89 lines
3.9 KiB
HTML
89 lines
3.9 KiB
HTML
|
|
||
|
|
<!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
|
||
|
|
|
||
|
|
<meta name="generator" content="Adobe RoboHelp 9">
|
||
|
|
<title>OR</title>
|
||
|
|
<link rel="StyleSheet" href="HtmlHelp.css" type="text/css">
|
||
|
|
<style title="hcp" type="text/css">
|
||
|
|
<!--
|
||
|
|
font.hcp1 { font-family:Arial; }
|
||
|
|
font.hcp2 { font-size:small; }
|
||
|
|
img.hcp3 { margin-top:0px;
|
||
|
|
margin-bottom:0px;
|
||
|
|
margin-left:0px;
|
||
|
|
margin-right:0px; }
|
||
|
|
p.hcp4 { font-size:10pt; }
|
||
|
|
span.hcp5 { font-weight:bold; }
|
||
|
|
td.hcp6 { vertical-align:TOP;
|
||
|
|
padding-left:1px;
|
||
|
|
padding-top:1px;
|
||
|
|
padding-right:1px;
|
||
|
|
padding-bottom:1px; }
|
||
|
|
p.hcp7 { text-align:center;
|
||
|
|
margin-bottom:0; }
|
||
|
|
-->
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body>
|
||
|
|
<h1 class="firstHeading" style="color: #008000; font-size: 18pt;">OR</h1>
|
||
|
|
<p><font face="Arial" class="hcp1"><font size="3" class="hcp2"><img src="MAIN00000189.gif" alt="MAIN00000189.gif" title="MAIN00000189.gif" width="84" height="73" border="0" class="hcp3"></font></font></p>
|
||
|
|
<p class="hcp4">A logic OR gate takes two or more logic-level
|
||
|
|
inputs and produces a single logic-level output. The OR gate behaves according
|
||
|
|
to the truth table below. The output of the OR gate will be HIGH (1) when
|
||
|
|
any input is HIGH (1). The output will be LOW (0) only when ALL inputs
|
||
|
|
are LOW (0).</p>
|
||
|
|
<p class="hcp4">The lights on the logic object design block
|
||
|
|
indicate the current state of the inputs and output. These are operational
|
||
|
|
in simulation and when online to the device.</p>
|
||
|
|
<p style="color: #333399; font-size: 10pt;"><span class="hcp5">OR
|
||
|
|
Truth Table</span></p>
|
||
|
|
<table wrapperparagraphselector="P" style="margin-top: 14pt; border-collapse: separate;
|
||
|
|
border-collapse: separate;" cellspacing="2" width="25%" border="1">
|
||
|
|
<tr>
|
||
|
|
<td class="hcp6"><p class="hcp7"><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font
|
||
|
|
color="#000000">A</font></font></font></p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7"><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font
|
||
|
|
color="#000000">B</font></font></font></p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7"><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font
|
||
|
|
color="#000000">O/P</font></font></font></p></td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td class="hcp6"><p class="hcp7"><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font
|
||
|
|
color="#000000">0</font></font></font></p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7"><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font
|
||
|
|
color="#000000">0</font></font></font></p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7"><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font
|
||
|
|
color="#000000">0</font></font></font></p></td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td class="hcp6"><p class="hcp7"><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font
|
||
|
|
color="#000000">0</font></font></font></p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7">1</p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7">1</p></td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td class="hcp6"><p class="hcp7">1</p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7"><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font
|
||
|
|
color="#000000">0</font></font></font></p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7">1</p></td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td class="hcp6"><p class="hcp7">1</p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7">1</p></td>
|
||
|
|
<td class="hcp6"><p class="hcp7">1</p></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
<p><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font
|
||
|
|
color="#333399"><span class="hcp5">Properties</span></font></font></font></p>
|
||
|
|
<p><font face="Arial" class="hcp1"><font size="3" class="hcp2"><img src="MAIN00000190.gif" alt="MAIN00000190.gif" title="MAIN00000190.gif" width="305" height="164" border="0" class="hcp3"></font></font></p>
|
||
|
|
<p class="hcp4"><span class="hcp5">Number of
|
||
|
|
Inputs</span></p>
|
||
|
|
<p style="margin-bottom: 0;"><font style="font-size: 10pt;" size="2">Sets
|
||
|
|
the number of inputs. This is selectable from 2 to 32.</font></p>
|
||
|
|
</body>
|
||
|
|
</html>
|