MAX814K Maxim Integrated Products, MAX814K Datasheet
MAX814K
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MAX814K Summary of contents
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... LOW LINE GND 6 PFI 4 5 PFO DIP/SO ________________________________________________________________ Maxim Integrated Products Call toll free 1-800-998-8800 for free samples or literature. µP Supervisory Circuits ____________________________Features ±1% Worst-Case Reset Threshold Accuracy 4.8V, 4.7V, 4.55V, 3.03V, or Adjustable Reset Thresholds ±1% Low-Line Threshold Accuracy (MAX814) 60mV Above Reset Threshold 200ms Reset Time Delay ...
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... Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS, +5V Parts (MAX814/MAX815K 4.85V to 5.5V for MAX814K/MAX815K MAX815N unless otherwise noted ...
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... Accuracy, Low-Power, +3V and +5V ELECTRICAL CHARACTERISTICS, +5V Parts (MAX814/MAX815K (continued 4.85V to 5.5V for MAX814K/MAX815K MAX815N unless otherwise noted.) A MIN MAX PARAMETER SYMBOL MR Pull-Up Current Pulse Width MRLO MR Input Threshold V MRHI MR to RESET Out Delay t MD PFI Input Threshold V PFI PFI Input Current ...
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Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits ELECTRICAL CHARACTERISTICS, +3V Parts (MAX814/MAX815T, MAX816) (continued 3.06V to 5.5V for MAX814T/MAX815T and MAX816 PARAMETER SYMBOL WDI Pulse Width t WP WDI Input Threshold V WDI WDI ...
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Accuracy, Low-Power, +3V and +5V __________________________________________Typical Operating Characteristics (T = +25°C, unless otherwise noted SUPPLY CURRENT vs. TEMPERATURE CC 3V PARTS (MAX814T/MAX815T, MAX816 5. 3. ...
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Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits ____________________________Typical Operating Characteristics (continued +25°C, unless otherwise noted.) A RESET THRESHOLD DEVIATION vs. TEMPERATURE 3V PARTS (MAX814T/MAX815T, MAX816 -60 -40 - ...
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Accuracy, Low-Power, +3V and +5V ______________________________________________________________Pin Description PIN MAX814 MAX815 MAX816 — — — — 6 — 6 — — — — ...
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... Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits +3.3V + MAX814K/L/N PFI RESET MR RESET PFO GND Figure 1a. Typical Application for Dual +3.3V and +5V Systems V CC +12V SUPPLY V CC MAX815 RESET PFI WDI WDO MANUAL MR RESET INTERRUPT PFO INPUT GND Figure 2. MAX815 Typical Application ...
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Accuracy, Low-Power, +3V and +5V MAX814 150 A 1 RESET MR GENERATOR 60mV RESET THRESHOLD 4 PFI POWER- FAIL THRESHOLD 3 GND Figure 4. MAX814 Block Diagram MAX816 150 A 1 RESET MR ...
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Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits Reset Threshold The MAX814/MAX815 have fixed, factory-set reset thresholds, signified by the first suffix letter in the part number (see Figure 7 for more information on reset ranges). The MAX816 has ...
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Accuracy, Low-Power, +3V and + greater than or equal to the minimum IC operat- RT ing voltages (V ). The 1% “L” series allows the use ICMIN ±5% power supply, and guarantees system ...
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Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits WDI WDO RESET RESET 0V Figure 8. MAX815 Watchdog Timing where C is ...
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... V line. Connect PFO initiate a reset when CC PFI drops below 2.50V ( suffix) or 1.70V (T suffix or MAX816). Figure 11 shows the MAX814K/L/N/ MAX815K/L/N configured to assert RESET when the +5V supply falls below the reset threshold, or when the +12V supply falls below approximately 11V. Monitoring a Negative Voltage The power-fail comparator can also monitor a negative supply rail (Figure 12) ...
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Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits + MAX814 MAX815 PFO PFI MAX816 R2 RESET GND V- + +5V PFO TRIP 5 - 2.5 2 TRIP , ...
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Accuracy, Low-Power, +3V and +5V ______________Ordering Information PART* TEMP. RANGE PIN-PACKAGE MAX814_CPA 0°C to +70°C 8 Plastic DIP MAX814_CSA 0°C to +70° MAX814_EPA -40°C to +85°C 8 Plastic DIP MAX814_ESA -40°C to +85° MAX815_CPA 0°C ...
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... Maxim reserves the right to change the circuitry and specifications without notice at any time. implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 16 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 16 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 16 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © ...