<html><head></head><body>If your only running it in one direction, eg as an output, then the easiest is through a 74LS01 twice - the 7401 is a logic inverter, and can work at a much higher frequency than 19200. The logic levels on most 74 devices are such that 3.3v is more than enough to register as true logic. <br>
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Regards,<br>
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Euan deKock.<br><br><div class="gmail_quote">Adrian Woodley <Adrian@Diskworld.com.au> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">G'day PLUGers,<br /><br />A little off topic, but I'm looking for a simple CMOS to TTL buffer / <br />level converter. The plan is to use a RPi (3V3 CMOS) to control an Icom <br />IC-7400 transceiver, using the Cat C-IV interface (5V TTL). Needs to <br />handle 19200 baud.<br /><br />Cheers,<br /><br />Adrian<br /><hr /><br />PLUG discussion list: plug@plug.org.au<br /><a href="http://lists.plug.org.au/mailman/listinfo/plug">http://lists.plug.org.au/mailman/listinfo/plug</a><br />Committee e-mail: committee@plug.org.au<br />PLUG Membership: <a href="http://www.plug.org.au/membership">http://www.plug.org.au/membership</a><br /></pre></blockquote></div></body></html>