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MAX6315US43D2-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6315US43D2-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 8 page ________________General Description The MAX6315 low-power CMOS microprocessor (µP) supervisory circuit is designed to monitor power sup- plies in µP and digital systems. It provides excellent cir- cuit reliability and low cost by eliminating external components and adjustments. The MAX6315 also pro- vides a debounced manual reset input. This device performs a single function: it asserts a reset signal whenever the VCC supply voltage falls below a preset threshold or whenever manual reset is asserted. Reset remains asserted for an internally programmed interval (reset timeout period) after VCC has risen above the reset threshold or manual reset is deasserted. The MAX6315’s open-drain RESET output can be pulled up to a voltage higher than VCC. The MAX6315 comes with factory-trimmed reset thresh- old voltages in 100mV increments from 2.5V to 5V. Preset timeout periods of 1ms, 20ms, 140ms, and 1120ms (minimum) are also available. The device comes in a SOT143 package. For microcontrollers (µCs) and µPs with bidirectional reset pins, see the MAX6314 data sheet. ________________________Applications Computers Controllers Intelligent Instruments Critical µP and µC Power Monitoring Portable/Battery-Powered Equipment ____________________________Features o Small SOT143 Package o Open-Drain RESET Output Can Exceed VCC o Precision, Factory-Set VCC Reset Thresholds: 100mV Increments from 2.5V to 5V o ±1.8% Reset Threshold Accuracy at TA = +25°C o ±2.5% Reset Threshold Accuracy Over Temp. o Four Reset Timeout Periods Available: 1ms, 20ms, 140ms, or 1120ms (minimum) o Immune to Short VCC Transients o 5µA Supply Current o Pin-Compatible with MAX811 Open-Drain SOT µP Reset Circuit ________________________________________________________________ Maxim Integrated Products 1 1 2 4 3 VCC MR RESET GND MAX6315 SOT143 TOP VIEW __________________Pin Configuration MAX6315 VCC VCC GND RESET µP RESET MR LASER- TRIMMED RESISTORS RESET CIRCUITRY __________Typical Operating Circuit 19-2000; Rev 1; 1/99 Ordering and Marking Information appear at end of data sheet. 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. |
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