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MAXIM INTEGRATED / ANALOG DEVICES MXD1818UR31T Microprocessor Reset Circuit

The MXD1818UR31T is a low-power, microprocessor reset circuit designed for reliable power supply monitoring in digital systems. This device asserts a reset signal when Vcc falls below a preset threshold, maintaining reset for at least 100ms after Vcc rises above the threshold. It features an open-drain, active-low RESET output with internal pull-up resistor, and a debounced manual-reset detection activated when RESET is pulled low for over 1.5us. Suitable for portable and battery-powered electronics, it operates from 1.0V to 5.5V, temperature range -40°C to +105°C, in compact SOT23 packages.

Authorized Distributors
Source:Newark
Part No:MXD1818UR31+T
Stock:1061
Inv Date:06-05-2026
Price: Unit price: $4.22
Buy/RFQ:
Source:DigiKey
Part No:MXD1818UR31+T
Stock:3068
Inv Date:06-05-2026
Price: Unit price: $4.1
Buy/RFQ:
Part No:MXD1818UR31+T
Stock:1939
Inv Date:06-06-2026
Price: Unit price: $4.1
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MXD1818UR31T Microprocessor Reset Circuit Specifications:

  • Supply Voltage Range: 1.0V to 5.5V
  • Reset Threshold: 2.31V (factory-set)
  • Reset Timeout Period: 100ms (minimum)
  • Operating Temperature Range: -40°C to +105°C
  • Package: SOT23
  • Pin Configuration: 3-pin, active-low open-drain RESET output
  • Internal Pull-up Resistor: 5.5kΩ
  • Vcc Supply Monitoring
  • Debounced Manual Reset Feature
  • Low Power Consumption: 4µA typical
  • Max Junction Temperature: +150°C
  • Lead Temperature (soldering, 10s): +300°C
  • Storage Temperature Range: -65°C to +150°C

Buy the Buy Maxim MXD1818UR31T Low-Power Microprocessor Reset Circuit Online

Enhance your electronic projects with the Maxim MXD1818UR31T, a compact and low-power reset circuit offering reliable power supply monitoring for portable devices. With a factory-set threshold of 2.31V, it guarantees consistent reset operation across temperature ranges from -40°C to +105°C. The device features an open-drain, active-low RESET output with internal pull-up, manual reset detection, and only consumes 4 microamps. Ideal for use in space-constrained applications, this 3-pin SOT23 component delivers stable, dependable reset functions for modern electronics.

Order your Maxim MXD1818UR31T low-power reset IC today and ensure reliable power supply monitoring for portable and digital electronic projects.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MXD1818UR31T?

You can click on the BUY or RFQ button to purchase MXD1818UR31T from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MXD1818UR31T?

You can download the MXD1818UR31T datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MXD1818UR31T?

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