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Microchip Technology MCP7940N-I/SN Microcontrollers

IC RTC CLK/CALENDAR I2C 8SOIC

3,797 ActiveMicrochip TechnologyMCP7940N$0.69
MCP7940N-I/SN - No Image Available

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MCP7940N-I/SN
Part Number (MPN)
MCP7940N-I/SN
Base Model
Detailed Description
IC RTC CLK/CALENDAR I2C 8SOIC
Lifecycle Status
Active
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Ordering Code Family

MCP7940N groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

5 ordering variants listed on the family page.

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Alternate Parts Comparison (MCP7940N-I/SN vs MCP7940N-I/P vs MCP7940N-E/MS vs MCP7940N-I/ST)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case--8-DIP8-TSSOP8-TSSOP
Mounting Type--Through HoleSurface MountSurface Mount
Operating Temperature---40°C ~ 85°C-40°C ~ 125°C-40°C ~ 85°C
Supply Voltage--1.8V ~ 5.5V1.8V ~ 5.5V1.8V ~ 5.5V
Memory Size--64B64B64B
Interface--I²C, 2-Wire SerialI²C, 2-Wire SerialI²C, 2-Wire Serial
Current Timekeeping Max--1.2µA @ 3.3V1.2µA @ 3.3V1.2µA @ 3.3V
Date Format--YY-MM-DD-ddYY-MM-DD-ddYY-MM-DD-dd
Features--Alarm, Leap Year, Square Wave Output, SRAMAlarm, Leap Year, Square Wave Output, SRAMAlarm, Leap Year, Square Wave Output, SRAM
Time Format--HH:MM:SS (12/24 hr)HH:MM:SS (12/24 hr)HH:MM:SS (12/24 hr)
Type--Clock/CalendarClock/CalendarClock/Calendar
Voltage Supply Battery--1.3V ~ 5.5V1.3V ~ 5.5V1.3V ~ 5.5V
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