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Author Topic: [Req.] Bidirectional Analog Switch  (Read 998 times)
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puta
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« on: September 13, 2008, 12:32:30 00:32 »

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 13, 2008, 12:53:07 00:53 by puta » Logged
mylogin
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« Reply #1 on: September 13, 2008, 02:53:39 02:53 »

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, 03:59:40 03:59 »

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, 04:01:47 04:01 by kireytir » Logged

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« Reply #3 on: September 13, 2008, 07:16:15 07:16 »

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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