MCP795W12-I/SL

Product Overview

Category

The MCP795W12-I/SL belongs to the category of Real-Time Clocks (RTCs).

Use

This product is primarily used for timekeeping and synchronization purposes in various electronic devices.

Characteristics

• High accuracy timekeeping
• Low power consumption
• Integrated battery backup
• I2C interface for communication
• Alarm and timer functions

Package

The MCP795W12-I/SL is available in a small surface mount package (SL) for easy integration into electronic circuits.

Essence

The essence of this product lies in its ability to provide accurate timekeeping and synchronization capabilities to electronic devices.

Packaging/Quantity

The MCP795W12-I/SL is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 1.8V to 5.5V
• Timekeeping Accuracy: ±2 minutes per month
• Operating Temperature Range: -40°C to +85°C
• Battery Backup Voltage: 1.3V to 5.5V
• I2C Bus Frequency: Up to 400 kHz

Detailed Pin Configuration

The MCP795W12-I/SL has a total of 20 pins, which are assigned specific functions. The pin configuration is as follows:

1. VDD - Power supply voltage input
2. VSS - Ground reference
3. SDA - I2C data line
4. SCL - I2C clock line
5. SQW/INT - Square wave output or interrupt output
6. VBAT - Battery backup voltage input
7. X1 - Crystal oscillator input
8. X2 - Crystal oscillator output
9. OSC2 - Internal oscillator output
10. OSC1 - Internal oscillator input
11. VBAT - Battery backup voltage input
12. GND - Ground reference
13. VDD - Power supply voltage input
14. SDA - I2C data line
15. SCL - I2C clock line
16. SQW/INT - Square wave output or interrupt output
17. VBAT - Battery backup voltage input
18. X1 - Crystal oscillator input
19. X2 - Crystal oscillator output
20. OSC2 - Internal oscillator output

Functional Features

• Real-time clock with calendar and alarm functions
• Battery backup for timekeeping during power loss
• Programmable square wave output
• Alarm and timer functions for event scheduling
• 64 bytes of non-volatile EEPROM memory for data storage

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Integrated battery backup ensures uninterrupted operation
• Flexible programming options for various applications
• Compact package for easy integration

Disadvantages

• Limited memory capacity for data storage
• Reliance on external crystal oscillator for accurate timekeeping

Working Principles

The MCP795W12-I/SL utilizes an internal oscillator or an external crystal oscillator to generate accurate timekeeping signals. It communicates with the host microcontroller through the I2C interface, allowing for easy integration into various electronic systems. The integrated battery backup ensures that the device continues to keep time even during power loss.

Detailed Application Field Plans

The MCP795W12-I/SL finds applications in a wide range of electronic devices, including but not limited to: - Smartwatches - Industrial automation systems - Medical equipment - Automotive electronics - Home appliances - IoT devices

Detailed and Complete Alternative Models

Some alternative models to the MCP795W12-I/SL include: - DS3231 - Real-Time Clock Module - PCF8563 - Real-Time Clock and Calendar - DS1307 - Serial Real-Time Clock

These alternative models offer similar functionalities and can be considered as alternatives depending on specific requirements.

In conclusion, the MCP795W12-I/SL is a highly accurate real-time clock with various features and advantages. Its compact package and low power consumption make it suitable for a wide range of applications in different industries.