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1 / 8 page MC33464 SEMICONDUCTOR TECHNICAL DATA MICROPOWER UNDERVOLTAGE SENSING CIRCUITS N SUFFIX PLASTIC PACKAGE CASE 1212 (SOT–23–5) 5 1 Order this document by MC33464/D H SUFFIX PLASTIC PACKAGE CASE 1213 (SOT–89) TAB 1 (Tab is connected to Pin 2) 15 4 2 3 (Top View) Reset Input Ground N/C N/C 1 2 3 (Top View) Reset Input Ground Tab 1 MOTOROLA ANALOG IC DEVICE DATA Micropower Undervoltage Sensing Circuits The MC33464 series are micropower undervoltage sensing circuits that are specifically designed for use with battery powered microprocessor based systems, where extended battery life is required. A choice of several threshold voltages from 0.9 V to 4.5 V are available. These devices feature a very low quiescent bias current of 0.8 µA typical. The MC33464 series features a highly accurate voltage reference, a comparator with precise thresholds and built–in hysteresis to prevent erratic reset operation, a choice of output configurations between open drain or complementary MOS, and guaranteed operation below 1.0 V with extremely low standby current. These devices are available in either SOT–89 3–pin or SOT–23 5–pin surface mount packages. Applications include direct monitoring of the MPU/logic power supply used in portable, appliance, automotive and industrial equipment. MC33464 Features: • Extremely Low Standby Current of 0.8 µA at Vin = 1.5 V • Wide Input Voltage Range (0.7 V to 10 V) • Monitors Power Supply Voltages from 1.1 V to 5.0 V • High Accuracy Detector Threshold (±2.5%) • Two Reset Output Types (Open Drain or Complementary Drive) • Two Surface Mount Packages (SOT–89 or SOT–23 5–Pin) ORDERING INFORMATION Device Threshold Voltage Type Marking Package (Qty/Reel) MC33464H–09AT1 0.9 T09A MC33464H–20AT1 2.0 Open T20A MC33464H–27AT1 2.7 Drain T27A MC33464H–30AT1 3.0 Reset T30A MC33464H–45AT1 4.5 T45A SOT 89 MC33464H–09CT1 0.9 T09C SOT–89 (1000) MC33464H–20CT1 2.0 Compl. T20C (1000) MC33464H–27CT1 2.7 Com l. MOS T27C MC33464H–30CT1 3.0 MOS Reset T30C MC33464H–43CT1 4.3 Reset T43C MC33464H–45CT1 4.5 T45C MC33464N–09ATR 0.9 9N MC33464N–20ATR 2.0 0R MC33464N–21ATR 2.1 Open 1R MC33464N–27ATR 2.7 Drain 7R MC33464N–30ATR 3.0 Reset 0S MC33464N–45ATR 4.5 5T SOT–23 MC33464N–48ATR 4.8 8T (3000) MC33464N–09CTR 0.9 9F () MC33464N–20CTR 2.0 Compl. 0J MC33464N–27CTR 2.7 MOS 7J MC33464N–30CTR 3.0 Reset 0K MC33464N–45CTR 4.5 5L Other voltages from 0.9 to 6.0 V, in 0.1 V increments, are available. Consult factory for information. © Motorola, Inc. 1999 Rev 2, 07/1999 |
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