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MCP7940NT-I/MS

MCP7940NT-I/MS

MCP7940NT-I/MS

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/MS Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Surface MountYES
Number of Pins 8
Supplier Device Package 8-MSOP
Number of Terminals 8
Mounting Style SMD/SMT
Supplier Package MSOP
Bus Type Serial I2C
Mounting Surface Mount
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature - 40 C
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 SQUARE
Operating Temperature-40°C~85°C
PackagingTape & Reel (TR)
Series Automotive, AEC-Q100
Published 2012
JESD-609 Code e3
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 Matte Tin (Sn) - annealed
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
HTS Code8542.39.00.01
Voltage - Supply 1.8V~5.5V
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 2.5V
Terminal Pitch0.65mm
Reach Compliance Code compliant
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number MCP7940N
Pin Count8
JESD-30 Code S-PDSO-G8
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 1.1 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
Length 3mm
Height Seated (Max) 1.1mm
Width 3mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:8691 items

Pricing & Ordering

QuantityUnit PriceExt. Price

MCP7940NT-I/MS Product Details

MCP7940NT-I/MS Overview


The package 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) contains real time clocks.The package is in the form of Tape & Reel (TR).This electrical RTC has a supply voltage of 1.8V~5.5V.This electrical real time clock has the type Clock/Calendar.Surface Mount is the way this real time clock (RTC) is mounted.Electronic time clocks are recommended that the operating temperature be -40°C~85°C.When operating, Alarm, Leap Year, Square Wave Output, SRAM can be ensured.It is possible to terminate a transmission line with a RTC module that matches the characteristic impedance of the line, which is known as 8 termination.Obviously, a voltage of 2.5V is being supplied to this electronic component.There are 8 pins on it.The family RTCs belongs to are MCP7940N.This electrical digital time clock has a 1.3V~5.5V supply voltage.For storing data and programs, the RTC times embed a memory of 64B.Real time clocks' output frequency should not exceed 0.032MHz.Surface Mount is the mounting type of the RTC module.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/MS Features


8-TSSOP, 8-MSOP (0.118, 3.00mm Width) 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/MS Applications


There are a lot of Microchip Technology
MCP7940NT-I/MS 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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