ch08.5.htm
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<A NAME="pgfId=30881">
</A>
m1 width</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30883">
</A>
0.9 <SPAN CLASS="Symbol">
m</SPAN>
m </P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30885">
</A>
m2 width</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30887">
</A>
1.2 <SPAN CLASS="Symbol">
m</SPAN>
m</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30889">
</A>
m1 thickness</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30891">
</A>
0.5 <SPAN CLASS="Symbol">
m</SPAN>
m</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30893">
</A>
m2 thickness</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30895">
</A>
1.0 <SPAN CLASS="Symbol">
m</SPAN>
m</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30897">
</A>
m1 spacing</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30899">
</A>
1.0 <SPAN CLASS="Symbol">
m</SPAN>
m</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30901">
</A>
m2 spacing</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30903">
</A>
1.3 <SPAN CLASS="Symbol">
m</SPAN>
m</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30905">
</A>
D1 dielectric thickness, boron/phosphorus doped glass</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30907">
</A>
3500 Å</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30909">
</A>
D2 dielectric thickness, undoped glass</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30911">
</A>
9000 Å</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30913">
</A>
Minimum contact size</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30915">
</A>
1.0 <SPAN CLASS="Symbol">
m</SPAN>
m</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30917">
</A>
Minimum via size</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30919">
</A>
1.2 <SPAN CLASS="Symbol">
m</SPAN>
m</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30921">
</A>
Isolation oxide, FOX</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30923">
</A>
3500 Å</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableLeft">
<A NAME="pgfId=30925">
</A>
Gate oxide</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=30927">
</A>
150 Å</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="2">
<P CLASS="TableLeft">
<A NAME="pgfId=76270">
</A>
<SPAN CLASS="Emphasis">
Source:</SPAN>
AT&T Data Book, July 1992, p. 2-37 and p. 3-76, MN92-024FPGA.</P>
</TD>
</TR>
</TABLE>
<P CLASS="ExerciseHead">
<A NAME="pgfId=13300">
</A>
8.6 (Xilinx die costs, 10 min.) <A HREF="CH08.5.htm#38833" CLASS="XRef">
Table 8.12</A>
shows the AT&T ATT3000 series die information. Assume a 6-inch wafer that costs $2000 to fabricate and has a 90 percent yield. <SPAN CLASS="Bold">
(a)</SPAN>
What are the die costs? <SPAN CLASS="Bold">
(b)</SPAN>
Compare these figures to the costs of XC3020 parts in 1992 and comment.</P>
<TABLE>
<TR>
<TD ROWSPAN="1" COLSPAN="8">
<P CLASS="TableTitle">
<A NAME="pgfId=76119">
</A>
TABLE 8.12 <A NAME="38833">
</A>
ATT3000 die information (Problem 8.6).</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableFirst">
<A NAME="pgfId=76139">
</A>
<SPAN CLASS="TableHeads">
Die</SPAN>
</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableFirst">
<A NAME="pgfId=76141">
</A>
<SPAN CLASS="TableHeads">
Die height<BR>
/mils</SPAN>
</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableFirst">
<A NAME="pgfId=76143">
</A>
<SPAN CLASS="TableHeads">
Die width<BR>
/mils</SPAN>
</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableFirst">
<A NAME="pgfId=76145">
</A>
<SPAN CLASS="TableHeads">
Die area<BR>
/mils</SPAN>
<SUP CLASS="Superscript">
2</SUP>
</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableFirst">
<A NAME="pgfId=76147">
</A>
<SPAN CLASS="TableHeads">
Die area<BR>
/cm2</SPAN>
</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableFirst">
<A NAME="pgfId=76149">
</A>
<SPAN CLASS="TableHeads">
CLBs</SPAN>
</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableFirst">
<A NAME="pgfId=76151">
</A>
<SPAN CLASS="TableHeads">
Die perimeter<BR>
/mils</SPAN>
</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="TableFirst">
<A NAME="pgfId=76160">
</A>
<SPAN CLASS="TableHeads">
I/O pads</SPAN>
</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76162">
</A>
3020 </P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76164">
</A>
219.3</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76166">
</A>
183.5</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76168">
</A>
40,242</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76170">
</A>
0.26</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76172">
</A>
8 <SPAN CLASS="Symbol">
¥</SPAN>
8</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76174">
</A>
806</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76176">
</A>
74</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76178">
</A>
3030</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76180">
</A>
259.8</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76182">
</A>
215.0</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76184">
</A>
55,857</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76186">
</A>
0.36</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76188">
</A>
10 <SPAN CLASS="Symbol">
¥</SPAN>
10</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76190">
</A>
950</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76192">
</A>
98</P>
</TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76194">
</A>
3042</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76196">
</A>
295.3</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76198">
</A>
242.5</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76200">
</A>
71,610</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76202">
</A>
0.46</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76204">
</A>
12 <SPAN CLASS="Symbol">
¥</SPAN>
12</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76206">
</A>
1076</P>
</TD>
<TD ROWSPAN="1" COLSPAN="1">
<P CLASS="Table">
<A NAME="pgfId=76208">
</A>
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