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UNISONIC TECHNOLOGIES CO., LTD
83CXXX
Preliminary
4-PIN µP VOLTAGE MONITORS WITH MANUAL RESET INPUT
DESCRIPTION
The UTC 83CXXX is a microprocessor supervisory circuit. It has
an active-low RESET and push-pull outputs. The circuit can assert a reset signal as long as the VCC power supplies voltage dropping below a preset threshold and it keep the reset signal for at least 140ms when VCC has risen above the reset threshold. The reset threshold can be operated with multi-supply voltages.
The UTC 83CXXX provides the circuit with perfect reliability and low cost through eliminating external components and adjustments when applied with +5V, +3.3V, +3.0V power supply The UTC 83CXXX also provide a de-bounced manual reset input.