DSP56309/D 데이터 시트보기 (PDF) - Motorola => Freescale

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DSP56309/D

24-Bit Digital Signal Processor

Motorola => Freescale 

Chapter 2

Specifications

Freescale Semiconductor, Inc.

2.1 Introduction

The DSP56309 is fabricated in high-density CMOS with Transistor-Transistor Logic (TTL) compatible

inputs and outputs.

Note: The DSP56309 specifications are preliminary and are from design simulations, and may not be

fully tested or guaranteed. Finalized specifications will be published after full characterization

and device qualifications are complete.

2.2 Maximum Ratings

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 is enhanced if

unused inputs are tied to an appropriate logic

voltage level (for example, either GND or VCC).

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 never occurs 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.

2-1

For More Information On This Product,

Go to: www.freescale.com

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