MCP79401-I/ST
- Mfr.Part #
- MCP79401-I/ST
- Manufacturer
- Microchip Technology
- Package / Case
- 8-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR I2C 8-TSSOP
- Stock
- 7,559
- In Stock :
- 7,559
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- JESD-30 Code :
- R-PDSO-G8
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Product Category :
- Real Time Clock
- Mount :
- Surface Mount
- Manufacturer :
- Microchip
- Voltage - Supply :
- 1.8V~5.5V
- Operating Temperature :
- -40°C~85°C
- Product Status :
- Active
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Package Shape :
- RECTANGULAR
- Current - Timekeeping (Max) :
- 1.2μA Typ @ 3.3V
- Max Supply Voltage :
- 5.5 V
- Logic Function :
- Clock
- Screening Level :
- TS 16949
- Supply Voltage :
- 2.5V
- Qualification Status :
- Not Qualified
- Max Operating Temperature :
- 85 °C
- Pin Count :
- 8
- Number of Timers :
- 1
- Function :
- Clock/Calendar/Alarm/Battery Backup
- Seated Height-Max :
- 1.2 mm
- Peak Reflow Temperature (Cel) :
- 260
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Time-Min :
- SECONDS
- Surface Mount :
- yes
- Date Format :
- YY-MM-DD-dd
- Min Supply Voltage :
- 1.8 V
- Packaging :
- Tube
- Supplier Device Package :
- 8-TSSOP
- Height Seated (Max) :
- 1.2mm
- Base Part Number :
- MCP79401
- Temperature Grade :
- Industrial
- Brand :
- Microchip Technology / Atmel
- RoHS :
- Compliant
- JESD-609 Code :
- e3
- Supplier Package :
- TSSOP
- Terminal Position :
- Dual
- Radiation Hardening :
- No
- Maximum Operating Temperature :
- + 85 C
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Published :
- 2011
- Minimum Operating Temperature :
- - 40 C
- Package / Case :
- 8-TSSOP (0.173, 4.40mm Width)
- Interface :
- I2C, 2-Wire Serial
- Clock Frequency :
- 0.4MHz
- ECCN Code :
- EAR99
- Product Type :
- Real Time Clocks
- Reach Compliance Code :
- Compliant
- Information Access Method :
- I2C
- Base Product Number :
- MCP79401
- Type :
- Clock/Calendar
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Power Supplies :
- 2/5V
- Time Format :
- HH:MM:SS (12/24 hr)
- Bus Type :
- Serial I2C
- HTS Code :
- 8542.39.00.01
- Mounting Style :
- SMD/SMT
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Factory Lead Time :
- 6 Weeks
- Mounting Type :
- Surface Mount
- Length :
- 4.4mm
- Number of Terminals :
- 8
- Volatile :
- No
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Mounting :
- Surface Mount
- RoHS Status :
- ROHS3 Compliant
- Interrupt Capability :
- Y
- Memory Size :
- 64B
- Width :
- 3mm
- Terminal Pitch :
- 0.65mm
- Number of Terminations :
- 8
- Min Operating Temperature :
- -40 °C
- Package :
- Tube
- Series :
- --
- Number of Pins :
- 8
- Battery Backup Switching :
- Backup Switching
- Terminal Form :
- Gull wing
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Datasheets
- MCP79401-I/ST

Real Time Clocks Microchip Technology MCP79401-I/ST Overview
The MCP79401-I/ST by Microchip Technology is a highly reliable and accurate I2C-Interface RTC (Real-Time Clock) and calendar optimized for effective time tracking and data logging solutions. As a key component in sophisticated electronic systems, this device offers precision timekeeping with minimal power consumption, making it an ideal solution for battery-powered applications. Its integration of a battery-backup input and timestamp features facilitate long-term reliability and functionality in various industrial, commercial, and consumer applications. The Real Time Clocks Microchip Technology MCP79401-I/ST ensures consistent performance and ease of integration, enhancing the efficiency of electronic assemblies and supporting bulk purchasing by B2B customers.
MCP79401-I/ST Features
- Integrated EEPROM and SRAM for extended data storage.
- Automatic leap year compensation and timestamp on power-down for critical data retention.
- Battery-backed operation enhances reliability in fluctuating power conditions.
- Programmable clock output for diverse application needs.
- Small 8-pin TSSOP package suitable for compact PCB layouts.
MCP79401-I/ST Applications
- Consumer Electronics: Used in devices like digital cameras, smart watches, and other portable devices where accurate time is crucial.
- Industrial Systems: Ensures precise time management in systems like programmable logic controllers and industrial monitoring equipment.
- Telecommunication: Provides accurate timestamping in network equipment which helps in maintaining logs and data consistency across network nodes.
- Portable Medical Devices: Reliably tracks time and stores vital data in devices such as wearable health monitors and portable diagnostic systems.
- Automotive Electronics: Facilitates real-time clock functionalities in dashboards, navigation systems, and other vehicle electronics that require precise timekeeping.
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