KMPC8250ACZUMHBC datasheet(7/62 Pages) FREESCALE

Part #	KMPC8250ACZUMHBC

Description	Hardware Specifications

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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MPC8250 Hardware Specifications, Rev. 2

Freescale Semiconductor

7

Electrical and Thermal Characteristics

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 3 shows DC electrical characteristics.

Table 3. DC Electrical Characteristics 1

Characteristic

Symbol

Min

Max

Unit

Input high voltage, all inputs except CLKIN

VIH

2.0

3.465

V

Input low voltage

VIL

GND

0.8

V

CLKIN input high voltage

VIHC

2.4

3.465

V

CLKIN input low voltage

VILC

GND

0.4

V

Input leakage current, VIN = VDDH

2

IIN

—10

µA

Hi-Z (off state) leakage current, VIN = VDDH

2

IOZ

—10

µA

Signal low input current, VIL = 0.8 V

IL

—1

µA

Signal high input current, VIH = 2.0 V

IH

—1

µA

Output high voltage, IOH = –2 mA

VOH

2.4

—

V

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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