SUMMIT Microelectronics: Product Guide: SMS2902/SMS2904/SMS2916 Product Summary

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SMS2902/SMS2904/SMS2916 BLOCK DIAGRAM SMS2902/SMS2904/SMS2916 PIN CONFIGURATION - 8-PIN SOIC

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SMS2902/SMS2904/SMS2916 Voltage Supervisory Circuit With Watchdog Timer FEATURES Precision Voltage Monitor VCC Supply Monitor - Complementary reset outputs for complex microcontroller systems - Integrated memory write lockout function - No external components required Watchdog Timer - 1600 ms, internal Two Wire Serial Interface (I2C™) Extended Programmable Functions available on SMS24 High Reliability - Endurance: 100,000 erase/write cycles - Data retention: 100 years 8-Pin SOIC Packages

OVERVIEW The SMS29xx is a power supervisory circuit that monitors VCC and will generate complementary reset outputs. The reset pins also act as I/Os and may be used for signal conditioning. The SMS29xx also has an on-board watchdog timer. The SMS29xx integrates a nonvolatile serial memory. It features the industry standard I2C serial interface allowing quick implementation in an end-users' system. [continued in the PDF]

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SUMMIT Microelectronics, Inc. reserves the right to make changes to the products contained in this publication in order to improve design, performance or reliability. SUMMIT Microelectronics, Inc. assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representation that the circuits are free of patent infringement. Charts and schedules contained herein reflect representative operating parameters, and may vary depending upon a user's specific application. While the information in this publication has been carefully checked, SUMMIT Microelectronics, Inc. shall not be liable for any damages arising as a result of any error or omission. SUMMIT Microelectronics, Inc. does not recommend the use of any of its products in life support or aviation applications where the failure or malfunction of the product can reasonably be expected to cause any failure of either system or to significantly affect their safety or effectiveness. Products are not authorized for use in such applications unless SUMMIT Microelectronics, Inc. receives written assurances, to its satisfaction, that: (a) the risk of injury or damage has been minimized; (b) the user assumes all such risks; and (c) potential liability of SUMMIT Microelectronics, Inc. is adequately protected under the circumstances. Revision 5.1 - This document supersedes all previous versions. Please check the Summit Microelectronics, Inc. web site at www.summitmicro.com for data sheet updates. I2C is a trademark of Philips Corporation.