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MCP120 - Microcontroller

General Description

The Microchip Technology Inc.

MCP120/130 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized.

Key Features

  • Holds microcontroller in reset until supply voltage reaches stable operating level.
  • Resets microcontroller during power loss.
  • Precision monitoring of 3V, 3.3V and 5V systems.
  • 7 voltage trip points available.
  • Active low RESET pin.
  • Open drain output.
  • Internal pull-up resistor (5 kΩ) for MCP130.
  • Holds RESET for 350 ms (typical).
  • RESET to VCC = 1.0V.
  • Accuracy of ±125 mV for 5V systems and ±75 mV for 3V systems.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MCP120/130 Microcontroller Supervisory Circuit with Open Drain Output FEATURES • Holds microcontroller in reset until supply voltage reaches stable operating level • Resets microcontroller during power loss • Precision monitoring of 3V, 3.3V and 5V systems • 7 voltage trip points available • Active low RESET pin • Open drain output • Internal pull-up resistor (5 kΩ) for MCP130 • Holds RESET for 350 ms (typical) • RESET to VCC = 1.