MPC8544E datasheet(9/117 Pages) FREESCALE

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MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5

Freescale Semiconductor

Electrical Characteristics

2.1.2

Recommended Operating Conditions

Table 2 provides the recommended operating conditions for this device. Note that the values in Table 2 are

the recommended and tested operating conditions. Proper device operation outside these conditions is not

guaranteed.

DDR and DDR2 DRAM I/O voltage

GVDD

–0.3 to 2.75

–0.3 to 1.98

V—

Three-speed Ethernet I/O, MII management voltage

LVDD (eTSEC1)

–0.3 to 3.63

–0.3 to 2.75

V—

TVDD (eTSEC3)

–0.3 to 3.63

–0.3 to 2.75

V—

PCI, DUART, system control and power management, I2C, and

JTAG I/O voltage

OVDD

–0.3 to 3.63

—

Local bus I/O voltage

BVDD

–0.3 to 3.63

–0.3 to 2.75

–0.3 to 1.98

V—

Input voltage

DDR/DDR2 DRAM signals

MVIN

–0.3 to (GVDD + 0.3)

DDR/DDR2 DRAM reference

MVREF

–0.3 to (GVDD + 0.3)

Three-speed Ethernet signals

LVIN

TVIN

–0.3 to (LVDD + 0.3)

–0.3 to (TVDD + 0.3)

Local bus signals

BVIN

–0.3 to (BVDD + 0.3)

—

DUART, SYSCLK, system control and power

management, I2C, and JTAG signals

OVIN

–0.3 to (OVDD + 0.3)

PCI

OVIN

–0.3 to (OVDD + 0.3)

Storage temperature range

TSTG

–55 to 150

°C—

Notes:

1. Functional and tested operating conditions are given in Table 2. Absolute maximum ratings are stress ratings only, and

functional operation at the maximums is not guaranteed. Stresses beyond those listed may affect device reliability or cause.

2. (M,L,O)VIN, and MVREF may overshoot/undershoot to a voltage and for a maximum duration as shown in Figure 2.

Table 2. Recommended Operating Conditions

Characteristic

Symbol

Recommended

Value

Unit

Notes

Core supply voltage

VDD

1.0 ± 50 mV

—

PLL supply voltage

AVDD

1.0 ± 50 mV

Core power supply for SerDes transceivers

SVDD

1.0 ± 50 mV

—

Pad power supply for SerDes transceivers

XVDD

1.0 ± 50 mV

—

DDR and DDR2 DRAM I/O voltage

GVDD

2.5 V ± 125 mV

1.8 V ± 90 mV

Table 1. Absolute Maximum Ratings1 (continued)

Characteristic

Symbol

Max Value

Unit

Notes

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