STM690RM6F

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STM690RM6F

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IC SUPERVISOR 1 CHANNEL 8SOIC

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Especificações

Atributo Valor
PartStatus Active
DigiKeyProgrammable Not Verified
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 2.625V
Output Push-Pull, Totem Pole
Reset Active Low
ResetTimeout 140ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber STM690

Visão Geral

Description

The STM690RM6F is a microprocessor supervisory circuit manufactured by STMicroelectronics. It's designed to monitor the supply voltage of microprocessor systems and ensures they operate reliably by preventing execution errors during power-up, power-down, and transient conditions. Key features include a watchdog timer to prevent software hang-ups, a manual reset input, and a power-fail comparator to provide an early warning of impending power failure. The device operates at a low quiescent current, making it suitable for battery-powered applications. It typically operates over a range of -40°C to +85°C, making it versatile for various environmental conditions. The STM690RM6F is housed in a compact SOT-23 or DFN package, allowing for space-efficient designs. It is commonly used in consumer electronics, automotive systems, and industrial equipment to ensure microcontrollers remain stable and reliable during various power conditions.

Equivalent

The STM690RM6F is a microprocessor supervisory circuit. Equivalent products include:
1. MAX690 from Maxim Integrated.
2. MCP131 from Microchip Technology.
3. TPS3820 from Texas Instruments.
4. CAT823 from ON Semiconductor.
These generally offer similar functionalities such as voltage monitoring and reset capabilities, but specific features may vary slightly. Always check the datasheets for compatibility in terms of voltage thresholds and other specifications.

Features

The STM690RM6F is a microprocessor supervisory circuit that offers a range of features designed to monitor the operation of a microprocessor system. Key features include:
1. Reset Functionality: It provides a reset output to ensure proper initialization of the microprocessor during power-up, power-down, and brownout conditions.
2. Voltage Monitoring: The device monitors the supply voltage and triggers a reset if it falls below a specified threshold, ensuring reliable operation.
3. Manual Reset Input: It includes a manual reset input, allowing external signals to initiate a reset.
4. Watchdog Timer: The built-in watchdog timer helps in monitoring system operation and can reset the processor if the system becomes unresponsive.
5. Low Supply Current: Designed for low power applications, the STM690RM6F consumes minimal supply current, enhancing battery life in portable devices.
6. Package Options: It is available in a compact, surface-mount package, making it suitable for space-constrained applications.
7. Temperature Range: The device operates over an extended temperature range, making it suitable for various environmental conditions.
These features make the STM690RM6F ideal for maintaining the stability and reliability of microprocessor-based systems.

Pinout

The STM690RM6F is a microprocessor supervisory circuit that typically comes in an SOT-23-5 package, which means it has 5 pins. These devices are used to monitor the power supply to a microprocessor and to reset the microprocessor when necessary to ensure reliable operation.
Here's a brief on the pin functions:
1. VCC (Pin 1): Power supply input. This pin is connected to the positive supply voltage.
2. GND (Pin 2): Ground. This pin is connected to the ground of the circuit.
3. MR (Pin 3): Manual Reset. This active-low input pin is used to manually reset the microprocessor.
4. RST (Pin 4): Reset Output. This pin provides the reset signal to the microprocessor. It can be active-low and is triggered when the supply voltage is below the threshold or when MR is asserted.
5. NC (Pin 5): No Connection. This pin is typically not connected internally and is not used in the circuit.
These pins help maintain the microprocessor's proper functioning by ensuring it is reset during power-up, power-down, and brownout conditions.

Manufacturer

The STM690RM6F is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. It operates in several key markets, including microcontrollers, sensors, power management devices, and more. The company serves diverse industries such as automotive, industrial, personal electronics, and telecommunications. As a leader in semiconductor solutions, STMicroelectronics focuses on innovation and sustainable technology to meet the growing demand for electronics in various applications.

Application

The STM690RM6F is a supervisory circuit commonly used in applications requiring microprocessor monitoring and control. It ensures the reliability and stability of embedded systems by providing features such as reset generation, manual reset input, and power-fail detection. Key application areas include:
1. Consumer Electronics: Ensures stable operation of microcontrollers in devices like TVs and set-top boxes.
2. Industrial Control: Maintains reliable performance in PLCs and automation systems.
3. Automotive Systems: Monitors critical electronic control units.
4. Networking Equipment: Provides stability in routers and switches.
5. Medical Devices: Ensures safe and consistent operation of portable and fixed diagnostic tools.
These applications benefit from the STM690RM6F's ability to improve system reliability and prevent malfunction due to power instability.

Package

The STM690RM6F is available in a compact SOT-23-6 package, which is a small outline transistor package with six leads.

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