Revision 1.26 – October 15, 2007
440EPx – PPC440EPx Embedded Processor
Preliminary Data Sheet
Table 16. DC Power Supply Loads
Typical 4
1575
60
Maximum 5
3350
Parameter
Symbol
IDD
Unit
mA
mA
mA
mA
Notes
VDD (+1.5V) active operating current
OVDD (+3.3V) active operating current
EOVDD (+2.5V) active operating current
IODD
70
IEODD
115
120
SOVDD (+1.8V) DDR2 active operating current 2
SOVDD (+2.5V) DDR1 active operating current 2
ISODD2
ISODD1
210
440
300
450
mA
AVDD (+1.5V) input current 1
EAVDD (+1.5V) active operating current
UnAVDD (+3.3V) active operating current
Notes:
IADD
IEADD
IUADD
20
20
90
30
30
mA
mA
mA
1
1
110
1. See “Absolute Maximum Ratings” on page 66 for filter recommendations.
2. SOVDD will be either +2.5V or +1.8V but not both.
3. The maximum current values listed above are not guaranteed to be the highest obtainable. These values are dependent on many
factors including the type of applications running, clock rates, use of internal functional capabilities, external interface usage, case
temperature, and the power supply voltages. Your specific application can produce significantly different results. VDD (logic) current and
power are primarily dependent on the applications running and the use of internal chip functions (DMA, PCI, Ethernet, and so on).
OVDD (I/O) current and power are primarily dependent on the capacitive loading, frequency, and utilization of the external buses.
4. Typical current is estimated at 667MHz with VDD = +1.5V, OVDD = +3.3V, EOVDD = +2.5V, SOVDD = +2.5V (DDR1) or +1.8V (DDR2),
and TC = +100°C with a typical process.
5. Maximum current is measured at 667MHz with VDD = +1.6V, OVDD = +3.45V, EOVDD = +2.6V, SOVDD = +2.6V (DDR1) or +1.9V
(DDR2), and TC = +100°C, and best-case process (which drives worst-case power).
AMCC Proprietary
71
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
