MCP7940MT-I/MNY
- Mfr.Part #
- MCP7940MT-I/MNY
- Manufacturer
- Microchip Technology
- Package / Case
- 8-WFDFN Exposed Pad
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR I2C 8-TDFN
- Stock
- 3,095
- In Stock :
- 3,095
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Terminal Position :
- Dual
- Published :
- 2012
- RoHS Status :
- ROHS3 Compliant
- Packaging :
- Tape and Reel (TR)
- Supplier Package :
- TDFN EP
- Maximum Operating Temperature :
- + 85 C
- Length :
- 2mm
- Product Type :
- Real Time Clocks
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Mounting Style :
- SMD/SMT
- Information Access Method :
- I2C
- Series :
- --
- Reach Compliance Code :
- Compliant
- Voltage - Supply, Battery :
- --
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM
- RoHS :
- Details
- Pin Count :
- 8
- Time Format :
- HH:MM:SS (12/24 hr)
- Width :
- 3mm
- Minimum Operating Temperature :
- - 40 C
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM
- Peak Reflow Temperature (Cel) :
- 260
- Base Part Number :
- MCP7940M
- Product Status :
- Active
- Type :
- Clock/Calendar
- Logic Function :
- Clock
- Supply Voltage :
- 2.5V
- Screening Level :
- Industrial
- Terminal Pitch :
- 0.5mm
- Supplier Device Package :
- 8-TDFN (2x3)
- Interrupt Capability :
- Y
- Battery Backup Switching :
- No Backup Switching
- Qualification Status :
- Not Qualified
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Operating Temperature :
- -40°C~85°C
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Brand :
- Microchip Technology / Atmel
- Base Product Number :
- MCP7940
- Manufacturer :
- Microchip
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Date Format :
- YY-MM-DD-dd
- REACH SVHC :
- No SVHC
- Volatile :
- No
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Package / Case :
- 8-WFDFN Exposed Pad
- Number of Terminals :
- 8
- Radiation Hardening :
- No
- Lead Free :
- Lead Free
- JESD-609 Code :
- e4
- Number of Timers :
- 1
- Terminal Form :
- NO LEAD
- Package Shape :
- RECTANGULAR
- Time-Min :
- SECONDS
- Factory Lead Time :
- 6 Weeks
- HTS Code :
- 8542.39.00.01
- Number of Pins :
- 8
- JESD-30 Code :
- R-PDSO-N8
- Product Category :
- Real Time Clock
- Seated Height-Max :
- 0.8 mm
- Mounting :
- Surface Mount
- Function :
- Clock/Calendar/Alarm
- Height :
- 750μm
- Temperature Grade :
- Industrial
- Number of Terminations :
- 8
- Interface :
- I2C, 2-Wire Serial
- Bus Type :
- Serial I2C
- Non-Volatile Memory :
- 64 B
- Mounting Type :
- Surface Mount
- Surface Mount :
- yes
- Power Supplies :
- 2/5V
- Voltage - Supply :
- 1.8V~5.5V
- Memory Size :
- 64B
- ECCN Code :
- EAR99
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Current - Timekeeping (Max) :
- 1μA @ 5.5V
- Datasheets
- MCP7940MT-I/MNY

Real Time Clocks Microchip Technology MCP7940MT-I/MNY Overview
The MCP7940MT-I/MNY from Microchip Technology stands out as a high-precision real-time clock/calendar, specifically engineered for efficient time tracking and data logging applications within embedded systems. This integrated circuit excels in managing date and time with accuracy, leveraging minimal power consumption. It's designed to maintain stable operation even under fluctuating environmental conditions, making it a reliable choice for critical applications requiring continuous timekeeping. The inclusion of EEPROM memory enhances its utility, allowing for the storage of critical data which can be preserved even in the event of a power loss. This key feature ensures that the Real Time Clocks Microchip Technology MCP7940MT-I/MNY is not only functional but also adaptable to a variety of advanced time-sensitive applications in commercial and industrial sectors.
MCP7940MT-I/MNY Features
The MCP7940MT-I/MNY is equipped with several standout features that make it an indispensable component in modern electronic systems. It offers precise timekeeping with a built-in 32.768 kHz crystal oscillator, and an I2C interface for straightforward communication with microcontrollers. Its automatic leap year compensation and battery-backed operation ensure uninterrupted service and reliability. Additionally, this IC includes multiple programmable alarms, enabling it to meet diverse application requirements. The small 8TDFN package ensures that it is ideal for compact designs, making it perfect for integration into space-constrained applications.
MCP7940MT-I/MNY Applications
- Smart Home Devices: Enhances the functionality of devices such as smart thermostats and home automation controllers by providing precise time for scheduling tasks.
- Wearable Technology: Used in smart watches and fitness trackers to manage time-based features like alarms, activity logging, and sleep tracking.
- Industrial Systems: Integral to time-stamping in data loggers and ensuring accurate scheduling in automated manufacturing processes.
- Automotive Systems: Critical for time-stamping and event logging within vehicle telematics and infotainment systems.
- Portable Medical Devices: Ensures accurate timekeeping in devices like glucose monitors and portable ECGs, which rely on time-stamped data for patient monitoring.
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