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MAXIM INTEGRATED / ANALOG DEVICES MAX6443US31LT Microprocessor Reset Circuit

The MAX6443US31L+T is a low-current microprocessor reset circuit in a 4-pin SOT-143 package featuring a long manual reset setup period. It includes a single manual reset input that ignores short switch closures for reliable operation. The device asserts a reset output when supply voltages fall below their thresholds, and remains asserted for approximately 210ms after the supplies recover. It also provides a one-shot reset pulse of around 140ms when the manual reset input is held low for an extended period. The supply voltage range is from 1V to 5.5V, with an operating temperature range from -40°C to 85°C. The reset threshold voltage is 3.075V, and the device features immunity to transient voltage spikes, valid operation down to 1.0V VCC, and low supply current of 6µA. It offers push-pull reset output suitable for system monitoring, consumer electronics, industrial, automotive, and portable devices.

Authorized Distributors
Source:Newark
Part No:MAX6443US31L+T
Stock:605
Inv Date:06-05-2026
Price: Unit price: $8.77
Buy/RFQ:
Source:DigiKey
Part No:MAX6443US31L+T
Stock:7838
Inv Date:06-05-2026
Price: Unit price: $5.09497
Buy/RFQ:
Part No:MAX6443US31L+T
Stock:2362
Inv Date:06-06-2026
Price: Unit price: $8.76
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX6443US31LT Microprocessor Reset Circuit Specifications:

  • Package: 4-pin SOT-143
  • Supply Voltage Range: 1V to 5.5V
  • Reset Threshold Voltage: 3.075V
  • Operating Temperature Range: -40°C to 85°C
  • Manual Reset Input: Single, ignores short switch closures
  • Reset Timeout Period: Approximately 210ms after voltage recovery
  • Manual Reset Pulse: Around 140ms when held low for extended period
  • Reset Output: Push-pull configuration
  • Supply Current: 6µA (typical)
  • Transient Voltage Immunity: Yes
  • Valid down to Vcc = 1V
  • Application: System monitoring, consumer electronics, industrial, automotive, portable devices

Buy the Maxim Integrated MAX6443U– Reliable Microprocessor Reset Circuit for Industrial Applications

Purchase the Maxim Integrated MAX6443U-..T online today and ensure your electronic systems operate reliably during power fluctuations and brownouts. This low-current reset circuit with manual reset functionality, wide voltage range, and immunity to transients provides robust system monitoring for consumer electronics, industrial machinery, automotive systems, and portable devices. The compact 4-pin SOT-143 package, low power consumption, and guaranteed operation down to 1V make it ideal for space-constrained applications requiring dependable reset control. Secure your system's stability now!

Buy Maxim Integrated MAX6443U now and experience unmatched reliability and performance in your microprocessor reset applications.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX6443US31LT?

You can click on the BUY or RFQ button to purchase MAX6443US31LT from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX6443US31LT?

You can download the MAX6443US31LT datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX6443US31LT?

MAXIM INTEGRATED / ANALOG DEVICES

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