DSP56720 datasheet(8/54 Pages) FREESCALE

8 / 54 page

SymphonyTM DSP56720 / DSP56721 Multi-Core Audio Processors, Rev.1

Freescale Semiconductor

Electrical Characteristics

For electrical characteristics, see Table 2.

2.1

Chip-Level Conditions

For a summary of chip-level conditions in this section, see Table 3.

2.1.1

Maximum Ratings

For maximum ratings, see Table 4.

CAUTION

This device contains circuitry protecting against damage due to high static voltage or

electrical fields. However, normal precautions should be taken to avoid exceeding

maximum voltage ratings. Reliability of operation is enhanced if unused inputs are pulled

to an appropriate logic voltage level (for example, either GND or VDD). The suggested

value for a pull-up or pull-down resistor is 4.7 k

Ω.

NOTE

In the calculation of timing requirements, adding a maximum value of one specification to

a minimum value of another specification does not yield a reasonable sum. A maximum

specification is calculated using a worst case variation of process parameter values in one

direction. The minimum specification is calculated using the worst case for the same

parameters in the opposite direction. Therefore, a “maximum” value for a specification will

never occur in the same device that has a “minimum” value for another specification;

adding a maximum to a minimum represents a condition that can never exist.

Table 2. Electrical Characteristics

For

See

Section 2.1, “Chip-Level Conditions”

on page 8

Section 2.2, “Module-Level Specifications”

on page 17

Table 3. Chip-Level Conditions

For

See

Section 2.1.1, “Maximum Ratings”

on page 8

Section 2.1.2, “Thermal Characteristics”

on page 10

Section 2.1.3, “Power Requirements”

on page 10

Section 2.1.4, “DC Electrical Characteristics”

on page 11

Section 2.1.5, “AC Electrical Characteristics”

on page 12

Section 2.1.6, “Internal Clocks”

on page 12

Section 2.1.7, “External Clock Operation”

on page 13

Section 2.1.8, “Reset, Stop, Mode Select, and Interrupt Timing”

on page 14

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