MPC8313E datasheet(11/88 Pages) FREESCALE

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MPC8313E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 0

Freescale Semiconductor

Power Characteristics

recommended to apply core voltage before IO voltage and assert PORESET before the power supplies

fully ramp up.

Power Characteristics

The estimated typical power dissipation for this family of MPC8313E devices is shown in Table 4, and

Table 5 shows the estimated typical I/O power dissipation.

Table 4. MPC8313E Power Dissipation 1

Core Frequency (MHz)

CSB Frequency (MHz)

Typical 2, 3

Maximum 2,3

Unit

267

133

680

880

333

167

820

1020

Note:

1. The values do not include I/O supply power or AVdd.

2. Typical power is based on a voltage of Vdd = 1.05V, a junction temperature of Tj = 105°C, and an artificial

smoker test.

3. These are preliminary estimates

Table 5. MPC8313E Typical I/O Power Dissipation

Interface

Parameter

GVDD

(1.8 V)

GVDD

(2.5 V)

NVDD

(3.3 V)

LVDDA/LVDDB

(3.3V)

LVDDA/LVDDB

(2.5V)

LVDDB

(3.3V)

Unit Comments

DDR 1, 60% utilzation,

50% read/write

Rs = 22

Rt = 50

single pair of clock

Capacitive Load:

Data = 8pF, Control

Address = 8pF,

Clock = 8pF

333MHz, 32 bits

—

0.355

266MHz, 32 bits

—

0.323

200MHz, 32 bits

—

0.291

DDR 2, 60% utilization,

50% read/write

Rs = 22

Rt = 75

single pair of clock

Capacitive Load:

Data = 8pF, Control

Address = 8pF,

Clock = 8pF

333MHz, 32 bits

0.266

—

266MHz, 32 bits

0.246

—

200MHz, 32bits

0.225

—

PCI I/O load = 50pF

33 MHz

0.120

66 MHz

0.249

Local bus I/O

load = 20pF

66 MHz

0.056

50 MHz

0.040

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