产品概述 返回TOPhDW嘉泰姆

The CXDR75115/CXDR75116 are microprocessor (μP) supervisory circuits used to monitor the power supplies in μP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V- powered circuits. These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 140ms after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available. The CXDR75116L has an open-drain output stage, while the CXDR75115 have push-pull outputs. The CXDR75116’s open-drain RESET output requires a pull-up resistor that can be connected to a voltage higher than VCC. The CXDR75115 have an active-low RESET output, while the CXDR75115 has an active-high RESET output. The reset comparator is designed to ignore fast transients on VCC, and the outputs are guaranteed to be in the correct logic state for VCC down to 1V. Low supply current makes the CXDR75115/CXDR75116 ideal for use in portable equipment. The CXDR75115/CXDR75116 are available in 3-pin SOT-23 and SC-70-3(SOT-323) packages

   产品特点 返回TOPhDW嘉泰姆

„ Precision Monitoring of +3V, +3.3V, and +5V Power-Supply Voltages „ Fully Specified Over Temperature hDW嘉泰姆

„ Available in Three Output Configurations Push-Pull RESET Output (CXDR75115L) Push-Pull RESET Output (CXDR75115H) Open-Drain RESET Output (CXDR75116L) hDW嘉泰姆

„ 140ms min Power-On Reset Pulse Width hDW嘉泰姆

„ 10μA Supply Current hDW嘉泰姆

„ Guaranteed Reset Valid to VCC = +1V hDW嘉泰姆

„ Power Supply Transient Immunity hDW嘉泰姆

„ No External Components hDW嘉泰姆

„ 3-Pin SOT-23 and SC-70-3(SOT-323) PackageshDW嘉泰姆

   应用范围 返回TOPhDW嘉泰姆

„ Computers hDW嘉泰姆

„ Controllers hDW嘉泰姆

„ Intelligent Instruments hDW嘉泰姆

„ Critical μP and μC Power Monitoring hDW嘉泰姆

„ Portable / Battery-Powered Equipment hDW嘉泰姆

„ AutomotivehDW嘉泰姆

   技术规格书（产品PDF) 返回TOP hDW嘉泰姆

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