DSP56725 datasheet(4/48 Pages) FREESCALE

4 / 48 page

Symphony™ DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 1

Freescale Semiconductor

Electrical Characteristics

1.1

Chip-Level Conditions

Table 1 provides a quick reference to the subsections in this section.

1.1.1

Maximum Ratings

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 1. Chip-Level Conditions

For

See

Section 1.1.1, “Maximum Ratings”

on page 4

Section 1.1.2, “Thermal Characteristics”

on page 6

Section 1.1.3, “Power Requirements”

on page 6

Section 1.1.4, “DC Electrical Characteristics”

on page 7

Section 1.1.5, “AC Electrical Characteristics”

on page 8

Section 1.1.6, “Internal Clocks”

on page 8

Section 1.1.7, “External Clock Operation”

on page 9

Section 1.1.8, “Reset, Stop, Mode Select, and Interrupt Timing”

on page 10

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.

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