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Microcontrollers and Processors / Timers or RTCs / MCP7940NT-I/SN
Datasheets
MCP7940NT-I/SN by: Microchip Technology Inc

REAL TIME CLOCK, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8

Part Details for MCP7940NT-I/SN by Microchip Technology Inc

Results Overview of MCP7940NT-I/SN by Microchip Technology Inc

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

MCP7940NT-I/SN Information

MCP7940NT-I/SN by Microchip Technology Inc is a Timer or RTC.
Timers or RTCs are under the broader part category of Microcontrollers and Processors.

Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.

Price & Stock for MCP7940NT-I/SN

Part # Distributor Description Stock Price Buy
DISTI # 2857529RL
Farnell RTC, I2C, SERIAL, 5.5V, SOIC-8 RoHS: Compliant Min Qty: 100 Lead time: 7 Weeks, 1 Days Container: Reel 9612
  • 100 $0.8427
  • 3,300 $0.8415
$0.8415 / $0.8427 Buy Now
DISTI # 2857529
Farnell RTC, I2C, SERIAL, 5.5V, SOIC-8 RoHS: Compliant Min Qty: 1 Lead time: 7 Weeks, 1 Days Container: Cut Tape 9612
  • 1 $0.8452
  • 25 $0.8440
  • 100 $0.8427
  • 3,300 $0.8415
$0.8415 / $0.8452 Buy Now
DISTI # MCP7940NT-I/SN
Avnet Americas Real Time Clock Serial 64Byte 8-Pin SOIC N T/R - Tape and Reel (Alt: MCP7940NT-I/SN) RoHS: Compliant Min Qty: 3300 Package Multiple: 3300 Lead time: 4 Weeks, 0 Days Container: Reel 0
  • 3,300 $0.8463
  • 6,600 $0.8277
  • 13,200 $0.8091
  • 19,800 $0.7905
  • 26,400 $0.7347
$0.7347 / $0.8463 Buy Now
DISTI # MCP7940NT-I/SN
Microchip Technology Inc RTCC with battery-backed SRAM, SOIC, Projected EOL: 2039-03-25 RoHS: Compliant Lead time: 5 Weeks, 0 Days Container: Reel 429625

COO: Thailand
  • 1 $0.8500
  • 25 $0.7900
  • 100 $0.7600
  • 1,000 $0.7000
  • 5,000 $0.6800
$0.6800 / $0.8500 Buy Now
DISTI # 70452595
RS I2C GP RTCC, 64B SRAM8 SOIC 3.90mm(.150in) T/R | Microchip Technology Inc. MCP7940NT-I/SN RoHS: Not Compliant Min Qty: 3300 Package Multiple: 1 Lead time: 52 Weeks, 0 Days Container: Bulk 0
  • 3,300 $0.9000
  • 33,000 $0.8600
  • 165,000 $0.8100
  • 330,000 $0.7700
$0.7700 / $0.9000 RFQ
Bristol Electronics   2297
RFQ
NAC I2C GP RTCC, 64B SRAM - Package: 8 SOIC 3.90mm(.150in) T/R RoHS: Compliant Min Qty: 1 Package Multiple: 3300 438900
  • 1 $0.9500
  • 100 $0.8600
  • 500 $0.7900
  • 1,000 $0.7700
$0.7700 / $0.9500 Buy Now
DISTI # SMC-MCP7940NT-I/SN
Sensible Micro Corporation OEM Excess 5-7 Days Leadtime, We are an AS6081 Certified Vendor, 1 Yr Warranty RoHS: Not Compliant Min Qty: 25 Lead time: 2 Weeks, 0 Days 11500
RFQ
DISTI # MCP7940NT-I/SN
Avnet Silica Real Time Clock Serial 64Byte 8-Pin SOIC N T/R (Alt: MCP7940NT-I/SN) RoHS: Compliant Min Qty: 3300 Package Multiple: 3300 Lead time: 6 Weeks, 0 Days Silica - 0
Buy Now
Chip-Germany GmbH   RoHS: Not Compliant 346
RFQ
DISTI # MCP7940NT-I/SN
EBV Elektronik Real Time Clock Serial 64Byte 8-Pin SOIC N T/R (Alt: MCP7940NT-I/SN) RoHS: Compliant Min Qty: 3300 Package Multiple: 3300 Lead time: 5 Weeks, 0 Days EBV - 0
Buy Now
Win Source Electronics Low-Cost I2C Real-Time Clock/Calendar with SRAM and Battery Switchover | IC RTC CLK/CALENDAR I2C 8-SOIC 55760
  • 90 $0.5676
  • 190 $0.5310
  • 295 $0.5127
  • 425 $0.4761
  • 550 $0.4578
  • 685 $0.4395
$0.4395 / $0.5676 Buy Now

