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Microchip Technology MCP7940NT-I/MS

Microchip Technology MCP7940NT-I/MS

MPNMCP7940NT-I/MS
End of Life

IC RTC CLK/CALENDAR I2C 8-MSOP

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$2.27 / ea

45 in stock — maximum per order · 3–4 days lead time

$1.94 / ea from 10 pcs

Packaging8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
RoHSROHS3 Compliant
SeriesAutomotive, AEC-Q100
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Sep 2026

Specifications

MCP7940NT-I/MS specifications
ParameterValue
TypeClock/Calendar
SeriesAutomotive, AEC-Q100
MountingSurface Mount
Supply voltage1.8V ~ 5.5V
Voltage - supply, battery1.3V ~ 5.5V
Current - timekeeping1.2µA @ 3.3V
InterfaceI²C, 2-Wire Serial
Operating temperature-40°C ~ 85°C
PackageTape & Reel (TR); Cut Tape (CT)
FeaturesAlarm, Leap Year, Square Wave Output, SRAM
Date formatYY-MM-DD-dd
Memory size64B
Time formatHH:MM:SS (12/24 hr)
Case8-TSSOP, 8-MSOP (0.118\", 3.00mm Width)