DC Electrical Specifications

MCF548x Integrated Microprocessor Electrical Characteristics, Rev. 2.4

Freescale Semiconductor

3

3

DC Electrical Specifications

Table 4 lists DC electrical operating temperatures. This table is based on an operating voltage of

NOTES:

1

θ

Freescale recommends the use of

θ

junction temperatures from exceeding the rated specification. System designers should be aware that device

junction temperatures can be significantly influenced by board layout and surrounding devices. Conformance to the

device junction temperature specification can be verified by physical measurement in the customer’s system using

the

Ψ

2

Per JEDEC JESD51-6 with the board horizontal.

3

Thermal resistance between the die and the printed circuit board per JEDEC JESD51-8. Board temperature is

measured on the top surface of the board near the package.

4

Thermal resistance between the die and the case top surface as measured by the cold plate method (MIL

SPEC-883 Method 1012.1).

5

Thermal characterization parameter indicating the temperature difference between package top and the junction

temperature per JEDEC JESD51-2. When Greek letters are not available, the thermal characterization parameter

is written as Psi-JT.

Table 4. DC Electrical Specifications

Characteristic

Symbol

Min

Max

Units

External (I/O pads) operation voltage range

3.0

3.6

V

Memory (I/O pads) operation voltage range (DDR Memory)

2.30

2.70

V

NOTES:

1

1.43

1.58

V

PLL Analog operation voltage range 1

1.43

1.58

V

USB oscillator operation voltage range

3.0

3.6

V

USB digital logic operation voltage range

3.0

3.6

V

USB PHY operation voltage range

3.0

3.6

V

USB oscillator analog operation voltage range

1.43

1.58

V

USB PLL operation voltage range

1.43

1.58

V

Input high voltage SSTL 3.3V (SDR DRAM)

2.0

3.6

V

Input low voltage SSTL 3.3V (SDR DRAM)

–0.5

0.8

V

Input high voltage SSTL 2.5V (DDR DRAM)

2.0

2.8

V

Input low voltage SSTL 2.5V (DDR DRAM)

–0.5

0.8

V

2.4

—

V

5

—0.5

V

2

—TBD

pF