The MCP7940NT-I/ST is a versatile real-time clock/calendar (RTCC) device that offers a wide range of features and functionalities. This entry provides an in-depth overview of the MCP7940NT-I/ST, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
The MCP7940NT-I/ST belongs to the category of real-time clock/calendar (RTCC) devices. These devices are commonly used in electronic systems to keep track of time and date accurately.
The MCP7940NT-I/ST specifications include: - Supply Voltage: 1.8V to 5.5V - Timekeeping Current: 400nA at 3.0V, 200nA at 5.5V - Battery Backup Input for Continuous Timekeeping - I2C Interface - Alarm Functions - 64 Bytes of SRAM
The MCP7940NT-I/ST has the following pin configuration: 1. VBAT - Battery Backup Input 2. SCL - Serial Clock Input/Output 3. SDA - Serial Data Input/Output 4. SQW/INT - Square Wave Output/Interrupt Output 5. VSS - Ground 6. VDD - Power Supply 7. NC - No Connection 8. NC - No Connection
The functional features of the MCP7940NT-I/ST include: - Accurate Timekeeping - Calendar Functions - Battery Backup - I2C Communication Interface - Alarm Functions - Non-volatile Memory for Data Storage
The MCP7940NT-I/ST utilizes an internal oscillator and an external crystal to maintain accurate timekeeping. When powered, it keeps track of time and date, and the battery backup ensures continuous operation even when the main power source is disconnected.
The MCP7940NT-I/ST finds applications in various electronic systems, including: - Consumer Electronics - Industrial Automation - Automotive Systems - Medical Devices - IoT Devices
Some alternative models to the MCP7940NT-I/ST include: - DS3231 - Real-Time Clock Module - PCF85263A - I2C-bus RTC with Battery Backup
In conclusion, the MCP7940NT-I/ST is a reliable real-time clock/calendar device with a wide range of applications and features. Its compact size, low power consumption, and precise timekeeping capabilities make it a suitable choice for diverse electronic systems.
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Question: What is the operating voltage range of MCP7940NT-I/ST?
Answer: The operating voltage range of MCP7940NT-I/ST is 1.8V to 5.5V.
Question: Can MCP7940NT-I/ST be used for real-time clock (RTC) applications?
Answer: Yes, MCP7940NT-I/ST is designed for real-time clock (RTC) applications.
Question: What is the typical backup current of MCP7940NT-I/ST?
Answer: The typical backup current of MCP7940NT-I/ST is 400nA.
Question: Does MCP7940NT-I/ST have a battery switchover circuit?
Answer: Yes, MCP7940NT-I/ST features a battery switchover circuit.
Question: What is the temperature range for MCP7940NT-I/ST?
Answer: MCP7940NT-I/ST has a temperature range of -40°C to +85°C.
Question: Is MCP7940NT-I/ST compatible with I2C interface?
Answer: Yes, MCP7940NT-I/ST is compatible with I2C interface.
Question: Can MCP7940NT-I/ST be used in battery-powered applications?
Answer: Yes, MCP7940NT-I/ST is suitable for battery-powered applications.
Question: What is the accuracy of the timekeeping in MCP7940NT-I/ST?
Answer: The timekeeping accuracy of MCP7940NT-I/ST is ±20ppm.
Question: Does MCP7940NT-I/ST have alarm functions?
Answer: Yes, MCP7940NT-I/ST includes alarm functions.
Question: Is MCP7940NT-I/ST RoHS compliant?
Answer: Yes, MCP7940NT-I/ST is RoHS compliant.