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S93462SAT Datasheet(PDF) 1 Page - Summit Microelectronics, Inc. |
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S93462SAT Datasheet(HTML) 1 Page - Summit Microelectronics, Inc. |
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1 / 14 page  © SUMMIT MICROELECTRONICS, Inc. 2001 • 300 Orchard City Drive, Suite 131 • Campbell, CA 95008 • Telephone 408-378-6461 • Fax 408-378-6586 • www.summitmicro.com 1 S93462/S93463 Characteristics subject to change without notice Precision Supply-Voltage Monitor and Reset Controller SUMMIT MICROELECTRONICS, Inc. 2021 4.2 1/23/01 FEATURES • Precision Monitor & RESET Controller — RESET and RESET Outputs — Guaranteed RESET Assertion to VCC = 1V — 150ms Reset Pulse Width — Internal 1.26V Reference with ±1% Accuracy — ZERO External Components Required • Memory — 1K-bit Microwire Memory — S93462 – Internally Ties ORG Low – 100% Compatible With all 8-bit Implementations – Sixteen Byte Page Write Capability — S93463 – Internally Ties ORG High – 100% Compatible With all 16-bit Implementations – Eight Word Page Write Capability OVERVIEW The S93462 and S93463 are precision power supervi- sory circuits providing both active high and active low reset outputs. Both devices have 1k-bits of E2PROM memory that is accessible via the industry standard microwire bus. The S93462 is configured with an internal ORG pin tied low providing a 8-bit byte organization and the S93463 is configured with an internal ORG pin tied high providing a 16-bit word organization. Both the S93462 and S93463 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. BLOCK DIAGRAM + – GND VCC 8 5 RESET# 6 VTRIP RESET PULSE GENERATOR 5kHz OSCILLATOR RESET CONTROL MODE DECODE ADDRESS DECODER WRITE CONTROL DATA I/O E2PROM MEMORY ARRAY RESET 7 1.26V SK 2 DI 3 WATCHDOG TIMER CS 1 2021 T BD 2.0 DO 4 |
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