Skip to main content

Microchip Technology MCP7940N-I/P Microcontrollers

IC RTC CLOCK/CALENDAR I2C 8DIP

5,000 ActiveMicrochip TechnologyMCP7940N8-DIP (0.300", 7.62mm)$2.19
MCP7940N-I/P 8-DIP (0.300", 7.62mm) package illustration

Same model may have multiple batches, images only for reference.

MCP7940N-I/P
Part Number (MPN)
MCP7940N-I/P
Base Model
Detailed Description
IC RTC CLOCK/CALENDAR I2C 8DIP
Package
8-DIP (0.300", 7.62mm)
Lifecycle Status
Active
Datasheet
PDF MCP7940N-I/P Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

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.

View all variants

Technical Specifications

Microchip Technology MCP7940N-I/P Microcontrollers technical specifications.

General

Interface
I²C, 2-Wire Serial
Memory Size
64B
RoHS
Yes
Package / Case
8-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Features
Alarm, Leap Year, Square Wave Output, SRAM
Type
Clock/Calendar

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

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

This PartAlternate PartsAlternate PartsAlternate Parts
Mounting TypeThrough HoleSMD/SMTSMD/SMTSurface Mount
Supply Voltage1.8V ~ 5.5V1.8 V ~ 5.5 V1.8 V ~ 5.5 V1.8V ~ 5.5V
RoHSYesYesYesYes
Date FormatYY-MM-DD-ddYY-MM-DD-ddYY-MM-DD-ddYY-MM-DD-dd
PackagePDIP-8SOIC-88-TSSOP8-TSSOP
Time FormatHH:MM:SS (12/24 hr)HH:MM:SS (12 hr, 24 hr)HH:MM:SS (12 hr, 24 hr)HH:MM:SS (12/24 hr)
Battery Backup SwitchingBackup SwitchingBackup SwitchingBackup Switching--
FunctionAlarm, Calendar, ClockAlarm, Calendar, ClockAlarm, Calendar, Clock--
Rtc Bus InterfaceSerial, 2-Wire, I2CSerial, 2-Wire, I2CSerial, 2-Wire, I2C--
Rtc Memory Size64 B64 B64 B--
Unit Weight0.032805 oz0.019048 oz0.004938 oz--
Action

More Parts in Microcontrollers

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.