MCF5271CVM150 查看數據表（PDF） - Freescale Semiconductor

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MCF5271CVM150

Integrated Microprocessor Hardware Specification

Freescale Semiconductor 

Electrical Characteristics

TA= Ambient Temperature, °C

ΘJMA= Package Thermal Resistance, Junction-to-Ambient, °C/W

PD= PINT + PI/O

PINT= IDD × VDD, Watts - Chip Internal Power

PI/O= Power Dissipation on Input and Output Pins — User Determined

For most applications PI/O < PINT and can be ignored. An approximate relationship between PD

and TJ (if PI/O is neglected) is:

PD = K ÷ (TJ + 273°C) (2)

Solving equations 1 and 2 for K gives:

K = PD × (TA + 273 °C) + ΘJMA × PD 2 (3)

where K is a constant pertaining to the particular part. K can be determined from equation (3)

by measuring PD (at equilibrium) for a known TA. Using this value of K, the values of PD and

TJ can be obtained by solving equations (1) and (2) iteratively for any value of TA.

7.3 DC Electrical Specifications

Table 9. DC Electrical Specifications1

Characteristic

Core Supply Voltage

Pad Supply Voltage

PLL Supply Voltage

Input High Voltage

Input Low Voltage

Input Hysteresis

Input Leakage Current

Vin = VDD or VSS, Input-only pins

High Impedance (Off-State) Leakage Current

Vin = VDD or VSS, All input/output and output pins

Output High Voltage (All input/output and all output pins)

IOH = –5.0 mA

Output Low Voltage (All input/output and all output pins)

IOL = 5.0mA

Weak Internal Pull Up Device Current, tested at VIL Max.2

Input Capacitance 3

All input-only pins

All input/output (three-state) pins

Symbol

Min

VDD

OVDD

VDDPLL

VIH

VIL

VHYS

Iin

1.4

3.0

3.0

0.7 × OVDD

VSS – 0.3

0.06 × OVDD

–1.0

IOZ

–1.0

VOH

OVDD - 0.5

VOL

—

IAPU

–10

Cin

—

—

Typical

—

—

—

—

—

—

—

—

—

—

—

—

Max

Unit

1.6

V

3.6

V

3.6

V

3.65

V

0.35 × OVDD V

—

mV

1.0

μA

1.0

μA

—

V

0.5

V

– 130

μA

pF

7

7

MCF5271 Integrated Microprocessor Hardware Specification, Rev. 4

Freescale Semiconductor

19

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