Microchip Technology MCP79410-I/MS Real Time Clock
Best reliable timekeeping solution for automotive and industrial embedded projects.
The Microchip Technology MCP79410-I/SN is a reliable Real-Time Clock/Calendar designed for demanding automotive applications. It accurately tracks time across all standard calendar units and offers flexible alarm configurations. With support for high-speed I2C communications up to 400 kHz, integration is seamless. This component also features 64 bytes of integrated serial memory and a battery backup capability, all housed within an 8-pin SOIC N package, ensuring robust performance and added utility.
$122.63
Owner Satisfaction
4.7
/ 5
Category Rank
44
/ 1009
#44 in Integrated Circuits & Chips
Price vs Category Average
+41%
Above average
Interface
2400
/ Serial (IC up to kHz)
Who it's for
- Engineers needing secure data storage and simplified system designs
- Developers requiring precise timekeeping across varying environmental conditions
- Designers building systems that demand reliable power-fail data logging
Who should skip it
- Developers building systems requiring high-speed data throughput
- Hobbyists lacking advanced surface-mount soldering equipment or experience
- Programmers preferring plug-and-play components without complex firmware calibration
Performance breakdown
Timekeeping Precision
Maintains highly accurate calendar tracking across all standard time units.
Communication Speed
I2C interface handles data transfers efficiently at 400 kHz.
Integration Versatility
Compact 8-pin SOIC footprint simplifies layout in space-constrained designs.
Reliability Standards
Automotive-grade construction ensures consistent performance under demanding environmental conditions.
Memory Utility
Integrated 64 bytes of serial memory provides useful auxiliary storage space.
Power Resilience
Battery backup capability prevents data loss during unexpected power interruptions.
Key Specs
Interface
Serial (I2C up to 400 kHz)
Memory Capacity
64 bytes
Package Type
Small Outline Integrated Circuit (SOIC)
Manufacturer
Microchip Technology
Model Number
MCP79410-I/SN
Functionality
Clock/Calendar/Alarm/Battery Backup
Pin Count
8 pins
Mounting Type
Surface Mount
Features
- Accurate timekeeping for all calendar units
- Configurable alarms for flexible scheduling
- High-speed I2C communication support
- Integrated 64 bytes of serial memory
- Automotive-grade reliability
- Clock, Calendar, and Alarm functions
- Battery backup capability
What customers say
Customers overwhelmingly praise the Microchip MCP79410 for its exceptional reliability and integrated features, making it ideal for embedded systems. The core timekeeping accuracy is consistently excellent, meeting professional project demands. A significant advantage highlighted by users is the built-in 64-byte nonvolatile SRAM. This memory reduces external component needs and simplifies the Bill of Materials. Integration is straightforward, supported by clear documentation. The automatic switchover to battery backup ensures continuous operation during power loss. Reviewers view this component as offering outstanding value, combining dependable timekeeping with essential integrated storage. It is highly recommended for applications prioritizing accuracy and onboard data retention.
Know before you buy
Yes, this component is specifically designed with automotive-grade reliability, making it robust enough to handle the temperature fluctuations and performance demands typical of vehicle electronics.
It features a battery backup capability, which allows the chip to continue tracking time and maintaining its calendar functions even when the main system power is disconnected.
This model utilizes a standard I2C serial interface, supporting high-speed communication up to 400 kHz for efficient data exchange with your microcontroller.
Yes, the chip includes 64 bytes of integrated serial memory, which can be used to store small amounts of configuration data or user-defined information alongside the clock functions.
The MCP79410-I/SN comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is designed for surface-mount assembly on printed circuit boards.
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