Texas-instruments TMS320C6454 Uživatelský manuál stáhnout pdf (Strana 217)

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PRODUCT PREVIEW

8 Mechanical Data

8.1 Thermal Data

8.2 Packaging Information

TMS320C6454

Fixed-Point Digital Signal Processor

SPRS311A – APRIL 2006 – REVISED DECEMBER 2006

Table 8-1 shows the thermal resistance characteristics for the PBGA - ZTZ/GTZ mechanical package.

Table 8-1. Thermal Resistance Characteristics (S-PBGA Package) [ZTZ/GTZ]

NO. °C/W AIR FLOW

(m/s

(1)

)

1 R Θ

Junction-to-case 1.45 N/A

2 R Θ

Junction-to-board 8.34 N/A

3 16.1 0.00

4 13.0 1.0

R Θ

Junction-to-free air

5 11.9 2.0

6 10.7 3.0

0.37 0.00

0.89 1.0

7 Psi

Junction-to-package top

1.01 1.5

1.17 3.00

7.6 0.00

6.7 1.0

8 Psi

Junction-to-board

6.4 1.5

5.8 3.00

(1) m/s = meters per second

The following packaging information reflects the most current released data available for the designated

device(s). This data is subject to change without notice and without revision of this document.

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Texas-instruments TMS320C6454 Uživatelský manuál Strana 217