MPC8248VR datasheet(8/61 Pages) FREESCALE

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MPC8272 PowerQUICC II Family Hardware Specifications, Rev. 3

Freescale Semiconductor

Operating Conditions

This table lists recommended operational voltage conditions.

This SoC contains circuitry protecting against damage due to high static voltage or electrical fields;

however, it is advised that normal precautions be taken to avoid application of any voltages higher than

maximum-rated voltages to this high-impedance circuit. Reliability of operation is enhanced if unused

inputs are tied to an appropriate logic voltage level (either GND or VCC).

This figure shows the undershoot and overshoot voltage of the 60x bus memory interface of the SoC. Note

that in PCI mode the I/O interface is different.

Figure 2. Overshoot/Undershoot Voltage

Table 4. Recommended Operating Conditions1

1 Caution: These are the recommended and tested operating conditions. Proper operation outside of these conditions

is not guaranteed.

Rating

Symbol

Value

Unit

Core supply voltage

VDD

1.425 – 575

PLL supply voltage

VCCSYN

1.425 – 575

I/O supply voltage

VDDH

3.135 – 3.465

Input voltage

VIN

GND (–0.3) – 3.465

Junction temperature (maximum)

1052

2 Note that for extended temperature parts the range is (-40)

– 105Tj.

°C

Ambient temperature

0–702

°C

GND

GND – 0.3 V

GND – 1.0 V

Not to exceed 10%

GVDD

of tSDRAM_CLK

GVDD + 5%

4 V

VIH

VIL

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