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 | MCP7940N-I/SN | MCP79400-I/SN | MCP79402-I/SN | MCP7940NT-I/SN | MCP79401-I/SN | MCP7940M-I/SN | MCP7940MT-I/SN | MCP79402T-I/SN | MCP7940N-I/MS | MCP7940NT-E/SN |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | 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 | Small Outline Packages |
| Pin Count | 8 | 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 ~ 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 | -40.0°C ~ 125.0°C |
| Price | — | $0.7600 | $0.7700 | $0.8300 | $0.7600 | $0.8300 | $0.5400 | $0.5400 | $0.8300 | $0.7750 | $0.1896 |
| Stock | In 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 | ACTIVE |
| Electrical Parameters | |||||||||||
| Manufacturer Package Code | — | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | MSOP-8 | SOIC-8 |
| Factory Lead Time | — | 6 Weeks | 6 Weeks | 6 Weeks | 2 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 12 Weeks | 21 Weeks |
| YTEOL | — | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 |
| 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 | S-PDSO-G8 | R-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,.19 | SOP8,.23 |
| Package Shape | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR |
| 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 | TS 16949 | TS 16949 | AEC-Q100 | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 | AEC-Q100 |
| Supply Current-Max | — | 0.4 mA | 3 mA | 3 mA | 0.4 mA | 3 mA | 0.4 mA | 0.4 mA | 3 mA | 0.4 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 | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE |
| 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 | 0.65 mm | 1.27 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 | NO | NO | YES | NO | YES | YES | NO | YES | 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 MCP7940N-I/SN, MCP79400-I/SN, MCP79402-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.