diff --git a/doc/useful_addresses.html b/doc/useful_addresses.html
index 20e6a967..88abf8d0 100644
--- a/doc/useful_addresses.html
+++ b/doc/useful_addresses.html
@@ -70,6 +70,11 @@ sheets</A>
 <LI><A HREF="http://www.sis.com.tw/">Silicon Integrated Systems Corp.</A>
 <BR>SIS5595 <A HREF="http://www.sis.com.tw/products/products.htm">data
 sheets</A>
+<LI><A HREF="http://www.maxim-ic.com/">Maxim</A>
+<BR>MAX1617 data sheets
+<LI><A HREF="http://www.dalsemi.com">Dallas</A>
+<BR>DS1780 
+<A HREF="http://www.dalsemi.com/Prod_info/Thermal/index.html">data sheets</A>
 </UL>
 <LI>Other protocol information
 <UL>