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MCP7940M-I/MS by: Microchip Technology Inc

RTCC with SRAM (no battery backing)

Part Details for MCP7940M-I/MS by Microchip Technology Inc

Results Overview of MCP7940M-I/MS by Microchip Technology Inc

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MCP7940M-I/MS Information

MCP7940M-I/MS 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 MCP7940M-I/MS

Part # Distributor Description Stock Price Buy
DISTI # 79T6323
Newark Real Time Clock/Calender, 64B, I2C, Msop-8, Date Format:Dd:Mm:Yyyy, Clock Format:Hh:Mm:Ss, Clock Ic Type:Rtc, Supply Voltage Min:1.8V, Supply Voltage Max:5.5V, Clock Ic Case Style:Msop, No. Of Pins:8Pins, Ic Interface Type:I2C Rohs Compliant: Yes |Microchip MCP7940M-I/MS RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 604
  • 1 $0.7100
  • 10 $0.6850
  • 25 $0.6600
  • 50 $0.6400
  • 100 $0.6200
$0.6200 / $0.7100 Buy Now
DISTI # 79T6323
Avnet Americas RTC IC, YY-MM-DD-DW, HH:MM:SS: 12Hr / 24Hr, I2C, 1.8 V to 5.5 V, 8 Pins, MSOP - Bulk (Alt: 79T6323) COO: Thailand RoHS: Compliant Min Qty: 1 Package Multiple: 1 Container: Bulk 604 Partner Stock
  • 1 $0.7100
  • 10 $0.6850
  • 25 $0.6600
  • 50 $0.6400
  • 100 $0.6200
$0.6200 / $0.7100 Buy Now
DISTI # MCP7940M-I/MS
Avnet Americas - Rail/Tube (Alt: MCP7940M-I/MS) COO: Thailand RoHS: Compliant Min Qty: 500 Package Multiple: 100 Lead time: 5 Weeks, 0 Days Container: Tube 0
  • 500 $0.7571
  • 700 $0.7162
  • 1,200 $0.6974
  • 2,500 $0.6795
  • 5,000 $0.6625
$0.6625 / $0.7571 Buy Now
DISTI # MCP7940M-I/MS
Microchip Technology Inc RTCC with SRAM (no battery backing), MSOP, Projected EOL: 2039-02-23 COO: Thailand ECCN: EAR99 RoHS: Compliant Lead time: 5 Weeks, 0 Days Container: Tube In Stock: 8002 and Alternates Available
  • 1 $0.7100
  • 25 $0.6600
  • 100 $0.6200
  • 1,000 $0.5900
  • 5,000 $0.5800
$0.5800 / $0.7100 Buy Now
DISTI # 70388869
RS MICROCHIP MCP7940M-I/MS, REAL TIME CLOCK, 64B RAM SERIAL-I2C, 8-PIN MSOP Min Qty: 600 Package Multiple: 1 Lead time: 52 Weeks, 0 Days Container: Bulk 0
  • 600 $1.2500
$1.2500 RFQ
DISTI # MCP7940M-I/MS
TME IC: RTC circuit, I2C, SRAM, 64BSRAM, 1.8÷5.5VDC, MSOP8, -40÷85°C Min Qty: 1 0
  • 1 $0.9100
  • 5 $0.8100
  • 25 $0.7700
  • 100 $0.7600
$0.7600 / $0.9100 RFQ
NAC I2C RTCC, 64B SRAM, No VBAT. Package: 8 MSOP 3x3mm TUBE - RTCC/CHARM Product Line RoHS: Compliant Min Qty: 500 Package Multiple: 100 Container: Tube 0
  • 1 $0.8200
  • 100 $0.7400
  • 500 $0.6800
  • 1,000 $0.6600
$0.6600 / $0.8200 Buy Now
DISTI # MCP7940M-I/MS
Avnet Silica RTC IC YYMMDDDW HHMMSS 12Hr 24Hr I2C 18 V to 55 V 8 Pins MSOP (Alt: MCP7940M-I/MS) RoHS: Compliant Min Qty: 500 Package Multiple: 100 Lead time: 7 Weeks, 0 Days Silica - 0
Buy Now
Chip Stock RealTimeClockSerial64byteClock/Calendar/AlarmAutomotiveAEC-Q1008-PinMSOPTube 18545
RFQ
DISTI # MCP7940M-I/MS
EBV Elektronik RTC IC YYMMDDDW HHMMSS 12Hr 24Hr I2C 18 V to 55 V 8 Pins MSOP (Alt: MCP7940M-I/MS) RoHS: Compliant Min Qty: 500 Package Multiple: 100 Lead time: 6 Weeks, 0 Days EBV - 0
Buy Now
LCSC I2C External Yes MSOP-8 Real Time Clocks RoHS 31
  • 1 $1.6704
  • 10 $1.4303
  • 30 $1.2803
  • 100 $1.1259
  • 500 $1.0570
  • 1,000 $1.0264
$1.0264 / $1.6704 Buy Now

