規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 4.6V |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The MC34064D-5R2G is a voltage monitoring circuit designed to supervise the power supply levels in microprocessor systems. It ensures reliable operation by monitoring the supply voltage and generating a reset signal whenever the voltage falls below a predetermined threshold. This device is particularly useful in preventing erratic behavior during power-up, power-down, or brownout conditions by holding the system in a reset state until the supply voltage is stable.
Key features of the MC34064D-5R2G include:
- Operating voltage range: Specifically designed for a 5V supply.
- Low quiescent current: Minimizes power consumption, making it suitable for battery-operated systems.
- Precise voltage detection: Ensures accurate triggering of reset signals.
- Open drain output: Allows for easy interfacing with other components.
- Compact size: Available in a small surface-mount package, ideal for space-constrained applications.
Overall, the MC34064D-5R2G is a reliable and efficient solution for maintaining system stability and preventing malfunctions due to supply voltage fluctuations.
Key features of the MC34064D-5R2G include:
- Operating voltage range: Specifically designed for a 5V supply.
- Low quiescent current: Minimizes power consumption, making it suitable for battery-operated systems.
- Precise voltage detection: Ensures accurate triggering of reset signals.
- Open drain output: Allows for easy interfacing with other components.
- Compact size: Available in a small surface-mount package, ideal for space-constrained applications.
Overall, the MC34064D-5R2G is a reliable and efficient solution for maintaining system stability and preventing malfunctions due to supply voltage fluctuations.
Equivalent
The MC34064D-5R2G is a voltage monitoring IC. Equivalent products include the TL7705 from Texas Instruments, NCP303 from ON Semiconductor, and the STM809 from STMicroelectronics. These alternatives provide similar voltage monitoring and reset functions, although specifications like voltage thresholds and packaging might vary slightly. Always verify compatibility with your specific application requirements.
Features
The MC34064D-5R2G is a voltage detector IC from ON Semiconductor designed for monitoring microprocessor power supplies and battery systems. Key features include:
1. Reset Output: Provides a reset signal for microprocessors during power-up, power-down, and brownout conditions.
2. Precision Threshold: Features a precise voltage detection threshold of 4.6V for the standard 5V version, ensuring accurate monitoring of supply voltage levels.
3. Low Supply Current: Consumes minimal supply current, making it suitable for battery-operated applications.
4. Temperature Range: Operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.
5. Package Options: Available in a small and compact SOIC-8 package, which simplifies PCB layout and saves space.
6. Active Low Output: Provides an active low output signal, ideal for interfacing with microcontroller reset inputs.
7. Ease of Use: Simple design with minimal external components needed, facilitating easy integration into electronic systems.
These features make it suitable for a wide range of applications requiring reliable voltage monitoring and reset functions.
1. Reset Output: Provides a reset signal for microprocessors during power-up, power-down, and brownout conditions.
2. Precision Threshold: Features a precise voltage detection threshold of 4.6V for the standard 5V version, ensuring accurate monitoring of supply voltage levels.
3. Low Supply Current: Consumes minimal supply current, making it suitable for battery-operated applications.
4. Temperature Range: Operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.
5. Package Options: Available in a small and compact SOIC-8 package, which simplifies PCB layout and saves space.
6. Active Low Output: Provides an active low output signal, ideal for interfacing with microcontroller reset inputs.
7. Ease of Use: Simple design with minimal external components needed, facilitating easy integration into electronic systems.
These features make it suitable for a wide range of applications requiring reliable voltage monitoring and reset functions.
Pinout
The MC34064D-5R2G is a voltage monitoring IC with a pin count of 3. It is specifically designed for undervoltage sensing in microprocessor-based systems.
Pin Functions:
1. VCC (Pin 1): This pin is connected to the supply voltage that needs to be monitored. The device monitors this voltage to detect undervoltage conditions.
2. GND (Pin 2): The ground pin is used as a reference point for the chip and is connected to the system ground.
3. RESET (Pin 3): This output pin is used to send a reset signal to the microprocessor or other connected logic devices. The reset is activated when the monitored voltage drops below a specified threshold, ensuring the protection of the system during low voltage conditions.
This device is commonly used in circuits where reliable reset functions are crucial for system stability during power-up and brownout conditions.
Pin Functions:
1. VCC (Pin 1): This pin is connected to the supply voltage that needs to be monitored. The device monitors this voltage to detect undervoltage conditions.
2. GND (Pin 2): The ground pin is used as a reference point for the chip and is connected to the system ground.
3. RESET (Pin 3): This output pin is used to send a reset signal to the microprocessor or other connected logic devices. The reset is activated when the monitored voltage drops below a specified threshold, ensuring the protection of the system during low voltage conditions.
This device is commonly used in circuits where reliable reset functions are crucial for system stability during power-up and brownout conditions.
Manufacturer
The MC34064D-5R2G is manufactured by ON Semiconductor. ON Semiconductor is a leading semiconductor supplier that focuses on energy-efficient electronics. They provide a broad range of products, including power and signal management, logic, discrete, and custom devices for various applications such as automotive, communications, computing, consumer electronics, industrial, medical, and military/aerospace. The company is known for its commitment to innovation and sustainability, offering solutions that help design engineers reduce energy consumption and contribute to smarter, more efficient electronic systems.
Application
The MC34064D-5R2G is a voltage detector IC used primarily for monitoring power supply voltages to ensure they remain within specified limits. Its main applications include:
1. Microcontroller Supervisory: Ensures microcontrollers reset safely during power fluctuations.
2. Power Supply Monitoring: Detects under-voltage conditions to protect sensitive electronics.
3. Battery-Powered Devices: Monitors battery levels to prevent deep discharge.
4. Embedded Systems: Provides reliable reset signals in embedded systems to prevent erratic behavior.
5. Industrial Equipment: Used in various industrial applications to ensure stable operation of machinery.
These applications leverage the IC’s capability to provide accurate and reliable voltage monitoring and reset functions.
1. Microcontroller Supervisory: Ensures microcontrollers reset safely during power fluctuations.
2. Power Supply Monitoring: Detects under-voltage conditions to protect sensitive electronics.
3. Battery-Powered Devices: Monitors battery levels to prevent deep discharge.
4. Embedded Systems: Provides reliable reset signals in embedded systems to prevent erratic behavior.
5. Industrial Equipment: Used in various industrial applications to ensure stable operation of machinery.
These applications leverage the IC’s capability to provide accurate and reliable voltage monitoring and reset functions.
Package
The MC34064D-5R2G is a voltage detector IC with an SMD (Surface Mount Device) package type, specifically in the SOIC-8 (Small Outline Integrated Circuit) configuration.
