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MCP7940NT-I/MNY

MCP7940NT-I/MNY

MCP7940NT-I/MNY

Microchip Technology

8 Terminations 2.5V 8 Pin MCP7940N Real Time Clocks Alarm, Leap Year, Square Wave Output, SRAM 0.032MHz Min 1.8 V V Max 5.5 V V

SOT-23

MCP7940NT-I/MNY Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 6 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Contact PlatingGold
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-WFDFN Exposed Pad
Surface MountYES
Number of Pins 8
Supplier Device Package 8-TDFN (2x3)
Number of Terminals 8
Mounting Style SMD/SMT
Supplier Package TDFN EP
Bus Type Serial I2C
Mounting Surface Mount
Dimensions 3 x 2 x 0.75mm
Minimum Operating Supply Voltage 1.8 V
Package Type TDFN
Maximum Operating Temperature+85 °C
Functions Calendar, Clock
Minimum Operating Temperature -40 °C
Maximum Operating Supply Voltage 5.5 V
MSL MSL 1 - Unlimited
Manufacturer Microchip
Brand Microchip Technology / Atmel
RoHS Details
Battery Backup Switching Backup Switching
Schedule B 8542390000, 8542390000/8542390000/8542390000/8542390000/8542390000
Package Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;
Base Product Number MCP7940
Mfr Microchip Technology
Product Status Active
Package Shape RECTANGULAR
Operating Temperature-40°C~85°C
PackagingTape & Reel (TR)
Series Automotive, AEC-Q100
Published 2011
JESD-609 Code e4
Feature Alarm, Leap Year, Square Wave Output, SRAM
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Type Clock/Calendar
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
HTS Code8542.39.00.01
Voltage - Supply 1.8V~5.5V
Terminal Position DUAL
Terminal FormNO LEAD
Peak Reflow Temperature (Cel) 260
Supply Voltage 2.5V
Terminal Pitch0.5mm
Reach Compliance Code compliant
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number MCP7940N
Pin Count8
JESD-30 Code R-PDSO-N8
Function Clock/Calendar/Alarm/Battery Backup
Qualification StatusNot Qualified
Operating Supply Voltage2.5, 3.3, 5 V
Power Supplies2/5V
Temperature GradeINDUSTRIAL
Interface I2C, 2-Wire Serial
Max Supply Voltage5.5 V
Min Supply Voltage1.8 V
Memory Size64B
uPs/uCs/Peripheral ICs Type TIMER, REAL TIME CLOCK
Clock Frequency 0.032MHz
Logic Function Clock
Seated Height-Max 0.8 mm
Product TypeReal Time Clocks
Screening Level Industrial
Time FormatHH:MM:SS (12/24 hr)
Date FormatYY-MM-DD-dd
Current - Timekeeping (Max) 1.2μA @ 3.3V
Time-Min SECONDS
Interrupt CapabilityY
Voltage - Supply, Battery 1.3V~5.5V
Volatile YES
Information Access Method I2C
Features Alarm, Leap Year, Square Wave Output, SRAM
Product CategoryReal Time Clock
Height 750μm
Length 3mm
Width 2mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:6956 items

Pricing & Ordering

QuantityUnit PriceExt. Price

MCP7940NT-I/MNY Product Details

MCP7940NT-I/MNY Overview


There is a package 8-WFDFN Exposed Pad that contains real time clocks.Tape & Reel (TR) is the way in which time clock is packaged.As far as the supply voltage for this electrical RTC is concerned, it is 1.8V~5.5V.This electrical real time clock belongs to the Clock/Calendar category.The way this real time clock (RTC) is mounted on the system board is Surface Mount.As far as the operating temperature are concerned, electronic time clocks should be -40°C~85°C.As long as Alarm, Leap Year, Square Wave Output, SRAM is ensured when operating, the system will work properly.With 8 terminations, transmission lines have the characteristic impedance of the RTC module terminating them.This RTC real time clock is powered by 2.5V volts.The board is equipped with a total of 8 pins.In the family MCP7940N, RTCs are a member.This electrical digital time clock is powered by a voltage that is 1.3V~5.5V at the time of installation.For storing the programs and data, the RTC times have an embedded memory of 64B for storing data and programs.A frequency above 0.032MHz should not be used for real time clocks' output.The mounting type of the RTC module is Surface Mount.There are 2/5V power supplies attached to it.It is equipped with 8 pins.In order to achieve high efficiency, the supply voltage should be kept at 2.5, 3.3, 5 V.Ideally, the operating temperature should be higher than -40 °C.Ideally, the operating temperature should be lower than 85 °C.The minimal supply voltage is 1.8 V.A maximum supply voltage of 5.5 V is used.It is a type of real time clock belonging to the Automotive, AEC-Q100 series.This electrical real time analog clock has the type TIMER, REAL TIME CLOCK of uPs/uCs/Peripheral ICs.

MCP7940NT-I/MNY Features


8-WFDFN Exposed Pad package
8 terminations
8 pin count
2/5V power supplies
Be maintained at 2.5, 3.3, 5 V for high efficiency.
Automotive, AEC-Q100 series


MCP7940NT-I/MNY Applications


There are a lot of Microchip Technology
MCP7940NT-I/MNY Real Time Clocks applications.


  • Portable instruments
  • Electronic metering
  • Battery powered products
  • Automotive
  • Industrial
  • Digital still camera
  • Digital video camera
  • Printers
  • Copy machines
  • Mobile equipment

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