US Tariff Estimator: MCP7940M-I/MS by Microchip Technology Inc

Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.

MCP7940M-I/MS
Microchip Technology Inc
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Part Details for MCP7940M-I/MS

MCP7940M-I/MS CAD Models

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MCP7940M-I/MS Part Data Attributes

Parametric Data
MCP7940M-I/MS Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
MCP7940M-I/MS Microchip Technology Inc RTCC with SRAM (no battery backing)
Rohs Code Yes
Part Life Cycle Code Active
Package Description Sop, Sop8,.19
Pin Count 8
Manufacturer Package Code MSOP-8
Reach Compliance Code Compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 5 Weeks
Clock Frequency-Max 0.032 Mhz
External Data Bus Width
Information Access Method Serial(I2c)
Interrupt Capability Y
JESD-30 Code S-PDSO-G8
JESD-609 Code e3
Length 3 Mm
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,.19
Package Shape Square
Package Style Small Outline
Qualification Status Not Qualified
RAM (words) 64
Screening Level Ts 16949
Seated Height-Max 1.1 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 0.65 Mm
Terminal Position Dual
Time-Min Seconds
Volatile Yes
Width 3 Mm
uPs/uCs/Peripheral ICs Type Timer, Real Time Clock

Alternate Parts for MCP7940M-I/MS

This table gives cross-reference parts and alternative options found for MCP7940M-I/MS. 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 MCP7940M-I/MS, 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
MCP7940M-I/ST Microchip Technology Inc $0.6709 RTCC with SRAM (no battery backing) MCP7940M-I/MS vs MCP7940M-I/ST
MCP7940MT-I/ST Microchip Technology Inc $0.7865 RTCC with SRAM (no battery backing) MCP7940M-I/MS vs MCP7940MT-I/ST
MCP7940N-I/MS Microchip Technology Inc $0.7920 RTCC with battery-backed SRAM MCP7940M-I/MS vs MCP7940N-I/MS
MCP7940N-I/P Microchip Technology Inc $0.8910 RTCC with battery backed SRAM MCP7940M-I/MS vs MCP7940N-I/P
MCP7940NT-I/MNY Microchip Technology Inc $0.9069 RTCC with battery-backed SRAM MCP7940M-I/MS vs MCP7940NT-I/MNY
MCP7940NT-E/MS Microchip Technology Inc $1.0805 RTCC with battery-backed SRAM MCP7940M-I/MS vs MCP7940NT-E/MS
MCP7940NT-E/SN Microchip Technology Inc Check for Price RTCC with battery-backed SRAM MCP7940M-I/MS vs MCP7940NT-E/SN
MCP7940NT-I/MS Microchip Technology Inc Check for Price RTCC with battery-backed SRAM MCP7940M-I/MS vs MCP7940NT-I/MS
MCP7940MT-I/SNVAO Microchip Technology Inc Check for Price RTCC with SRAM (no battery backing) MCP7940M-I/MS vs MCP7940MT-I/SNVAO
MCP7940N-E/SNVAO Microchip Technology Inc Check for Price RTCC with battery-backed SRAM MCP7940M-I/MS vs MCP7940N-E/SNVAO
equivalents icon

MCP7940M-I/MS Related Parts

MCP7940M-I/MS Frequently Asked Questions (FAQ)

  • The MCP7940M-I/MS can support clock frequencies up to 32 kHz.

  • The MCP7940M-I/MS automatically accounts for leap years, so no additional programming is required.

  • Yes, the MCP7940M-I/MS has a battery input pin (VBAT) that allows it to maintain the RTC and SRAM data during power failures.

  • The internal oscillator on the MCP7940M-I/MS has an accuracy of ±10 ppm over the operating temperature range.

  • Yes, the MCP7940M-I/MS has a high accuracy timekeeping capability, making it suitable for applications that require precise timekeeping.

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