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MCP7940N-I/MS

MCP7940N-I/MS

MCP7940N-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

MCP7940N-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
Minimum Operating Supply Voltage 1.8 V
Bus Type Serial I2C
Maximum Operating Supply Voltage 5.5 V
Mounting Surface Mount
Operating Temperature Classification Industrial
Package Type MSOP
Operating Supply Voltage (Max) 5.5(V)
Operating Supply Voltage (Typ) 2.5/3.3/5(V)
Rad Hardened No
Operating Supply Voltage (Min) 1.8(V)
Dimensions 3 x 3 x 0.95mm
Maximum Operating Temperature+85 °C
Functions Battery Backup, Calendar
Minimum Operating Temperature -40 °C
MSL -
Manufacturer Microchip
Brand Microchip Technology / Atmel
RoHS Details
Battery Backup Switching Backup Switching
Package Tube
Base Product Number MCP7940
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Operating Temperature-40°C~85°C
PackagingTube
Series Automotive, AEC-Q100
Published 2011
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 Temperature (Max) 85C
Operating Temperature (Min) -40C
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
Height 950μm
Length 3mm
Width 3mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:9463 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.92000$0.92
500$0.9108$455.4
1000$0.9016$901.6
1500$0.8924$1338.6
2000$0.8832$1766.4
2500$0.874$2185

MCP7940N-I/MS Product Details

MCP7940N-I/MS Overview


A package named 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) contains real time clocks.Tube is the packaging method.There is 1.8V~5.5V supply voltage for this electrical RTC.Electrical real time clocks of this type are Clock/Calendar.real time clock (RTC)s like this are mounted in the way of Surface Mount.-40°C~85°C is the operating temperature.When operating, you can ensure Alarm, Leap Year, Square Wave Output, SRAM.A transmission line can have a 8 termination by terminating it with a RTC module whose characteristic impedance matches the line's.In the case of this RTC real time clock, there is 2.5V voltage supplied to it.The RTCs are equipped with 8 pins.MCP7940N is the family name of this object.This electrical digital time clock is powered by 1.3V~5.5V voltage.Programs and data can be stored in the 64B memory embedded in the RTC times.There should not be a frequency higher than 0.032MHz in the output.Mounting type for the RTC module is Surface Mount.There is a power supply of 2/5V used to power the real time clock.8 pins are attached to it.Optimal efficiency requires a supply voltage of 2.5, 3.3, 5 V.A temperature above -40 °C is recommended for operation.Lower than 85 °C is the recommended operating temperature.Real time clocks operate with a voltage of 1.8 V.There is 5.5 V maximum supply voltage for real time clocks.Real time clocks of the series Automotive, AEC-Q100 are of this type.An electrical real time analog clock like this has a type TIMER, REAL TIME CLOCK for uPs/uCs/Peripheral ICs.A temperature below 85C°C should be maintained during operation.

MCP7940N-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


MCP7940N-I/MS Applications


There are a lot of Microchip Technology
MCP7940N-I/MS Real Time Clocks applications.


  • Industrial
  • Digital still camera
  • Digital video camera
  • Printers
  • Copy machines
  • Mobile equipment
  • Battery powered devices
  • Printers and copiers
  • Electronic metering
  • Digital cameras

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