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DS1780

Dallas
Part Number DS1780
Manufacturer Dallas
Description CPU Peripheral Monitor
Published Aug 15, 2005
Detailed Description www.dalsemi.com DS1780 CPU Peripheral Monitor FEATURES § Direct-to-digital temperature sensor requires no external com...
Datasheet PDF File DS1780 PDF File

DS1780
DS1780

Overview
www.
dalsemi.
com DS1780 CPU Peripheral Monitor FEATURES § Direct-to-digital temperature sensor requires no external components or user calibration § Two fan speed sensors § Monitors 6 power supply voltages § 8-bit DAC for fan speed control § Intrusion detect for security (detects when chassis lid has been removed, even if power is off) § Remote system reset § System interrupt availability on all monitored functions (temperature, voltages, fan speed, chassis intrusion) § 2-wire interface with 2-bit addressability § Integrated NAND TREE for board level testability § Wide power supply range (2.
8V £ VDD £ 5.
75V) § High integration in a small 24-pin 173-mil TSSOP § Applications include monitoring of personal computers or any microprocessor-based system PIN ASSIGNMENT A0/NTOUT A1 SDA SCL FAN1 FAN2 CHS GNDD VDD INT VOUT/NTIN RST 1 2 3 4 5 6 7 8 9 10 11 12 24 VID0 23 VID 22 VID2 21 VID3 20 VID4 19 +VCCP1 18 +2.
5 VIN 17 +3.
3 VIN 16 +5 VIN 15 +12 VIN 14 +2.
5 VS/+VCCP2 13 GNDA DS1780E+ 24-P...


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