The MCP7940N-I/P is a part of the MCP7940 series of Real-Time Clocks (RTCs) manufactured by Microchip Technology. This entry provides an overview of the MCP7940N-I/P, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
The MCP7940N-I/P belongs to the category of Real-Time Clocks (RTCs). RTCs are used in electronic devices to keep track of time and date even when the device is powered off. They are commonly used in applications such as consumer electronics, industrial equipment, and automotive systems.
The MCP7940N-I/P has the following pin configuration: 1. VBAT: Battery Input 2. GND: Ground 3. SCL: Serial Clock Input/Output 4. SDA: Serial Data Input/Output 5. SQW/INT: Square Wave Output/Interrupt Output 6. VSS: Ground 7. VDD: Power Supply 8. X1/X2: Crystal Connections
The MCP7940N-I/P utilizes an internal oscillator and an external crystal to maintain accurate timekeeping. When powered, it keeps track of time and date, and in the event of a power loss, switches to the backup battery to ensure uninterrupted operation.
The MCP7940N-I/P is suitable for a wide range of applications, including: - Consumer Electronics: Digital clocks, set-top boxes, and home appliances. - Industrial Equipment: Data loggers, automation systems, and control panels. - Automotive Systems: Car infotainment systems, dashboard displays, and vehicle tracking devices.
Some alternative models to the MCP7940N-I/P include: - DS3231: Manufactured by Maxim Integrated, offering high accuracy and temperature-compensated crystal oscillator. - PCF85263A: Produced by NXP Semiconductors, featuring automatic battery switchover and programmable clock output.
In conclusion, the MCP7940N-I/P is a versatile RTC suitable for various electronic applications, offering reliable timekeeping and calendar functions with low power consumption and battery backup capabilities.
Word Count: 611
What is the operating voltage range of MCP7940N-I/P?
- The operating voltage range of MCP7940N-I/P is 1.8V to 5.5V.
Can MCP7940N-I/P be used for real-time clock (RTC) applications?
- Yes, MCP7940N-I/P is designed for real-time clock (RTC) applications.
Does MCP7940N-I/P have battery backup for timekeeping?
- Yes, MCP7940N-I/P has battery backup for timekeeping.
What is the typical accuracy of the MCP7940N-I/P real-time clock?
- The typical accuracy of MCP7940N-I/P real-time clock is ±20 ppm.
Is MCP7940N-I/P compatible with I2C communication protocol?
- Yes, MCP7940N-I/P is compatible with I2C communication protocol.
Can MCP7940N-I/P operate in temperature extremes?
- Yes, MCP7940N-I/P can operate in temperature extremes ranging from -40°C to +85°C.
Does MCP7940N-I/P have alarm functions?
- Yes, MCP7940N-I/P has alarm functions with multiple alarm settings.
What is the available memory size in MCP7940N-I/P for user data storage?
- MCP7940N-I/P provides 64 bytes of SRAM for user data storage.
Can MCP7940N-I/P be used in battery-powered devices?
- Yes, MCP7940N-I/P is suitable for use in battery-powered devices due to its low power consumption.
Is MCP7940N-I/P RoHS compliant?
- Yes, MCP7940N-I/P is RoHS compliant, meeting environmental standards.