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MAX6301CUA Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6301CUA Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 12 page _______________General Description The MAX6301/MAX6302/MAX6303/MAX6304* low- power microprocessor (µP) supervisory circuits provide maximum adjustability for reset and watchdog functions. The reset threshold can be adjusted to any voltage above 1.22V, using external resistors. In addition, the reset and watchdog timeout periods are adjustable using external capacitors. A watchdog select pin extends the watchdog timeout period to 500x. The reset function features immunity to power-supply transients. These four devices differ only in the structure of their reset outputs (see Selector Guide). The MAX6301–MAX6304 are available in the space-saving 8-pin µMAX package, as well as 8-pin DIP/SO. ________________________Applications Medical Equipment Embedded Controllers Intelligent Instruments Critical µP Monitoring Portable Equipment Set-Top Boxes Battery-Powered Computers Computers/Controllers ____________________________Features o Adjustable Reset Threshold o Adjustable Reset Timeout o Adjustable Watchdog Timeout o 500x Watchdog Timeout Multiplier o 4µA Supply Current o RESET or RESET Output Options o Push/Pull or Open-Drain Output Options o Guaranteed RESET Asserted At or Above VCC = 1V (MAX6301/MAX6303) o Power-Supply Transient Immunity o Watchdog Function Can Be Disabled o DIP/SO/µMAX Packages Available +5V, Low-Power µP Supervisory Circuits with Adjustable Reset/Watchdog ________________________________________________________________ Maxim Integrated Products 1 0.1µF MAX6301 MAX6302 MAX6303 MAX6304 VCC RESET IN VIN CSWT CSRT SRT GND SWT WDI WDS RESET µP I/O RESET (RESET) R2 R1 RL RL MAX6301 ONLY MAX6302 ONLY 8 7 6 5 1 2 3 4 WDS = 0 FOR NORMAL MODE WDI = 1 FOR EXTENDED MODE ( ) ARE FOR MAX6302/MAX6304. __________________Pin Configuration 1 2 8 7 VCC RESET (RESET) WDI WDS RESET IN GND SRT SWT MAX6301 MAX6302 MAX6303 MAX6304 DIP/SO/ µMAX TOP VIEW 3 4 6 5 ( ) ARE FOR MAX6302/MAX6304. __________Typical Operating Circuit 19-1078; Rev 0; 6/96 PART MAX6301CPA MAX6301CSA MAX6301CUA 0°C to +70°C 0°C to +70°C 0°C to +70°C TEMP. RANGE PIN-PACKAGE 8 Plastic DIP 8 SO 8 µMAX ______________Ordering Information Ordering Information continued at end of data sheet. For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 MAX6301EPA MAX6301ESA -40°C to +85°C -40°C to +85°C 8 Plastic DIP 8 SO _____________________Selector Guide FEATURE MAX6301 MAX6302 MAX6303 MAX6304 Active-Low Reset — — Active-High Reset — — Open-Drain Reset Output — — Push/Pull Reset Output — — Pins-Package 8-DIP/SO/ µMAX 8-DIP/SO/ µMAX 8-DIP/SO/ µMAX 8-DIP/SO/ µMAX * Patents pending |
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