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AME8570AEETAF29Z Datasheet(PDF) 1 Page - Analog Microelectronics |
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AME8570AEETAF29Z Datasheet(HTML) 1 Page - Analog Microelectronics |
1 / 17 page AME, Inc. 1 Rev. A.01 AME8570 µProcessor Supervisory n Functional Block Diagram The AME8570 family allows the user to customize the CPU reset function without any external components. The user has serveral choice of reset voltage thresholds, reset time intervals, and output driver configurations, all of which are preset at the factory. These circuits monitor the power supply voltage of µP based systems. When the power supply voltage drops below the voltage threshold a reset is asserted immedi- ately ( within an interval T D1 ). The reset remains asserted after the supply voltage rises above the voltage threshold for a time interval, T D2. The reset output may be either active high ( RESET ) or active low ( RESETB ). The reset output may be configured as either push/pull or open drain. The state of the reset output is guaranteed to be correct only when supply voltage is greater than 1V. The AME8570 also provide a reset manually by pulling the MRB input to ground. Space saving SC-70 package and micropower quies- cent current ( < 5.0 µA ) make this family a natural for portable battery powered equipment. l Portable Electronics l Power Supplies l Computer Peripherals l Data Acquisition Systems l Applications using CPUs l Consumer Electronics n General Description n Features n Applications l Small Packages : SC-70, SOT-23 l Tight Voltage Threshold Tolerance : ± 1.50% l Wide Temperature Range : -40OC to 85OC l Low Quiescent Current < 5.0 µA l Manual Reset Input Option l All AME's Lead Free Products Meet RoHS Standards Delay IN GND R1 R2 I1 V REF N1 RESET/ RESETB MRB AME8570 Open-Drain RESET/ RESETB with MRB Delay IN GND R1 R2 I1 V REF P1 N1 RESET/ RESETB AME8570 Push-Pull RESET/ RESETB RESET/ RESETB Delay IN GND R1 R2 I1 V REF N1 AME8570 Open-Drain RESET/RESETB Delay IN GND R1 R2 I1 V REF P1 N1 RESET/ RESETB MRB AME8570 Push-Pull RESET/ RESETB with MRB |
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