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MC34064, MC33064, NCV33064 Undervoltage Sensing Circuit The MC34064 is an undervoltage sensing circuit specifically designed for use as a reset controller in microprocessor-based systems. It offers the designer an economical solution for low voltage http //onsemi.com detection with a single external resistor. The MC34064 features a trimmed-in-package bandgap reference, and a comparator with precise thresholds and built-in hysteresis to prevent erratic reset operation. The open collector reset output is capable of sinking in TO-92 P SUFFIX excess of 10 mA, and operation is guaranteed down to 1.0 V input with CASE 29 low standby current. The MC devices are packaged in 3-pin TO-92, micro size TSOP-5, 8-pin SOIC-8 and Micro8t surface mount Pin 1. Reset 2. Input packages. ... See More ⇒