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DS00001948C-page 3

USB2640i/USB2641i

Table of Contents

1.0 Overview ......................................................................................................................................................................................... 4

2.0 Acronyms ........................................................................................................................................................................................ 6

3.0 Block Diagrams ............................................................................................................................................................................... 7

4.0 Pin Configurations ........................................................................................................................................................................... 9

5.0 Pin Tables ..................................................................................................................................................................................... 11

6.0 Pin Descriptions ............................................................................................................................................................................ 13

7.0 Configuration Options ................................................................................................................................................................... 22

8.0 Pin Reset States ........................................................................................................................................................................... 42

9.0 DC Parameters ............................................................................................................................................................................. 46

10.0 AC Specifications ........................................................................................................................................................................ 50

11.0 Package Outline .......................................................................................................................................................................... 52

The Microchip Web Site ...................................................................................................................................................................... 56

Customer Change Notification Service ............................................................................................................................................... 56

Customer Support ............................................................................................................................................................................... 56

Product Identification System ............................................................................................................................................................. 57