MCP7940N-E/SN
- Mfr.Part #
- MCP7940N-E/SN
- Manufacturer
- Microchip Technology
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR I2C 8-SOIC
- Stock
- 92,864
- In Stock :
- 92,864
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Time Format :
- HH:MM:SS (12/24 hr)
- Supplier Package :
- SOIC
- Number of Terminals :
- 8
- Terminal Position :
- Dual
- Mounting Style :
- SMD/SMT
- Height :
- 1.5mm
- Weight :
- 540.001716mg
- RoHS Status :
- ROHS3 Compliant
- Peak Reflow Temperature (Cel) :
- 260
- Mounting Type :
- Surface Mount
- RoHS :
- Details
- Height Seated (Max) :
- 1.75mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Factory Lead Time :
- 6 Weeks
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Bus Type :
- Serial I2C
- Package Shape :
- RECTANGULAR
- Product Category :
- Real Time Clock
- Base Part Number :
- MCP7940N
- Base Product Number :
- MCP7940
- Type :
- Clock/Calendar
- Interrupt Capability :
- Y
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Series :
- Automotive, AEC-Q100
- Date Format :
- YY-MM-DD-dd
- Terminal Pitch :
- 1.27mm
- Logic Function :
- Clock
- Lead Free :
- Lead Free
- Product Type :
- Real Time Clocks
- Terminal Form :
- Gull wing
- Reach Compliance Code :
- Compliant
- Interface :
- I2C, 2-Wire Serial
- Current - Timekeeping (Max) :
- 1.2μA @ 3.3V
- Temperature Grade :
- Automotive
- JESD-609 Code :
- e3
- Memory Size :
- 64B
- Mount :
- Surface Mount
- Number of Terminations :
- 8
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM
- Number of Timers :
- 1
- Product Status :
- Active
- Supply Voltage :
- 2.5V
- Package Type :
- SOIC
- Information Access Method :
- I2C
- Qualification Status :
- Not Qualified
- Number of Pins :
- 8
- Function :
- Clock/Calendar/Alarm/Battery Backup
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Package :
- Tube
- Voltage - Supply, Battery :
- 1.3V~5.5V
- MSL :
- MSL 3 - 168 hours
- Minimum Operating Supply Voltage :
- 1.8 V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Screening Level :
- TS 16949
- Operating Temperature :
- -40°C~125°C
- Minimum Operating Temperature :
- -40 °C
- Battery Backup Switching :
- Backup Switching
- Maximum Operating Temperature :
- +125 °C
- Surface Mount :
- yes
- Published :
- 2012
- HTS Code :
- 8542.39.00.01
- Manufacturer :
- Microchip
- Supplier Device Package :
- 8-SOIC
- Width :
- 3.9mm
- Packaging :
- Tube
- Volatile :
- No
- Mounting :
- Surface Mount
- Seated Height-Max :
- 1.75 mm
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Pin Count :
- 8
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM
- Length :
- 4.9mm
- Power Supplies :
- 2/5V
- Brand :
- Microchip Technology / Atmel
- Dimensions :
- 4.9 x 3.9 x 1.5mm
- JESD-30 Code :
- R-PDSO-G8
- Time-Min :
- SECONDS
- ECCN Code :
- EAR99
- Voltage - Supply :
- 1.8V~5.5V
- Maximum Operating Supply Voltage :
- 5.5 V
- Datasheets
- MCP7940N-E/SN

Real Time Clocks Texas Instruments BQ32002D Overview
The Real Time Clocks Texas Instruments BQ32002D is an integral component designed to meet the rigorous demands of precise time tracking within electronic devices. Manufactured by Texas Instruments, this real-time clock (RTC) combines the efficiency of I2C and 2-wire serial communication interfaces in a compact 8SOIC package. The BQ32002D is engineered to provide reliable timekeeping features with minimal power consumption and enhanced stability, making it an ideal choice for applications requiring accurate clock functionalities over extended periods. Its robust feature set ensures that it integrates seamlessly into various sophisticated electronic systems, catering to a broad spectrum of industrial requirements.
BQ32002D Features
The Texas Instruments BQ32002D stands out with several key features that enhance its utility in numerous applications. It supports both I2C and 2-wire serial interfaces for versatile connectivity options. The device's low power consumption makes it suitable for battery-operated applications, while its compact 8SOIC package allows for easy integration into space-constrained designs. Additionally, the BQ32002D's built-in crystal compensation ensures high accuracy and stability of timekeeping, crucial for critical systems operations.
BQ32002D Applications
- Consumer Electronics: Utilized in devices such as smart watches, clocks, and home automation systems, the BQ32002D ensures accurate timekeeping that enhances device functionality and user experience.
- Telecommunications: In networking equipment like routers and switches, the BQ32002D provides the necessary timing solutions for data logging and time-stamping, crucial for network reliability and troubleshooting.
- Industrial Systems: Applied in systems requiring time-stamped data for operational audits and maintenance scheduling, this RTC helps maintain precise logs, which are essential for compliance and efficiency analyses.
- Automotive Electronics: Used in vehicle telematics systems, the BQ32002D helps in tracking and recording trip times, which is critical for fleet management and navigation systems.
- Healthcare Devices: Integrated into medical equipment such as patient monitoring systems and wearable health trackers, it provides essential timekeeping for accurate health data logging and management.
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