MCP79400T-I/SN
- Mfr.Part #
- MCP79400T-I/SN
- Manufacturer
- Microchip Technology
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR I2C 8-SOIC
- Stock
- 22,433
- In Stock :
- 22,433
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Interface :
- I2C, 2-Wire Serial
- Maximum Operating Temperature :
- + 85 C
- Qualification Status :
- Not Qualified
- Surface Mount :
- yes
- Series :
- -
- Number of Terminals :
- 8
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Published :
- 1998
- Temperature Grade :
- Industrial
- Reach Compliance Code :
- Compliant
- Minimum Operating Temperature :
- - 40 C
- Screening Level :
- TS 16949
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Logic Function :
- Clock
- Battery Backup Switching :
- Backup Switching
- RoHS Status :
- ROHS3 Compliant
- Min Operating Temperature :
- -40 °C
- Manufacturer :
- Microchip
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Base Product Number :
- MCP79400
- Mount :
- Surface Mount
- Function :
- Clock/Calendar/Alarm/Battery Backup
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Voltage - Supply :
- 1.8V~5.5V
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Information Access Method :
- I2C
- ECCN Code :
- EAR99
- Non-Volatile Memory :
- 64 B
- Radiation Hardening :
- No
- Interrupt Capability :
- Y
- Factory Lead Time :
- 7 Weeks
- Mounting Type :
- Surface Mount
- Mounting Style :
- SMD/SMT
- Length :
- 4.9mm
- Supplier Package :
- SOIC N
- Product Type :
- Real Time Clocks
- Terminal Position :
- Dual
- Package Shape :
- RECTANGULAR
- Terminal Pitch :
- 1.27mm
- JESD-609 Code :
- e3
- Brand :
- Microchip Technology
- Type :
- Clock/Calendar
- Peak Reflow Temperature (Cel) :
- 260
- Date Format :
- YY-MM-DD-dd
- RoHS :
- Compliant
- Lead Free :
- Lead Free
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Clock Frequency :
- 0.4MHz
- JESD-30 Code :
- R-PDSO-G8
- Base Part Number :
- MCP79400
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Packaging :
- Tape and Reel (TR)
- HTS Code :
- 8542.39.00.01
- Time-Min :
- SECONDS
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Seated Height-Max :
- 1.75 mm
- Product Status :
- Active
- Operating Temperature :
- -40°C~85°C
- Width :
- 3.9mm
- Height Seated (Max) :
- 1.75mm
- Mounting :
- Surface Mount
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Memory Size :
- 64 B
- Number of Terminations :
- 8
- Terminal Form :
- Gull wing
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pin Count :
- 8
- Max Operating Temperature :
- 85 °C
- Min Supply Voltage :
- 1.8 V
- Power Supplies :
- 2/5V
- Max Supply Voltage :
- 5.5 V
- Supply Voltage :
- 2.5V
- Time Format :
- HH:MM:SS (12/24 hr)
- Product Category :
- Real Time Clock
- Volatile :
- No
- Supplier Device Package :
- 8-SOIC
- Bus Type :
- Serial I2C
- Current - Timekeeping (Max) :
- 1.2μA Typ @ 3.3V
- Number of Timers :
- 1
- Number of Pins :
- 8
- Schedule B :
- 8542390000
- Datasheets
- MCP79400T-I/SN

Real Time Clocks Microchip Technology MCP79400T-I/SN Overview
The MCP79400T-I/SN by Microchip Technology is a state-of-the-art Real Time Clock/Calendar optimized for effective time tracking and system management. Designed for precision and reliability, it integrates seamlessly into a variety of microcontroller systems through its I2C interface, offering a robust package of features tailored for complex applications. This IC ensures accurate timekeeping with minimal power requirements, making it an ideal choice for enhancing the functionality and efficiency of embedded systems. Utilizing the Real Time Clocks Microchip Technology MCP79400T-I/SN can significantly improve system reliability in time-sensitive applications, ensuring that both time and date functions are maintained under stringent conditions.
MCP79400T-I/SN Features
The MCP79400T-I/SN includes multiple features that make it a versatile component in any time-critical application. Key features include battery backup capability, automatic leap year compensation, and an I2C interface for straightforward integration with existing systems. Its compact 8SOIC package allows for minimal footprint on PCBs while providing robust timekeeping functionalities that meet stringent industry standards.
MCP79400T-I/SN Applications
- Consumer Electronics: Used in devices such as smart watches, alarm clocks, and home automation systems to maintain accurate time even during power outages.
- Industrial Systems: Essential for time stamping and time-based control in manufacturing processes, ensuring synchronized operations across various components.
- Telecommunication Infrastructure: Provides the timing needed for data logging and system maintenance schedules, crucial for network reliability and efficiency.
- Automotive Systems: Helps in event data recording and real-time clock functionalities in dashboards and navigation systems to provide accurate time stamps and improve system integration.
- Medical Devices: Used in medical monitoring equipment to ensure precise time tracking required for time-sensitive medication schedules and patient monitoring logs.
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