MCP79402-I/SN
- Mfr.Part #
- MCP79402-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
- 3,203
- In Stock :
- 3,203
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Time@Peak Reflow Temperature-Max (s) :
- 40
- RoHS :
- Compliant
- Max Supply Voltage :
- 5.5 V
- Reach Compliance Code :
- Compliant
- Product Type :
- Real Time Clocks
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Interrupt Capability :
- Y
- Time Format :
- HH:MM:SS (12/24 hr)
- Number of Terminations :
- 8
- Supply Voltage :
- 2.5V
- Type :
- Clock/Calendar
- Packaging :
- Tube
- Mounting :
- Surface Mount
- Clock Frequency :
- 0.4MHz
- HTS Code :
- 8542.39.00.01
- Memory Size :
- 64B
- Number of Timers :
- 1
- Brand :
- Microchip Technology / Atmel
- Package Shape :
- RECTANGULAR
- Logic Function :
- Clock
- Manufacturer :
- Microchip
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Volatile :
- No
- Max Operating Temperature :
- 85 °C
- Width :
- 3.9mm
- Temperature Grade :
- Industrial
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Voltage - Supply :
- 1.8V~5.5V
- Seated Height-Max :
- 1.75 mm
- JESD-30 Code :
- R-PDSO-G8
- Base Product Number :
- MCP79402
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Base Part Number :
- MCP79402
- Product Category :
- Real Time Clock
- Supplier Package :
- SOIC N
- RoHS Status :
- ROHS3 Compliant
- Time-Min :
- SECONDS
- ECCN Code :
- EAR99
- Screening Level :
- TS 16949
- Bus Type :
- Serial I2C
- Series :
- --
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Height :
- 1.5mm
- Current - Timekeeping (Max) :
- 1.2μA Typ @ 3.3V
- Mounting Style :
- SMD/SMT
- Maximum Operating Temperature :
- + 85 C
- Min Supply Voltage :
- 1.8 V
- Operating Temperature :
- -40°C~85°C
- Mount :
- Surface Mount
- Published :
- 2011
- Battery Backup Switching :
- Backup Switching
- Factory Lead Time :
- 6 Weeks
- Radiation Hardening :
- No
- Function :
- Clock/Calendar/Alarm/Battery Backup
- Terminal Form :
- Gull wing
- JESD-609 Code :
- e3
- Length :
- 4.9mm
- Pin Count :
- 8
- Information Access Method :
- I2C
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Mounting Type :
- Surface Mount
- Schedule B :
- 8542390000, 8542390000/8542390000/8542390000/8542390000/8542390000
- Min Operating Temperature :
- -40 °C
- Terminal Position :
- Dual
- Power Supplies :
- 2/5V
- Peak Reflow Temperature (Cel) :
- 260
- MSL :
- MSL 1 - Unlimited
- Interface :
- I2C, 2-Wire Serial
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Product Status :
- Active
- REACH SVHC :
- No SVHC
- Number of Terminals :
- 8
- Minimum Operating Temperature :
- - 40 C
- Qualification Status :
- Not Qualified
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Surface Mount :
- yes
- Terminal Pitch :
- 1.27mm
- Package :
- Tube
- Supplier Device Package :
- 8-SOIC
- Number of Pins :
- 8
- Date Format :
- YY-MM-DD-dd
- Datasheets
- MCP79402-I/SN

Real Time Clocks Microchip Technology MCP79402-I/SN Overview
Introducing the MCP79402-I/SN by Microchip Technology, a state-of-the-art Real Time Clocks (RTC) component that ensures precise timekeeping and data management for sophisticated electronic systems. This IC RTC integrates seamlessly into various applications, offering a clock/calendar functionality combined with ample EEPROM storage and a unique ID. The device operates via an I2C interface, making it a versatile choice for designers looking for a reliable time solution that integrates easily with existing architectures. Its compact 8-SOIC package is designed for streamlined surface mounting, thereby reducing space and enhancing performance in dense circuit designs.
MCP79402-I/SN Features
The MCP79402-I/SN stands out with its rich set of features which include:
- Real-time clock/calendar tracks hours, minutes, and seconds in 12 or 24-hour formats.
- Battery-backed operation ensures timekeeping continues even during power loss.
- 64 bytes of EEPROM with additional unique ID allowing for secure data storage and device authentication.
- Automatic leap year compensation and programmable alarms enhance utility and flexibility.
- Low power consumption and extended temperature range make it ideal for demanding applications.
MCP79402-I/SN Applications
- Consumer Electronics: Used in devices like smart home systems and wearables to maintain accurate timekeeping and device settings after power cycles.
- Industrial Systems: Provides reliable time stamps for data logging systems crucial in monitoring and control applications.
- Telecommunication: Assists in network time synchronization across various equipment, maintaining accurate logging and operations.
- Automotive: Employs in onboard systems to ensure functionality of time-based features such as clock displays and parking timers.
- Medical Devices: Keeps track of time in medical equipment, ensuring accurate event logging and medication schedules.
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