MCP23S17T-E/SOAlternatives & Equivalent Parts
About MCP23S17T-E/SO
MCP23S17T-E/SO 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 | MCP23S17T-E/SOSource | MCP23S17T-E/ML | ATSAMC21J18A-ANT | ATSAMC21J18A-AUT | M95M04-DWMN3TP/V | AD9266BCPZ-80 | MCP73833-NVI/MF | MCP23S18-E/SO |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | STMicroelectronics | Analog Devices | Microchip | Microchip |
| Package Type | Small Outline Packages | Quad Flat No-Lead | Quad Flat Packages | Quad Flat Packages | Small Outline Packages | Quad Flat No-Lead | Small Outline No-lead | Small Outline Packages |
| Pin Count | 28 | 28 | 64 | 64 | 8 | 32 | 10 | 28 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | — | -40.0°C ~ 125.0°C |
| Price | $1.2400 | $1.1200 | $3.5600 | $3.6400 | $2.8654 | $75.1300 | $0.2400 | $1.5400 |
| 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 |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | Yes | Yes | — | No | Yes | — |
| Manufacturer Package Code | SOIC-28 | VQFN-28 | TQFP-64 | TQFP-64 | — | CP-32-12 | DFN-10 | SOIC-28 |
| Factory Lead Time | 1 Week | 7 Weeks | 7 Weeks | 1 Week | — | — | 3 Weeks | 2 Weeks |
| YTEOL | 8 | 8 | 19 | 18 | 15 | 10 | 9 | 9 |
| CPU Family | MCP23X17 | MCP23X17 | CORTEX-M0 | CORTEX-M0 | — | — | — | — |
| Clock Frequency-Max | 10 MHz | 10 MHz | 48 MHz | 48 MHz | — | — | — | 10 MHz |
| JESD-30 Code | R-PDSO-G28 | S-PQCC-N28 | S-PQFP-G64 | S-PQFP-G64 | R-PDSO-G8 | S-XQCC-N32 | — | R-PDSO-G28 |
| JESD-609 Code | e3 | e3 | e3 | e3 | — | e3 | — | e3 |
| Number of Bits | 16 | 16 | — | — | — | 16 | — | 16 |
| Number of I/O Lines | 16 | 16 | 52 | 52 | — | — | — | 16 |
| Number of Ports | 2 | 2 | — | — | — | — | — | 2 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | — | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 | LCC28,.24SQ,25 | TQFP64,.47SQ | TQFP64,.47SQ | SOP8,.25 | LCC32,.2SQ,20 | — | SOP28,.4 |
| Package Shape | RECTANGULAR | SQUARE | SQUARE | SQUARE | RECTANGULAR | SQUARE | — | RECTANGULAR |
| Package Style | SMALL OUTLINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | SMALL OUTLINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | — | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 250 | 260 | 260 | 260 | — | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | — | — | Not Qualified | Not Qualified | Not Qualified |
| Supply Current-Max | 1 mA | 1 mA | 6.6 mA | 6.6 mA | 0.003 mA | — | — | 1 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V | — | — | — | 5.5 V |
| Supply Voltage-Min | 4.5 V | 4.5 V | 2.7 V | 2.7 V | — | — | — | 1.8 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V | 5 V | — | 1.8 V | — | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | — | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | — | CMOS |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | 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) |
| Terminal Form | GULL WING | NO LEAD | GULL WING | GULL WING | GULL WING | NO LEAD | — | GULL WING |
| Terminal Pitch | 1.27 mm | 0.65 mm | 0.5 mm | 0.5 mm | 1.27 mm | 0.5 mm | — | 1.27 mm |
| Terminal Position | DUAL | QUAD | QUAD | QUAD | DUAL | QUAD | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | 30 | 30 | — | 30 | — | — |
| uPs/uCs/Peripheral ICs Type | PARALLEL IO PORT, GENERAL PURPOSE | PARALLEL IO PORT, GENERAL PURPOSE | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | — | PARALLEL IO PORT, GENERAL PURPOSE |
| ## MCP23S17T-E/SO Alternates Showing results | Image | — | — | — | — | — | — | — |
| ## MCP23S17T-E/ML Alternates Showing results | — | Image | — | — | — | — | — | — |
| Has ADC | — | — | YES | YES | — | — | — | — |
| Bit Size | — | — | 32 | 32 | — | — | — | — |
| Boundary Scan | — | — | NO | NO | — | — | — | — |
