AZ809/AZ810
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AZ809NSTR-G1 (pdf) |
Related Parts | Information |
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AZ809NSTR-E1 |
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AZ810NRTR-G1 |
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AZ810NSTR-G1 |
PDF Datasheet Preview |
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Data Sheet 3-PIN MICROPROCESSOR RESET CIRCUITS AZ809/AZ810 The AZ809/810 microprocessor supervisory circuits can be used to monitor the power supplies in microprocessor and digital systems. They provide a reset to the microprocessor in power-up, power-down and brownout conditions. The function of the AZ809/810 is to monitor the VCC supply voltage, and assert a reset signal whenever this voltage declines below the factoryprogrammed reset threshold. The reset signal remains asserted for 240ms after VCC rises above the threshold. The AZ809 has an active-low RESET output, while the AZ810 has an active-high RESET output. Seven standard reset voltage options are available, suitable for monitoring 3.0V, 3.3V and 5.0V supply voltages. With a typical supply current of only 8uA when VCC is 3.3V, the AZ809/810 are ideal for use in portable equipment. These ICs are available in SOT-23 package. • Precise Monitoring of 3.0V, 3.3V and 5.0V Supply Voltages • Improved Maxim MAX809/MAX810 Replacement • 140ms Min. Reset Pulse Width Active-low Reset Output AZ809 Active-high Reset Output AZ810 • No External Components • Specified Over Full Temperature Range -40 to 105oC • Embedded Controllers • Battery Operated Systems • Intelligent Instruments • Wireless Communication Systems • PDAs and Handheld Equipment SOT-23 Figure Package Type of AZ809/810 BCD Semiconductor Manufacturing Limited 3-PIN MICROPROCESSOR RESET CIRCUITS Pin Configuration N Package SOT-23 Data Sheet AZ809/AZ810 RESET/RESET Figure Pin Configuration of AZ809/810 Top View Pin Description Pin Number AZ809 AZ810 Pin Name Function GND RESET RESET VCC Ground pin RESET is asserted LOW if VCC falls below the reset threshold and remains LOW for the 240ms typical reset timeout period 140ms minimum after VCC exceeds the threshold RESET is asserted HIGH if VCC falls below the reset threshold Power supply input voltage 3.0V, 3.3V, 5.0V BCD Semiconductor Manufacturing Limited 2 1A LOW DROPOUT LINEAR REGULATOR 3-PIN MICROPROCESSOR RESET CIRCUITS Functional Block Diagram Data Sheet AP2218 AZ809/AZ810 VCC 3 GND 1 Reference Voltage Reset Logic + Timer Oscillator 2 RESET/RESET Figure Functional Block Diagram of AZ809/810 Ordering Information AZ8XX Circuit Type 09 AZ809 10 AZ810 Package N SOT-23 E1 Lead Free G1 Green TR Tape and Reel Detect Voltage: L 4.63V S 2.93V T 3.08V R 2.63V BCD Semiconductor Manufacturing Limited 3 3-PIN MICROPROCESSOR RESET CIRCUITS Ordering Information Continued Data Sheet AZ809/AZ810 Package SOT-23 Temperature Range Lead Free Green AZ809NLTR-E1 AZ809NLTR-G1 -40 to 105oC AZ809NTTR-E1 AZ809NSTR-E1 AZ809NTTR-G1 AZ809NSTR-G1 AZ809NRTR-E1 AZ809NRTR-G1 AZ810NLTR-E1 AZ810NLTR-G1 -40 to 105oC AZ810NTTR-E1 AZ810NSTR-E1 AZ810NTTR-G1 AZ810NSTR-G1 AZ810NRTR-E1 AZ810NRTR-G1 Marking ID Lead Free Green Packing Type Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with "G1" suffix are available in green packages. Absolute Maximum Ratings Note 1 Parameter Value Unit Supply Voltage RESET, RESET Input Current, VCC Pin Output Current, RESET, RESET Pin to VCC+0.3 Rate of Rise, VCC Continuous Power Dissipation V/us Junction Temperature Storage Temperature Lead Temperature Soldering, 10sec TJ TSTG TLEAD -65 to 150 Note 1 Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Recommended Operating Conditions Parameter Operating Junction Temperature Range Symbol TJ Unit BCD Semiconductor Manufacturing Limited 4 1A LOW DROPOUT LINEAR REGULATOR 3-PIN MICROPROCESSOR RESET CIRCUITS Data Sheet AP2218 AZ809/AZ810 Electrical Characteristics |
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