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MAX6354 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6354 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 8 page For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. General Description The MAX6351–MAX6360 microprocessor (µP) supervi- sors with multiple reset voltages significantly improve system reliability and accuracy compared to separate ICs or discrete components. If any input supply voltage drops below its associated preset threshold, all reset outputs are asserted. In addition, the output(s) is valid as long as either input supply voltage remains greater than +1.0V. All devices in this series have an active-low debounced manual reset input. In addition, the MAX6358/MAX6359/ MAX6360 offer a watchdog timer input with a 46.4sec start-up timeout period and a 2.9sec timeout period. The MAX6355/MAX6356/MAX6357 offer an additional voltage monitor input to monitor a third voltage. The MAX6351 features both 3V and 5V active-low push- pull reset outputs. The MAX6353/MAX6356/MAX6359 offer a 5V active-low push-pull reset. The MAX6354/ MAX6357/MAX6360 offer a 3V active-low push-pull reset. The MAX6352/MAX6355/MAX6358’s reset is active-low open-drain. All of these devices are offered with a wide variety of voltage threshold levels, as shown in the Voltage Threshold Levels table below. They are available in 5- and 6-pin SOT23 packages and operate over the extended (-40°C to +85°C) temperature range. Applications Computers Intelligent Instruments Controllers Multivoltage Systems Portable/Battery-Powered Equipment Features o Precision Monitoring of Multiple +2.5V, +3.0V, +3.3V, and +5V Power-Supply Voltages o Precision Factory-Set Power-Supply Reset Thresholds o 20µA Supply Current o 100ms min Power-On Reset Pulse Width o Fully Guaranteed Over Temperature o Guaranteed RESET Valid to VCC5 = 1V or VCC3 = 1V o Power-Supply Transient Immunity o No External Components for Dual-Voltage Systems o Small 5- and 6-Pin SOT23 Packages o Debounced TTL/CMOS-Compatible Manual-Reset Input o Watchdog Timer 46.4sec Start-Up Timeout 2.9sec Normal Timeout o Low Cost Dual/Triple-Voltage µP Supervisory Circuits ________________________________________________________________ Maxim Integrated Products 1 19-1508; Rev 1; 10/99 * The _ _ are placeholders for the threshold voltage levels of the devices. Substitute the part number suffix in the Voltage Threshold Levels table for the desired voltage level. There are two standard versions for each of the above part numbers. All devices are available in tape-and-reel only. Ordering Information PART* MAX6351_ _UT-T MAX6352_ _UK-T MAX6353_ _UK-T -40°C to +85°C -40°C to +85°C -40°C to +85°C TEMP. RANGE PIN-PACKAGE 6 SOT23-6 5 SOT23-5 5 SOT23-5 MAX6354_ _UK-T MAX6355_ _UT-T MAX6356_ _UT-T -40°C to +85°C -40°C to +85°C -40°C to +85°C 5 SOT23-5 6 SOT23-6 6 SOT23-6 MAX6357_ _UT-T MAX6358_ _UT-T MAX6359_ _UT-T -40°C to +85°C -40°C to +85°C -40°C to +85°C 6 SOT23-6 6 SOT23-6 6 SOT23-6 MAX6360_ _UT-T -40°C to +85°C 6 SOT23-6 PART NO. SUFFIX (_ _) VCC5 NOMINAL VOLTAGE THRESHOLD (V) VCC3 NOMINAL VOLTAGE THRESHOLD (V) LT 4.63 3.08 LS LR 4.63 2.63 4.63 2.93 MT MS 4.38 2.93 MR 4.38 3.08 TY 3.08 2.19 4.38 2.63 SY 2.93 2.19 Note: Standard versions are shown in bold and have a required order increment of 2500 pieces. Sample stock is generally held on the standard versions only. The required order increment for non- standard versions is 10,000 pieces. Contact factory for availability. __________Voltage Threshold Levels Pin Configurations appear at end of data sheet. Selector Guide appears at end of data sheet. |
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