Revision 1.23 - Sept 26, 2006
Data Sheet
PowerPC 440SP Embedded Processor
Table 8. Package Thermal Specifications
Thermal resistance values for the PPC440SP package in a convection environment are as follows:
Airflow
ft/min (m/sec)
Parameter
Symbol
Unit
Notes
0 (0)
100 (0.51)
200 (1.02)
Junction-to-case thermal resistance
θJC
θCA
0.6
0.6
0.6
°C/W
°C/W
1
2
Case-to-ambient thermal resistance (w/o heat sink)
15.5
13.1
11.9
Range
Minimum
Maximum
Junction-to-ball (typical)
θJB
6.5
6.5
°C/W
3
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 θJB using an infinite heat sink. The larger number applies to the module mounted on a 1.8mm 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
Logic Supply Voltage 533 MHz
Logic Supply Voltage 667 MHz
I/O Supply Voltage
Symbol
Minimum
+1.4
Typical
+1.5
Maximum
+1.6
Unit
V
Notes
VDD
4
4
4
VDD
+1.425
+3.0
+1.5
+1.575
+3.6
V
OVDD
+3.3
V
PCI-X I/O Supply Voltage
PCI-X DDR
+3.0
+3.3
1.5
+3.6
PxVDD
V
V
V
4
4
4
1.425
1.575
Voltage Reference Input for PCI-X DDR mode 2
PCIX0VRef0:1
SVDD
+1.425
+1.5
+1.575
DDR1 SDRAM Supply Voltage
DDR2 SDRAM
+2.3
1.7
+2.5 (2.6)
1.8
+2.7
1.9
AxVDD
APxVDD
SVREF
SVREF
System PLL Supply Voltages
PCI-X PLL Supply Voltages
+1.4
+1.4
+1.5
+1.5
+1.6
+1.6
V
V
V
V
3
3
3
DDR1 SDRAM Reference Voltage
DDR2 SDRAM Reference Voltage
+1.15
+1.25
+1.35
0.49 x SVDD
0.50 x SVDD
0.51 x SVDD
64
AMCC Proprietary
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
