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2020 Microchip Technology Inc.

DS00003412A-page 3

UPD301B/C

Table of Contents

1.0 Preface ............................................................................................................................................................................................ 4

2.0 Introduction ..................................................................................................................................................................................... 6

3.0 Pin Descriptions and Configuration ............................................................................................................................................... 13

4.0 Functional Descriptions ................................................................................................................................................................. 18

5.0 Operational Characteristics ........................................................................................................................................................... 30

6.0 Package Information ..................................................................................................................................................................... 37

Appendix A: Data Sheet Revision History ........................................................................................................................................... 41

The Microchip Web Site ...................................................................................................................................................................... 42

Customer Change Notification Service ............................................................................................................................................... 42

Customer Support ............................................................................................................................................................................... 42

Product Identification System ............................................................................................................................................................. 43