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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SMS44G 데이터시트(PDF) 1 Page - Summit Microelectronics, Inc. |
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SMS44G 데이터시트(HTML) 1 Page - Summit Microelectronics, Inc. |
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1 / 16 page  1 Characteristics subject to change without notice 2047 2.3 10/23/00 EOL 12/16/05 SMS44 SUMMIT MICROELECTRONICS, Inc. ©SUMMIT MICROELECTRONICS, Inc., 2000 • 300 Orchard City Dr., Suite 131 • Campbell, CA 95008 • Phone 408-378-6461 • FAX 408-378-6586 • www.summitmicro.com NOTE: THIS PRODUCT HAS REACHED END OF LIFE ! ! ! ! ! Operational from any of four Voltage Monitoring Inputs ! ! ! ! ! Programmability allows monitoring any voltage between 0.9V and 6.0V with NO external components ! ! ! ! ! Programmable Watchdog Timer ! ! ! ! ! Programmable Longdog™ Timer ! ! ! ! ! Programmable Reset Pulse Width ! ! ! ! ! Programmable Power-up sequencing ! ! ! ! ! Programmable Nonvolatile Combinatorial Logic for generation of reset and interrupt outputs ! ! ! ! ! Fault Status Register Highly Programmble Voltage Supervisory Circuit FUNCTIONAL BLOCK DIAGRAM FEATURES INTRODUCTION The SMS44 is a highly programmable voltage supervisory circuit designed specifically for advanced systems need- ing to monitor multiple voltages. The SMS44 can monitor four separate voltages without the need of any external voltage divider circuitry The SMS44 watchdog timer has a user programmable timeout period and it can be placed in an idle mode for system initialization or system debug. All of the functions are user accessible through an industry standard 2-wire serial interface. 2047 BD 1.0 + – REF NV DAC + – REF NV DAC + – REF NV DAC + – REF NV DAC RESET IRQ RESET IRQ RESET IRQ V0 16 V1 2 V2 3 V3 14 MR# 1 PROGRAMMABLE WATCHDOG TIMER PROGRAMMABLE LONGDOG TIMER PROGRAMMABLE RESET PULSE GENERATOR SERIAL BUS CONTROL LOGIC 4K-BIT NV MEMORY RESET# PUP#1 11 5 4 SDA IRQ# WLDI 9 15 10 PUP#2 PUP#3 13 SCL A2 7 6 A1 CONFIGURATION REGISTER CONFIGURATION REGISTER GND 8 RESET IRQ 12 PROGRAMMABLE POWER SEQUENCING |
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