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Product Info.
MC101
MC102
4(3)-Pin μP Voltage Monitors with Manual Reset Input
Description
The MC101/102 are microprocessor supervisory circuits used to monitor power supplies in microprocessor and digital systems. The provide excellent circuit reliability and low cost by eliminating external powered or 3Vpowered circuits. MC101/102 also provide a debounced manual reset input.
It also operates as protection from brown-out conditions when the supply voltage drops below a safe operating level. These devices are available with a choice of seven different reset threshold voltages and both have pushpull outputs.
The MC101 has low active RESET pin, MC102 has a high active RESET pin The MC101/102 will assert the RESET/RESET signal whenever the voltage on the VDD pin is below the reset threshold voltage.
Block Diagram
Features
  • Precision Monitoring of 3V, 3.3V and 5V
         -Power Supply Voltage.

  • Guaranteed R E S E T / RESET to VDD = 1.1V

  • Accuracy of ±230mV for 5V Systems and
         - ±150mV for 3V Systems over Temperature

  • 30μA Typical Operating Current

  • 6 Reset Threshold Voltage available.

  • Push-pull Output

  • Active Low R E S E T Pin : MC101,
         - Active High RESET Pin: MC102.

  • Temperature Range : 0°C to +70°C

  • No External Components

  • Download
  • Datasheet : MC10x_100524.pdf