440SP datasheet(64/85 Pages) AMCC

64 / 85 page

PowerPC 440SP Embedded Processor

AMCC Proprietary

Revision 1.23 - Sept 26, 2006

Data Sheet

Table 8. Package Thermal Specifications

Thermal resistance values for the PPC440SP package in a convection environment are as follows:

Parameter

Symbol

Airflow

ft/min (m/sec)

Unit

Notes

0 (0)

100 (0.51)

200 (1.02)

Junction-to-case thermal resistance

0.6

°C/W

Case-to-ambient thermal resistance (w/o heat sink)

15.5

13.1

11.9

°C/W

Range

Minimum

Maximum

Junction-to-ball (typical)

6.5

°C/W

Notes:

1. Case temperature, TC, is measured at top center of case surface with device soldered to circuit board. For this part the junction

temperature and the case temperature are essentially identical.

2. The case-to-ambient thermal resistance is measured in a JEDEC JESD51-6 standard environment; and may not accurately

predict thermal performance in production equipment environments. The operational case temperature must be maintained.

3. 6.5 °C/W is the theoretical

JB using an infinite heat sink. The larger number applies to the module mounted on a 1.8 mm thick,

2P card using 1oz. copper power planes, with an effective heat transfer area of 75mm2.

Table 9. Recommended DC Operating Conditions (Sheet 1 of 3)

Device operation beyond the conditions specified is not recommended. Extended operation beyond the recommended

conditions can affect device reliability.

Parameter

Symbol

Minimum

Typical

Maximum

Unit

Notes

Logic Supply Voltage 533 MHz

VDD

+1.4

+1.5

+1.6

Logic Supply Voltage 667 MHz

VDD

+1.425

+1.5

+1.575

I/O Supply Voltage

OVDD

+3.0

+3.3

+3.6

PCI-X I/O Supply Voltage

PCI-X DDR

PxVDD

+3.0

1.425

+3.3

1.5

+3.6

1.575

Voltage Reference Input for PCI-X DDR mode 2

PCIX0VRef0:1

+1.425

+1.5

+1.575

DDR1 SDRAM Supply Voltage

DDR2 SDRAM

SVDD

+2.3

1.7

+2.5 (2.6)

1.8

+2.7

1.9

System PLL Supply Voltages

AxVDD

+1.4

+1.5

+1.6

PCI-X PLL Supply Voltages

APxVDD

+1.4

+1.5

+1.6

DDR1 SDRAM Reference Voltage

SVREF

+1.15

+1.25

+1.35

DDR2 SDRAM Reference Voltage

SVREF

0.49 x SVDD

0.50 x SVDD

0.51 x SVDD

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