MCP809/810 Microcontroller Supervisory Circuit with Push-Pull Output
●The Microchip Technology Inc. MCP809/810 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized. It also operates as protection from brown-out conditions when the supply voltage drops below a safe operating level. Both devices are available with a choice of seven different trip voltages and both have push-pull outputs. The MCP809 has a low active RESET pin and the MCP810 has a high active RESET pin. The MCP809/ 810 will assert the RESET/ RESET signal whenever the voltage on the VDD pin is below the trip-point voltage.
●Features
■Holds microcontroller in reset until supply voltage reaches stable operating level
■Resets microcontroller during power loss
■Precision monitoring of 3V, 3.3V and 5V systems
■7 voltage trip points available
■Active low RESET pin( MCP809 ) or active high RESET(MCP810)
■Push-pull output
■Holds RESET/ RESET for 350 ms(typical)
■RESET/ RESET to VDD=1.0V
■Accuracy of ±125mV for 5V systems and ±75mV for 3V systems over temperature
■45 μA typical operating current
■Temperature range:
▲Industrial(I) : -40℃ to +85℃
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MCP809 、 MCP810 、 MCP8XX-270 、 MCP8XX-300 、 MCP8XX-315 、 MCP8XX-450 、 MCP8XX-460 、 MCP8XX-475 、 MCP8XX-485 、 MCP809-270 、 MCP809-300 、 MCP809-315 、 MCP809-450 、 MCP809-460 、 MCP809-475 、 MCP809-485 、 MCP809-xxx 、 MCP810-270 、 MCP810-300 、 MCP810-315 、 MCP810-450 、 MCP810-460 、 MCP810-475 、 MCP810-485 、 MCP810-xxx 、 MCP809T-270I/TT 、 MCP809T-300I/TT 、 MCP809T-315I/TT 、 MCP809T-450I/TT 、 MCP809T-460I/TT 、 MCP809T-475I/TT 、 MCP809T-485I/TT 、 MCP810T-270I/TT 、 MCP810T-300I/TT 、 MCP810T-315I/TT 、 MCP810T-450I/TT 、 MCP810T-460I/TT 、 MCP810T-475I/TT 、 MCP810T-485I/TT 、 MCP809T 、 MCP810T |
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Microcontroller Supervisory Circuit 、 voltage supervisory device |
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Datasheet |
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Please see the document for details |
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SOT-23 |
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English Chinese Chinese and English Japanese |
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06/01/01 |
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DS11194C |
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540 KB |
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