MCP7940N-I/MSAlternatives & Equivalent Parts
About MCP7940N-I/MS
MCP7940N-I/MS is a Undefined or Miscellaneous component manufactured by Microchip. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | MCP7940N-I/MSSource | MAX3232ECPWR | B3SN-3012 | MCP7940M-I/MS | MCP7940N-I/SN | MCP79400-I/SN | MCP79402-I/SN |
|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Texas Instruments | Omron Electronics | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Other | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 16 | 4 | 8 | 8 | 8 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | ~ 70.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.7750 | $0.3408 | $0.3509 | $0.5800 | $0.7600 | $0.7700 | $0.8300 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Manufacturer Package Code | MSOP-8 | — | — | MSOP-8 | SOIC-8 | SOIC-8 | SOIC-8 |
| Factory Lead Time | 12 Weeks | — | — | 11 Weeks | 6 Weeks | 6 Weeks | 6 Weeks |
| YTEOL | 13 | 15 | — | 13 | 13 | 13 | 13 |
| Clock Frequency-Max | 0.032 MHz | — | — | 0.032 MHz | 0.032 MHz | 0.032 MHz | 0.032 MHz |
| Information Access Method | SERIAL(I2C) | — | — | SERIAL(I2C) | SERIAL(I2C) | SERIAL(I2C) | SERIAL(I2C) |
| Interrupt Capability | Y | — | — | Y | Y | Y | Y |
| JESD-30 Code | S-PDSO-G8 | R-PDSO-G16 | — | S-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e3 | e4 | — | e3 | e3 | e3 | e3 |
| On Chip Data RAM Width | 8 | — | — | 8 | 8 | 8 | 8 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.19 | TSSOP16,.25 | — | SOP8,.19 | SOP8,.23 | SOP8,.23 | SOP8,.23 |
| Package Shape | SQUARE | RECTANGULAR | — | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (words) | 64 | — | — | 64 | 64 | 64 | 64 |
| Screening Level | TS 16949 | — | — | TS 16949 | AEC-Q100 | TS 16949 | TS 16949 |
| Supply Current-Max | 0.4 mA | 1 mA | — | 0.4 mA | 0.4 mA | 3 mA | 3 mA |
| Supply Voltage-Max | 5.5 V | 3.6 V | — | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 1.8 V | 3 V | — | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Supply Voltage-Nom | 2.5 V | 3.3 V | — | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Surface Mount | YES | YES | — | YES | YES | YES | YES |
| Technology | CMOS | BICMOS | — | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | COMMERCIAL | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | — | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | — | 0.65 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | — | DUAL | DUAL | DUAL | DUAL |
| Time-Min | SECONDS | — | — | SECONDS | SECONDS | SECONDS | SECONDS |
| Volatile | YES | — | — | YES | YES | NO | NO |
| uPs/uCs/Peripheral ICs Type | TIMER, REAL TIME CLOCK | — | — | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK |
| ## MCP7940N-I/MS Alternates Showing results | Image | — | — | — | — | — | — |
| Pbfree Code | — | Yes | — | — | — | — | — |
| Additional Feature | — | CAN ALSO OPERATE WITH 5V SUPPLY | — | — | — | — | — |
| Differential Output | — | NO | — | — | — | — | — |
| Driver Number of Bits | — | 2 | — | — | — | — | — |
| High Level Input Current-Max | — | 0.000001 A | — | — | — | — | — |
| Input Characteristics | — | SCHMITT TRIGGER | — | — | — | — | — |
| Interface IC Type | — | LINE TRANSCEIVER | — | — | — | — | — |
| Interface Standard | — | EIA-232-F; TIA-232-F; V.28 | — | — | — | — | — |
| Number of Functions | — | 2 | — | — | — | — | — |
| Out Swing-Min | — | 10 V | — | — | — | — | — |
| Output Low Current-Max | — | 0.0016 A | — | — | — | — | — |
| Output Polarity | — | INVERTED | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | — | — | 260 | 260 | 260 |
| Receive Delay-Max | — | 300 ns | — | — | — | — | — |
| Receiver Number of Bits | — | 2 | — | — | — | — | — |
| Supply Voltage1-Max | — | 3.6 V | — | — | — | — | — |
| Supply Voltage1-Min | — | 3 V | — | — | — | — | — |
| Supply Voltage1-Nom | — | 3.3 V | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — | — | — | — | — |
| ## MAX3232ECPWR Alternates Showing results | — | Image | — | — | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 6 alternatives for MCP7940N-I/MS — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for MCP7940N-I/MS is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating MCP7940N-I/MS replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to MCP7940N-I/MS?
Known equivalents for MCP7940N-I/MS include MAX3232ECPWR, B3SN-3012, MCP7940M-I/MS. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MCP7940N-I/MS?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify MCP7940N-I/MS alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.