MCP7940N-I/SNAlternatives & Equivalent Parts
About MCP7940N-I/SN
MCP7940N-I/SN is a Integrated Circuit 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/SNSource | MCP7940NT-I/SN | MCP7940NT-E/SN | MCP79400-I/SN | MCP79402-I/SN | MCP79401-I/SN | MCP7940M-I/SN | MCP7940MT-I/SN | MCP79402T-I/SN | MCP7940N-I/MS |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°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 | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.7600 | $0.7600 | $0.1896 | $0.7700 | $0.8300 | $0.8300 | $0.5400 | $0.5400 | $0.8300 | $0.7750 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||
| Manufacturer Package Code | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | MSOP-8 |
| Factory Lead Time | 6 Weeks | 2 Weeks | 21 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 12 Weeks |
| YTEOL | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Clock Frequency-Max | 0.032 MHz | 0.032 MHz | 0.032 MHz | 0.032 MHz | 0.032 MHz | 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) | SERIAL(I2C) | SERIAL(I2C) | SERIAL(I2C) | SERIAL(I2C) | SERIAL(I2C) |
| Interrupt Capability | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | S-PDSO-G8 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.23 | SOP8,.23 | SOP8,.23 | SOP8,.23 | SOP8,.23 | SOP8,.23 | SOP8,.23 | SOP8,.23 | SOP8,.23 | SOP8,.19 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (words) | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 |
| Screening Level | AEC-Q100 | AEC-Q100 | AEC-Q100 | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 |
| Supply Current-Max | 0.4 mA | 0.4 mA | 0.4 mA | 3 mA | 3 mA | 3 mA | 0.4 mA | 0.4 mA | 3 mA | 0.4 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Supply Voltage-Nom | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | 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 | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time-Min | SECONDS | SECONDS | SECONDS | SECONDS | SECONDS | SECONDS | SECONDS | SECONDS | SECONDS | SECONDS |
| Volatile | YES | YES | YES | NO | NO | NO | YES | YES | NO | YES |
| 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 | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK | TIMER, REAL TIME CLOCK |
| Reach Compliance Code | — | Compliant | — | — | — | — | — | — | — | — |
| ## MCP7940NT-I/SN Alternates Showing results | — | Image | — | — | — | — | — | — | — | — |
| ## MCP7940MT-I/SN Alternates Showing results | — | — | — | — | — | — | — | Image | — | — |
| ## MCP7940N-I/MS Alternates Showing results | — | — | — | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for MCP7940N-I/SN 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/SN 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/SN?
Known equivalents for MCP7940N-I/SN include MCP7940NT-I/SN, MCP7940NT-E/SN, MCP79400-I/SN. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MCP7940N-I/SN?
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/SN 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.