Operating Temperature -40°C~85°C
Packaging Tube
Published 1998
Series Automotive, AEC-Q100
JESD-609 Code e3
Feature Alarm, Leap Year, Square Wave Output, SRAM
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Type Clock/Calendar
Subcategory Timer or RTC
Technology CMOS
Voltage - Supply 1.8V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 260
Supply Voltage 2.5V
Terminal Pitch 1.27mm
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number MCP7940N
Pin Count 8
Power Supplies 2/5V
Interface I2C, 2-Wire Serial
Memory Size 64B
Logic Function Clock
Max Frequency 400kHz
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Current - Timekeeping (Max) 1.2μA @ 3.3V
Time-Min SECONDS
Interrupt Capability Y
Voltage - Supply, Battery 1.3V~5.5V
Volatile YES
Information Access Method I2C