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TMS320C6713B Floating-Point Digital Signal Processor (Rev. A)

TMS320C6713B Floating-Point Digital Signal Processor (Rev. A)

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SPRS294 − OCTOBER 2005<br />

The following table shows the thermal resistance characteristics for the PYP mechanical package.<br />

thermal resistance characteristics (S-PQFP-G208 package) for PYP<br />

NO<br />

Junction-to-Pad<br />

Two <strong>Signal</strong>s, Two Planes (4-Layer Board) − 208-pin PYP<br />

°C/W<br />

1 RΘJP Junction-to-pad, 26 x 26 copper pad on top and bottom of PCB with solder connection and vias going to<br />

GND plane, isolated from power plane.<br />

0.2<br />

Junction-to-Package Top<br />

Two <strong>Signal</strong>s, Two Planes (4-Layer Board) − 208-pin PYP<br />

2 PsiJT Junction-to-package top, 26 x 26 copper pad on top and bottom of PCB with solder connection and vias<br />

going to GND plane, isolated from power plane.<br />

3 PsiJT Junction-to-package top, 7.5 x 7.5 copper pad on top and bottom of PCB with solder connection and<br />

vias going to GND plane, isolated from power plane.<br />

Two <strong>Signal</strong>s (2-Layer Board)<br />

4 PsiJT Junction-to-package top, 26 x 26 copper pad on top of PCB with solder connection and vias going to<br />

copper plane on bottom of board.<br />

5 PsiJT Junction-to-package top, 7.5 x 7.5 copper pad on top of PCB with solder connection and vias going to<br />

copper plane on bottom of board.<br />

Junction-to-Still Air<br />

0.18<br />

0.23<br />

0.18<br />

0.23<br />

Two <strong>Signal</strong>s, Two Planes (4-Layer Board) − 208-pin PYP<br />

6 RΘJA Junction-to-still air, 26 x 26 copper pad on top and bottom of PCB with solder connection and vias going<br />

to GND plane, isolated from power plane.<br />

7 RΘJA Junction-to-still air, 7.5 x 7.5 copper pad on top and bottom of PCB with solder connection and vias<br />

going to GND plane, isolated from power plane.<br />

13<br />

20<br />

Two <strong>Signal</strong>s (2-Layer Board)<br />

8 RΘJA Junction-to-still air, 26 x 26 copper pad on top of PCB with solder connection and vias going to copper<br />

plane on bottom of board.<br />

9 RΘJA Junction-to-still air, 7.5 x 7.5 copper pad on top of PCB with solder connection and vias going to copper<br />

plane on bottom of board.<br />

14<br />

20<br />

146 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443

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