Part Details for MCP7940NT-I/SN

MCP7940NT-I/SN CAD Models

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MCP7940NT-I/SN Part Data Attributes

Parametric Data
MCP7940NT-I/SN Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
MCP7940NT-I/SN Microchip Technology Inc REAL TIME CLOCK, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Part Package Code SOIC
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 4 Weeks
Samacsys Manufacturer Microchip
Clock Frequency-Max 0.032 MHz
External Data Bus Width
Information Access Method SERIAL(I2C)
Interrupt Capability Y
JESD-30 Code R-PDSO-G8
JESD-609 Code e3
Length 4.9 mm
Moisture Sensitivity Level 1
Number of Terminals 8
Number of Timers
On Chip Data RAM Width 8
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP8,.23
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
RAM (words) 64
Screening Level AEC-Q100
Seated Height-Max 1.75 mm
Supply Current-Max 0.4 mA
Supply Voltage-Max 5.5 V
Supply Voltage-Min 1.8 V
Supply Voltage-Nom 2.5 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time-Min SECONDS
Time@Peak Reflow Temperature-Max (s) 30
Volatile YES
Width 3.9 mm
uPs/uCs/Peripheral ICs Type TIMER, REAL TIME CLOCK

Alternate Parts for MCP7940NT-I/SN

This table gives cross-reference parts and alternative options found for MCP7940NT-I/SN. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of MCP7940NT-I/SN, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
MCP7940NT-E/SN Microchip Technology Inc Check for Price MCP7940NT-E/SN MCP7940NT-I/SN vs MCP7940NT-E/SN
Part Number Manufacturer Composite Price Description Compare
MCP7940N-E/SN Microchip Technology Inc $0.9199 REAL TIME CLOCK MCP7940NT-I/SN vs MCP7940N-E/SN
MCP7940M-I/MS Microchip Technology Inc $0.7033 REAL TIME CLOCK MCP7940NT-I/SN vs MCP7940M-I/MS
MCP7940N-I/P Microchip Technology Inc $0.9181 MCP7940N-I/P MCP7940NT-I/SN vs MCP7940N-I/P
MCP7940NT-E/MS Microchip Technology Inc $1.0805 MCP7940NT-E/MS MCP7940NT-I/SN vs MCP7940NT-E/MS
MCP7940NT-I/MNY Microchip Technology Inc $0.9417 REAL TIME CLOCK, PDSO8, 2 X 3 MM, 0.75 MM HEIGHT, PLASTIC, TDFN-8 MCP7940NT-I/SN vs MCP7940NT-I/MNY
MCP7940MT-I/MNY Microchip Technology Inc $0.7471 REAL TIME CLOCK MCP7940NT-I/SN vs MCP7940MT-I/MNY
MCP7940NT-I/ST Microchip Technology Inc $1.0040 REAL TIME CLOCK, PDSO8, 4.40 MM, PLASTIC, TSSOP-8 MCP7940NT-I/SN vs MCP7940NT-I/ST
MCP7940N-I/MS Microchip Technology Inc $0.8028 REAL TIME CLOCK, PDSO8, PLASTIC, MSOP-8 MCP7940NT-I/SN vs MCP7940N-I/MS

MCP7940NT-I/SN Related Parts

MCP7940NT-I/SN Frequently Asked Questions (FAQ)

  • The MCP7940NT-I/SN can support clock frequencies up to 32 kHz.

  • The MCP7940NT-I/SN automatically accounts for leap years, so no additional programming is required.

  • Yes, the MCP7940NT-I/SN has a battery input pin (VBAT) that allows it to maintain the RTC and SRAM contents during power failures.

  • The internal oscillator on the MCP7940NT-I/SN has an accuracy of ±10 ppm over the operating temperature range.

  • Yes, the MCP7940NT-I/SN has a high-accuracy oscillator that can be calibrated to achieve an accuracy of ±1 ppm or better.

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