MCP79412-I/MS
- Mfr.Part #
- MCP79412-I/MS
- Manufacturer
- Microchip Technology
- Package / Case
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR I2C 8-MSOP
- Stock
- 1,021
- In Stock :
- 1,021
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Operating Supply Current :
- 1 uA
- Minimum Operating Temperature :
- -40 °C
- Date Format :
- YY-MM-DD-dd
- Screening Level :
- Industrial
- Manufacturer :
- Microchip
- Brand :
- Microchip Technology / Atmel
- Terminal Pitch :
- 0.65mm
- Seated Height-Max :
- 1.1 mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Maximum Operating Temperature :
- +85 °C
- Published :
- 2011
- Product Category :
- Real Time Clock
- Qualification Status :
- Not Qualified
- Current - Timekeeping (Max) :
- 1.2μA @ 3.3V
- Supplier Package :
- MSOP
- Product Type :
- Real Time Clocks
- Function :
- Calendar, Clock
- Base Product Number :
- MCP79412
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Height Seated (Max) :
- 1.1mm
- Package :
- Tube
- Time-Min :
- SECONDS
- Operating Temperature :
- -40°C~85°C
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Time Format :
- HH:MM:SS (12/24 hr)
- Temperature Grade :
- Industrial
- JESD-30 Code :
- S-PDSO-G8
- Max Supply Voltage :
- 5.5 V
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Factory Lead Time :
- 7 Weeks
- HTS Code :
- 8542.39.00.01
- Series :
- --
- Logic Function :
- Clock
- Type :
- Clock/Calendar
- Maximum Operating Supply Voltage :
- 5.5 V
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Bus Type :
- Serial I2C
- Length :
- 3mm
- Volatile :
- No
- Minimum Operating Supply Voltage :
- 1.8 V
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Battery Backup Switching :
- Backup Switching
- Number of Terminals :
- 8
- Min Operating Temperature :
- -40 °C
- Reach Compliance Code :
- Compliant
- Package Type :
- MSOP
- Product Status :
- Active
- Clock Frequency :
- 0.4MHz
- Power Supplies :
- 2/5V
- Min Supply Voltage :
- 1.8 V
- Additional Feature :
- ALSO OPERATES AT 100KHZ WITH 1.8 V NOMINAL
- Information Access Method :
- I2C
- Radiation Hardening :
- No
- ECCN Code :
- EAR99
- Schedule B :
- 8542390000, 8542390000/8542390000/8542390000/8542390000/8542390000
- Packaging :
- Tube
- JESD-609 Code :
- e3
- Terminal Position :
- Dual
- RoHS :
- Compliant
- Base Part Number :
- MCP79412
- Surface Mount :
- yes
- Mounting Type :
- Surface Mount
- Mount :
- Surface Mount
- Mounting Style :
- SMD/SMT
- Package Shape :
- Square
- Height :
- 0.95mm
- Number of Pins :
- 8
- Interrupt Capability :
- Y
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Memory Size :
- 64B 1Kb
- RoHS Status :
- ROHS3 Compliant
- Number of Terminations :
- 8
- Terminal Form :
- Gull wing
- Interface :
- I2C, 2-Wire Serial
- Voltage - Supply :
- 1.8V~5.5V
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Mounting :
- Surface Mount
- Max Operating Temperature :
- 85 °C
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Supply Voltage :
- 5V
- Peak Reflow Temperature (Cel) :
- 260
- Width :
- 3mm
- Pin Count :
- 8
- Dimensions :
- 3 x 3 x 0.95mm
- Supplier Device Package :
- 8-MSOP
- Datasheets
- MCP79412-I/MS

Real Time Clocks Microchip Technology MCP79412-I/MS Overview
The MCP79412-I/MS from Microchip Technology is a sophisticated real time clock/calendar optimized for effective time tracking and data logging solutions. This component integrates seamlessly into various digital systems requiring accurate timekeeping and reliable performance. Embedded with EEPROM memory and a unique ID, the MCP79412-I/MS offers not just basic clock features but also additional functionalities that are essential for backup and restoration processes in power-failure scenarios. Utilizing I2C communication, this IC ensures easy integration with existing microcontroller-based systems, making it a versatile choice for developers and engineers.
MCP79412-I/MS Features
The MCP79412-I/MS boasts several features that enhance its utility in complex electronic setups. Key features include:
- Accurate clock/calendar functionality with leap year compensation.
- Integrated 64-byte battery-backed SRAM and 1 Kbit EEPROM for data storage.
- I2C interface for simple integration and programming.
- Automatic switchover to battery backup and timestamp on power loss.
- Unique MAC address provision for networked devices.
MCP79412-I/MS Applications
- Consumer Electronics: Used in smart home devices and wearables to provide real-time clock functionality that ensures reliable device operation even during power outages.
- Industrial Systems: Ideal for time-stamping critical operations and logs in automation systems and machinery, enhancing traceability and scheduling accuracy.
- Telecommunication Equipment: Supports network time protocols in routers and switches, facilitating precise timekeeping over networks.
- Portable Devices: Its low power consumption and compact footprint make it suitable for portable medical devices like glucometers and digital thermometers, providing time stamps for every measurement.
- Automotive: Used in onboard diagnostics systems to log the exact times of events, which is crucial for maintenance and troubleshooting.
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