MPC826XACVR datasheet(8/52 Pages) FREESCALE

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MPC8260A PowerQUICC™ II Integrated Communications Processor Hardware Specifications, Rev. 1.1

Freescale Semiconductor

Electrical and Thermal Characteristics

Table 2 lists recommended operational voltage conditions.

NOTE: Core, PLL, and I/O Supply Voltages

VDDH, VCCSYN, and VDD must track each other and both must vary in

the same direction—in the positive direction (+5% and +0.1 Vdc) or in the

negative direction (-5% and -0.1 Vdc).

This device 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).

Figure 2 shows the undershoot and overshoot voltage of the 60x and local bus memory interface of the

MPC8280. Note that in PCI mode the I/O interface is different.

Figure 2. Overshoot/Undershoot Voltage

Table 2. Recommended Operating Conditions(1)

Notes:

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

conditions is not guaranteed.

Rating

Symbol

Value

Unit

Core supply voltage

VDD

1.7 – 1.9(2)

2. CPU frequency less than or equal to 200 MHz.

1.7–2.1(3)

3. CPU frequency greater than 200 MHz but less than 233 MHz.

1.9 –2.2(4)

4. CPU frequency greater than or equal to 233 MHz.

PLL supply voltage

VCCSYN

1.7 – 1.92

1.7–2.13

1.9–2.24

I/O supply voltage

VDDH

3.135 – 3.465

Input voltage

VIN

GND (-0.3) – 3.465

Junction temperature (maximum)

105(5)

5. Note that for extended temperature parts the range is (-40)T

– 105Tj.

°C

Ambient temperature

0–705

°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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