SUMMIT Microelectronics: Product Guide: S93662/S93663 Product Summary 

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S93662/S93663 BLOCK DIAGRAM S93662/S93663 PIN CONFIGURATION 8-PIN SOIC

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S93662 and S93663 Precision Supply-Voltage Monitor and Reset Controller FEATURES Precision Monitor & RESET Controller RESET and RESET Outputs Guaranteed RESET Assertion to VCC = 1V 200ms Reset Pulse Width Internal 1.26V Reference with ±1% Accuracy ZERO External Components Required Memory 4K-bit Microwire Memory S93662 - Internally Ties ORG Low - 100% Compatible With all 8-bit Implementations S93663 - Internally Ties ORG Low - 100% Compatible With all 16-bit Implementations - Eight Word Page Write Capability

OVERVIEW The S93662 and S93663 are precision power supervisory circuits providing both active high and active low reset outputs. Both devices have 4k-bits of E2PROM memory that is accessible via the industry standard microwire bus. The S93662 is configured with an internal ORG pin tied low providing a 8-bit byte organization and the S93663 is configured with an internal ORG pin tied high providing a 16-bit word organization. Both the S93662 and S93663 have page write capability. The devices are designed for a minimum 100,000 program/erase cycles and have data retention in excess of 100 years. [continued in the PDF]

ORDERING INFORMATION

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 2.1 - This document supersedes all previous versions. Please check the Summit Microelectronics, Inc. web site at www.summitmicro.com for data sheet updates.