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74HC595 74HC165 using same 3 pins

 
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treitmey



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

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74HC595 74HC165 using same 3 pins
PostPosted: Wed Apr 06, 2005 11:28 am     Reply with quote
Can I use (2)74HC595 and (2)74HC165 using same 3 pins??
1.clk 2.data 3.enable

How would they be wired?
I found this on the web? Anyone use this?
http://www.protean-logic.com/Applications/an009/an009.htm
Humberto



Joined: 08 Sep 2003
Posts: 1215
Location: Buenos Aires, La Reina del Plata

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PostPosted: Wed Apr 06, 2005 11:52 am     Reply with quote
Yes you can connect Clk and Data to both IC
without sharing the CE (chip enable)
You must wire a dedicated line for every CE

Keep well,

Humberto
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