MPC8347ECZUAGFB datasheet(8/99 Pages) FREESCALE

Part #	MPC8347ECZUAGFB

Description	MPC8347EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications

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MPC8347EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 12

8

Freescale Semiconductor

Electrical Characteristics

2.1.2

Power Supply Voltage Specification

Table 2 provides the recommended operating conditions for the MPC8347EA. Note that the values in

Table 2 are the recommended and tested operating conditions. Proper device operation outside these

conditions is not guaranteed.

Figure 2 shows the undershoot and overshoot voltages at the interfaces of the MPC8347EA.

Figure 2. Overshoot/Undershoot Voltage for GVDD/OVDD/LVDD

Table 2. Recommended Operating Conditions

Parameter

Symbol

Recommended

Value

Unit

Notes

Core supply voltage for 667-MHz core frequency

VDD

1.3 V ± 60 mV

V

1

Core supply voltage

VDD

1.2 V ± 60 mV

V

1

PLL supply voltage for 667-MHz core frequency

AVDD

1.3 V ± 60 mV

V

1

PLL supply voltage

AVDD

1.2 V ± 60 mV

V

1

DDR and DDR2 DRAM I/O voltage

GVDD

2.5 V ± 125 mV

1.8 V ± 90 mV

V—

Three-speed Ethernet I/O supply voltage

LVDD1

3.3 V ± 330 mV

2.5 V ± 125 mV

V—

Three-speed Ethernet I/O supply voltage

LVDD2

3.3 V ± 330 mV

2.5 V ± 125 mV

V—

PCI, local bus, DUART, system control and power

management, I2C, and JTAG I/O voltage

OVDD

3.3 V ± 330 mV

V

—

Note:

1 GV

DD, LVDD, OVDD, AVDD, and VDD must track each other and must vary in the same direction—either in the positive or

negative direction.

GND

GND – 0.3 V

GND – 0.7 V

Not to Exceed 10%

G/L/OVDD + 20%

G/L/OVDD

G/L/OVDD + 5%

of tinterface

1

1. tinterface refers to the clock period associated with the bus clock interface.

VIH

VIL

Note:

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