8-SOIC
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MCP7940N-I/SN

Digi-Key Part Number
MCP7940N-I/SN-ND
Manufacturer
Microchip Technology
Manufacturer Product Number
MCP7940N-I/SN
Description
IC RTC CLK/CALENDAR I2C 8-SOIC
Manufacturer Standard Lead Time
52 Weeks
Detailed Description
Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)
Customer Reference
Datasheet Datasheet
Product Attributes
Type
Description
Select
Category
Mfr
Microchip Technology
Series
Automotive, AEC-Q100
Package
Tube
Part Status
Active
Type
Clock/Calendar
Features
Alarm, Leap Year, Square Wave Output, SRAM
Memory Size
64B
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
I²C, 2-Wire Serial
Voltage - Supply
1.8V ~ 5.5V
Voltage - Supply, Battery
1.3V ~ 5.5V
Current - Timekeeping (Max)
1.2µA @ 3.3V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Base Product Number
MCP7940
Documents & Media
Resource TypeLink
Datasheets
Design Resources
Featured ProductReal-Time Clocks/Calendars
PCN Design/Specification
PCN Assembly/OriginManufacturing Change 07/Apr/2022
PCN Packaging
HTML DatasheetI²C™ & SPI Family Brochure
EDA / CAD Models
ErrataMCP7940N Errata
Environmental & Export Classifications
AttributeDescription
RoHS StatusROHS3 Compliant
Moisture Sensitivity Level (MSL)1 (Unlimited)
REACH StatusREACH Unaffected
ECCNEAR99
HTSUS8542.39.0001
All prices are in GBP
Tube
QtyUnit PriceExt Price
1£0.71000£0.71
25£0.70160£17.54
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Additional Resources
AttributeDescription
Other NamesMCP7940NISN
Standard Package100
Substitutes (7)
Part No.ManufacturerQuantity AvailableDigi-Key Part No.Unit PriceSubstitute Type
DS1308U-33+TAnalog Devices Inc./Maxim Integrated15,408DS1308U-33+TCT-ND£3.61000Similar
DS1339U-3+Analog Devices Inc./Maxim Integrated4,790DS1339U-3+-ND£4.07000Similar
M41ST85WMH6FSTMicroelectronics2,048497-4695-1-ND£9.20000Similar
DS1308U-33+Analog Devices Inc./Maxim Integrated1,620DS1308U-33+-ND£4.15000Similar
ISL12058IRTZRenesas Electronics America Inc1,037ISL12058IRTZ-ND£2.39000Similar