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MAX6312UK37D1-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6312UK37D1-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 16 page For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 408-737-7600 ext. 3468. General Description The MAX6305–MAX6313 CMOS microprocessor (µP) supervisory circuits are designed to monitor more than one power supply. Ideal for monitoring both 5V and 3.3V in personal computer systems, these devices assert a system reset if any of the monitored supplies falls outside the programmed threshold. Low supply current (15µA) and a small package suit them for portable applications. The MAX6305–MAX6313 are specifically designed to ignore fast transients on any monitored supply. These devices are available in a SOT23-5 package, have factory-programmed reset thresholds from 2.5V to 5.0V (in 100mV increments), and feature four power-on reset timeout periods. Applications Portable Computers Computers Controllers Intelligent Instruments Portable/Battery-Powered Equipment Multivoltage Systems: 3V/5V, 5V/12V, 5V/24V Embedded Control Systems Features o Small 5-Pin SOT23 Package o Precision Factory-Set VCC Reset Thresholds; Available in 0.1V Increments from 2.5V to 5V o Immune to Short VCC Transients o Guaranteed RESET Valid to VCC = 1V o Guaranteed Over Temperature o 8µA Supply Current o Factory-Set Reset Timeout Delay from 1ms (min) to 1120ms (min) o No External Components o Manual Reset Input o Under/Overvoltage Supply Monitoring 5-Pin, Multiple-Input, Programmable Reset ICs ________________________________________________________________ Maxim Integrated Products 1 19-1145; Rev 1; 8/98 PART† MAX6305UK00D_-T MAX6306UK_ _D_-T MAX6307UK_ _D_-T 0°C to +70°C 0°C to +70°C 0°C to +70°C TEMP. RANGE PIN-PACKAGE 5 SOT23-5 5 SOT23-5 5 SOT23-5 Ordering Information † The MAX6306/MAX6307/MAX6309/MAX6310/MAX6312/ MAX6313 are available with factory-set VCC reset thresholds from 2.5V to 5V, in 0.1V increments. Insert the desired nominal reset threshold (from Table 1) into the blanks following the letters UK. All parts also offer factory-programmed reset timeout periods. Insert the number corresponding to the desired nominal timeout period index following the “D” in the part number (D1 = 1ms min, D2 = 20ms min, D3 = 140ms min, and D4 = 1120ms min). Contact factory for availability and minimum order sizes. Ordering Information continued at end of data sheet. Pin Configurations and Typical Operating Circuit appear at end of data sheet. _______________________________________________________________Selector Table PART OPEN-DRAIN RESET OUTPUT PUSH/PULL RESET OUTPUT PUSH/PULL RESET OUTPUT FACTORY- SET RESET THRESHOLD ON VCC ADDITIONAL UNDERVOLTAGE RESET INPUTS NEGATIVE/ OVERVOLTAGE RESET INPUT MAX6305 — — — 2 — MAX6306 — — 1 — MAX6307 — — 1 MAX6308 — — — 2 — MAX6309 — — 1 — MAX6310 — — 1 MAX6311 — — — 2 — MAX6312 — — 1 — MAX6313 — — 1 MANUAL- RESET INPUT — — — — — — |
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