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Microchip Technology MCP7940N-I/ST Microcontrollers

IC RTC CLK/CALENDAR I2C 8TSSOP

1,000 ActiveMicrochip TechnologyMCP7940N8-TSSOP (0.173", 4.40mm Width)$2.14
MCP7940N-I/ST - No Image Available

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MCP7940N-I/ST
Part Number (MPN)
MCP7940N-I/ST
Base Model
Detailed Description
IC RTC CLK/CALENDAR I2C 8TSSOP
Package
8-TSSOP (0.173", 4.40mm Width)
Lifecycle Status
Active
Datasheet
PDF MCP7940N-I/ST Datasheet
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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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Technical Specifications

Microchip Technology MCP7940N-I/ST Microcontrollers technical specifications.

General

Interface
I²C, 2-Wire Serial
Memory Size
64B
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
1.8V ~ 5.5V
Features
Alarm, Leap Year, Square Wave Output, SRAM
Type
Clock/Calendar
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd

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

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

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case8-TSSOP----8-DIP
Mounting TypeSurface Mount----Through Hole
Operating Temperature-40°C ~ 85°C-----40°C ~ 85°C
Supply Voltage1.8V ~ 5.5V----1.8V ~ 5.5V
Memory Size64B----64B
InterfaceI²C, 2-Wire Serial----I²C, 2-Wire Serial
Current Timekeeping Max1.2µA @ 3.3V----1.2µA @ 3.3V
Date FormatYY-MM-DD-dd----YY-MM-DD-dd
FeaturesAlarm, Leap Year, Square Wave Output, SRAM----Alarm, Leap Year, Square Wave Output, SRAM
Time FormatHH:MM:SS (12/24 hr)----HH:MM:SS (12/24 hr)
TypeClock/Calendar----Clock/Calendar
Voltage Supply Battery1.3V ~ 5.5V----1.3V ~ 5.5V
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