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DS1227

Part Number	DS1227
Manufacturer	Dallas Semiconducotr
Description	KickStarter Chip
Published	Feb 10, 2007
Detailed Description	www.DataSheet4U.com DS1227 DS1227 KickStarter Chip FEATURES • Provides PIN ASSIGNMENT VCCO2 VCCO3 VCCO1 PWRON VDCO ...
Datasheet	DS1227 PDF File

Overview

www.
DataSheet4U.
com DS1227 DS1227 KickStarter Chip FEATURES • Provides PIN ASSIGNMENT VCCO2 VCCO3 VCCO1 PWRON VDCO 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VCCO4 MODE4 SENSE INT/ACK OSCEXT BOOST ON1 ON4 RXIN RXOUT step-up regulation and microenergy management for battery-operated systems DC out for system power • Converts +3V to +6V DC input power source to +5V • “Kickstarts” system power upon detection of external stimuli: Clock/calendar alarm Sensor trip; such as from a photo diode Incoming activity to a serial port Any low-level signal transition VDCI GND ON/OFF3 OFF1 ON2/OFF2 • Shuts down microcontroller power under software control when operation complete powering of system functions • Provides 3 auxiliary power outputs for independent • Allows design of “power on demand” systems • Insures maximum life of main power source • Ideally suited for DS5000-based systems • Available in 20-pin DIP or SOIC packages • Operating temperature range of –40°C to +85°C 20-Pi...

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