| DAC Channels | — | — | YES | YES | — | — | — | — |
| DMA Channels | — | — | YES | YES | — | — | — | — |
| Format | — | — | FIXED POINT | FIXED POINT | — | — | — | — |
| Integrated Cache | — | — | YES | YES | — | — | — | — |
| Low Power Mode | — | — | YES | YES | — | — | — | — |
| Number of DMA Channels | — | — | 12 | 12 | — | — | — | — |
| Number of External Interrupts | — | — | 16 | 16 | — | — | — | — |
| Number of Serial I/Os | — | — | 4 | 4 | — | — | — | — |
| Number of Timers | — | — | 8 | 8 | — | — | — | — |
| On Chip Data RAM Width | — | — | 8 | 8 | — | — | — | — |
| On Chip Program ROM Width | — | — | 8 | 8 | — | — | — | — |
| PWM Channels | — | — | YES | YES | — | — | — | — |
| RAM (bytes) | — | — | 32768 | 32768 | — | — | — | — |
| RAM (words) | — | — | 32768 | 32768 | — | — | — | — |
| ROM (words) | — | — | 262144 | 262144 | — | — | — | — |
| ROM Programmability | — | — | FLASH | FLASH | — | — | — | — |
| Speed | — | — | 48 MHz | 48 MHz | — | — | — | — |
| ## ATSAMC21J18A-ANT Alternates Showing results | — | — | Image | — | — | — | — | — |
| ## ATSAMC21J18A-AUT Alternates Showing results | — | — | — | Image | — | — | — | — |
| Clock Frequency-Max (fCLK) | — | — | — | — | 10 MHz | — | — | — |
| Data Retention Time-Min | — | — | — | — | 10 | — | — | — |
| Endurance | — | — | — | — | 1000000 Write/Erase Cycles | — | — | — |
| Memory Density | — | — | — | — | 4194304 bit | — | — | — |
| Memory IC Type | — | — | — | — | EEPROM | — | — | — |
| Memory Width | — | — | — | — | 8 | — | — | — |
| Number of Functions | — | — | — | — | 1 | 1 | — | — |
| Number of Words | — | — | — | — | 524288 words | — | — | — |
| Number of Words Code | — | — | — | — | 512000 | — | — | — |
| Operating Mode | — | — | — | — | SYNCHRONOUS | — | — | — |
| Organization | — | — | — | — | 512KX8 | — | — | — |
| Parallel/Serial | — | — | — | — | SERIAL | — | — | — |
| Programming Voltage | — | — | — | — | 3.6 V | — | — | — |
| Screening Level | — | — | — | — | AEC-Q100 | — | — | — |
| Serial Bus Type | — | — | — | — | SPI | — | — | — |
| Standby Current-Max | — | — | — | — | 0.00003 A | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | 2.9 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | — | 3.6 V | — | — | — |
| Write Cycle Time-Max (tWC) | — | — | — | — | 4 ms | — | — | — |
| ## M95M04-DWMN3TP/V Alternates Showing results | — | — | — | — | Image | — | — | — |
| Analog Input Voltage-Max | — | — | — | — | — | 2 V | — | — |
| Conversion Time-Max | — | — | — | — | — | 0.0125 µs | — | — |
| Converter Type | — | — | — | — | — | ADC, PROPRIETARY METHOD | — | — |
| Linearity Error-Max (EL) | — | — | — | — | — | 0.0094% | — | — |
| Number of Analog In Channels | — | — | — | — | — | 1 | — | — |
| Output Bit Code | — | — | — | — | — | OFFSET BINARY, 2S COMPLEMENT BINARY, GRAY CODE | — | — |
| Output Format | — | — | — | — | — | PARALLEL, WORD | — | — |
| Sample Rate | — | — | — | — | — | 80 MHz | — | — |
| Sample and Hold / Track and Hold | — | — | — | — | — | SAMPLE | — | — |
| ## AD9266BCPZ-80 Alternates Showing results | — | — | — | — | — | Image | — | — |
| Analog IC - Other Type | — | — | — | — | — | — | LINEAR BATTERY CHARGER | — |
| ## MCP73833-NVI/MF Alternates Showing results | — | — | — | — | — | — | Image | — |
| ## MCP23S18-E/SO 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?
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When evaluating MCP23S17T-E/SO 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 MCP23S17T-E/SO?
Known equivalents for MCP23S17T-E/SO include MCP23S17T-E/ML, ATSAMC21J18A-ANT, ATSAMC21J18A-AUT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MCP23S17T-E/SO?
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 MCP23S17T-E/SO 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.