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ACE809 数据表(PDF) 1 Page - ACE Technology Co., LTD. |
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ACE809 数据表(HTML) 1 Page - ACE Technology Co., LTD. |
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1 / 6 page  ACE809 Technology 3-Pin Microprocessor Reset Circuits VER 1.2 1 Description The ACE809 microprocessor supervisory circuits can be used to monitor the power supplies in microprocessor and digital systems. They provide s reset to the microprocessor during power-up, power-down and brown-out conditions. The function of the ACE809 is to monitor the VCC supply voltage, and assert a reset signal whenever this voltage declines below the factory-programmed reset threshold. The reset signal remains asserted for 240ms after VCC rises above the threshold. The ACE809 has an active-low RESET output. The output of the ACE809 is guaranteed valid down to VCC =1V. The device is available in a SOT-23-3L package. The ACE809 is optimized to reject fast transient glitches on the VCC line. Low supply current of 25µA, (VCC=3.3V) makes these devices suitable for battery powered applications. Features • Precision Vcc Monitor for 3.0V,3.3V and 5.0V Supplies • 140ms Guaranteed Minimum RESET Output Duration • RESET Output Guaranteed to Vcc=1.0V • Low 25μA Supply Current. • Vcc Transient Immunity. • No External Components. Application • Embedded systems • Computers • Critical μP Power Supply Monitoring • Battery Powered equipment Absolute Maximum Ratings Parameter Symbol Max Unit Supply Voltage VCC 5.5 V Output Voltage RESET -0.3 to (Vcc+0.3) V Input Current 20 mA Output Current IOUT 20 mA Power Dissipation PD Internally Limited Thermal resistance junction to ambient SOT-23-3 θJA 230 ℃ /W Operating junction temperature range TJ 0 to 125 ℃ Storage temperature range TSTG -60 to 150 ℃ Note 1: Exceeding these rating could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of the specified terminal. Note 2: Voltage values are with respect to the anode terminal unless otherwise noted. |
类似零件编号 - ACE809 |
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类似说明 - ACE809 |
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