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Sonsivri > Electronics > General Electronics (Moderators: o2, pickit2) > [Req.] Bidirectional Analog Switch
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puta
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« on: September 12, 2008, 11:32:30 23:32 »
Could anyone tell me Bidirectional analog (or TTL) switch with tristatea semiconductor IC . I need to on/off some electronic device's push button through a microcontroller, and signal could be either direction.

(I/O) < >          < > (I/O)
     o-----.  .-----o
              /
             |
             |
             o Control (Through microcontroller)

I have been serching this without success. Please help.
« Last Edit: September 12, 2008, 11:53:07 23:53 by puta » Logged
mylogin
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« Reply #1 on: September 13, 2008, 01:53:39 01:53 »
try 74cbt3383, or 74cbt3384,  or 74cbt series FET signal switch chip.
they are cheap and has very low on-resistance(5 to 7 ohms),  excellent for  analog/video/digital I/O bi-directional switch applications.  we have used it a lot in bi-directional video switch.
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MCan
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« Reply #2 on: September 13, 2008, 02:59:40 02:59 »
you can try 74HC4016 (quad bilateral switch). i used it in my gsr project and results success.

features:


more info look at attachment.
« Last Edit: September 13, 2008, 03:01:47 03:01 by kireytir » Logged
aquila non captat muscas.
MAXPAYNE
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It's a little funny......
« Reply #3 on: September 13, 2008, 06:16:15 06:16 »
Quote from: kireytir on September 13, 2008, 02:59:40 02:59
you can try 74HC4016 (quad bilateral switch). i used it in my gsr project and results success.

features:


more info look at attachment.




4066 is much better than 4016
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