data.
edited with updated link from pcm. Thank you Peabody. Wink


Last edited by treitmey on Fri Dec 01, 2006 12:17 pm; edited 3 times in total
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Fri Dec 01, 2006 12:05 pm     Reply with quote

He, or someone, has tried to eradicate those pages by having them
removed from the Google cache. However they're still in the Yahoo
cache but without the images.

I checked further and it's all in the Wayback Machine.
Here's the page you want.
http://web.archive.org/web/20041209003715/homepages.which.net/~paul.hills/Software/ShiftRegister/ShiftRegister.html

Here's the history of his website.
http://web.archive.org/web/*/http://homepages.which.net/~paul.hills/
(The link above doesn't show properly because of the asterisk, but paste
it into your browser and you'll get it). Click on the link for April 28, 2006
to get his latest entire website.

This is what's cool about the net. Someone tries to eradicate knowledge,
but they can't. It lives on.
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