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MCP79412T-I/MS

Name: MCP79412T-I/MS
Rating: 4.7 (12 reviews)

IC RTC CLK/CALENDAR I2C 8-MSOP

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包 MSOP-8
資料表 MCP79412T-I/MS DataSheet
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規格

Package	Tape & Reel (TR)
ProductStatus	Active
Type	Clock/Calendar
Features	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
MemorySize	64B, 1Kb
TimeFormat	HH:MM:SS (12/24 hr)
DateFormat	YY-MM-DD-dd
Interface	I²C, 2-Wire Serial
Voltage-Supply	1.8V ~ 5.5V
Voltage-SupplyBattery	1.3V ~ 5.5V
Current-Timekeeping(Max)	1.2µA @ 3.3V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

概述

Description

The MCP79412T-I/MS is a real-time clock (RTC) integrated circuit from Microchip Technology. It is designed for low-power applications that require accurate timekeeping and features a built-in battery backup. This IC communicates via the I2C interface, making it easy to integrate with microcontrollers.
Key features include:
- Timekeeping: Provides seconds, minutes, hours, day, date, month, and year information with leap year compensation.
- Battery Backup: Maintains timekeeping during power outages using a backup battery.
- Oscillator: Contains a temperature-compensated crystal oscillator for precise timekeeping.
- EEPROM: Includes non-volatile EEPROM for data storage, allowing users to save configuration settings or sensor data.
- Programmable Alarms: Features programmable alarms and interrupts to wake the host microcontroller.
The MCP79412T-I/MS is suitable for various applications, including consumer electronics, IoT devices, and industrial automation, where accurate time and date tracking are essential.

Features

The MCP79412T-I/MS is a real-time clock (RTC) with an integrated EEPROM, designed for low-power applications. Key features include:
1. I2C Interface: Supports standard and fast modes for easy communication with microcontrollers.
2. Real-Time Clock: Provides timekeeping functions with a programmable square wave output.
3. Integrated EEPROM: Contains 64 bytes of EEPROM for non-volatile data storage.
4. Alarm and Timer Functions: Built-in alarms for setting time-based events.
5. Temperature Compensation: Enhances accuracy over a wide range of temperatures.
6. Low Power Consumption: Operates efficiently on low power, suitable for battery-operated devices.
7. Backup Battery Input: Maintains timekeeping during main power loss.
8. Wide Operating Voltage: Supports a voltage range of 1.8V to 5.5V.
These features make the MCP79412T-I/MS ideal for applications in consumer electronics, smart home devices, and industrial systems requiring precise timekeeping and data retention.

Package

The MCP79412T-I/MS is housed in a 14-pin TSSOP (Thin Shrink Small Outline Package) package type. This compact package is designed for space-constrained applications while providing easy integration into circuit boards.

Pinout

The MCP79412T-I/MS is a real-time clock (RTC) with a total of 8 pins. Below are the pin descriptions:
1. VSS (Ground): Connects to the system ground.
2. VCC (Power Supply): Supplies operating voltage (typically 1.8V to 5.5V).
3. SCL (I2C Clock): Serial clock line for I2C communication.
4. SDA (I2C Data): Serial data line for I2C communication.
5. SQW/INT (Square Wave/Interrupt): Outputs a square wave or an interrupt signal.
6. 32K (32.768 kHz Output): Provides a 32.768 kHz clock output.
7. VBAT (Battery Backup): Connects to a backup battery for maintaining time during power outages.
8. RST (Reset): Reset pin for initializing the device.
The MCP79412T-I/MS features a built-in EEPROM, programmable alarms, and various power-saving modes, making it suitable for applications requiring precise timekeeping and low power consumption.

Manufacturer

The manufacturer of the MCP79412T-I/MS is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and memory products. Founded in 1989, the company specializes in embedded control solutions and offers a wide range of products for various applications, including automotive, industrial, consumer, and communications markets. Microchip is known for its innovative technology and comprehensive development tools, supporting engineers in creating effective and efficient embedded systems.

Application

The MCP79412T-I/MS is a real-time clock (RTC) with EEPROM that is commonly used in applications requiring timekeeping and data storage. Its application areas include consumer electronics, industrial automation, medical devices, smart meters, and automotive systems. It provides accurate time tracking and can store critical configuration data, making it suitable for systems that need to maintain time during power loss.

Equivalent

Equivalent products to the MCP79412T-I/MS real-time clock chip include the DS3231, DS1307, and PCF8523. These alternatives offer similar functionalities like timekeeping and battery backup but may vary in features such as temperature compensation and I2C speeds. Always check specific datasheets for detailed comparisons.