MCP23S18-E/SPAlternatives & Equivalent Parts
About MCP23S18-E/SP
MCP23S18-E/SP is a Integrated Circuit component manufactured by Microchip. It comes in a Dual-In-Line 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 | MCP23S18-E/SPSource | MCP23S18-E/SO | MCP23S17-E/SP | MCP23S17T-E/SO |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip |
| Package Type | Dual-In-Line Packages | Small Outline Packages | Dual-In-Line Packages | Small Outline Packages |
| Pin Count | 28 | 28 | 28 | 28 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $1.3100 | $1.5400 | $0.6947 | $1.2400 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | Yes | Yes |
| Manufacturer Package Code | SPDIP-28 | SOIC-28 | SPDIP-28 | SOIC-28 |
| Factory Lead Time | 6 Weeks | 2 Weeks | 6 Weeks | 1 Week |
| YTEOL | 9 | 9 | 8 | 8 |
| Clock Frequency-Max | 10 MHz | 10 MHz | 10 MHz | 10 MHz |
| JESD-30 Code | R-PDIP-T28 | R-PDSO-G28 | R-PDIP-T28 | R-PDSO-G28 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Number of Bits | 16 | 16 | 16 | 16 |
| Number of I/O Lines | 16 | 16 | 16 | 16 |
| Number of Ports | 2 | 2 | 2 | 2 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.3 | SOP28,.4 | DIP28,.3 | SOP28,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Supply Current-Max | 1 mA | 1 mA | 1 mA | 1 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 1.8 V | 1.8 V | 4.5 V | 4.5 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | NO | YES | NO | YES |
| Technology | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | GULL WING | THROUGH-HOLE | GULL WING |
| Terminal Pitch | 2.54 mm | 1.27 mm | 2.54 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| uPs/uCs/Peripheral ICs Type | PARALLEL IO PORT, GENERAL PURPOSE | PARALLEL IO PORT, GENERAL PURPOSE | PARALLEL IO PORT, GENERAL PURPOSE | PARALLEL IO PORT, GENERAL PURPOSE |
| Peak Reflow Temperature (Cel) | — | 260 | — | 250 |
| ## MCP23S18-E/SO Alternates Showing results | — | Image | — | — |
| CPU Family | — | — | MCP23X17 | MCP23X17 |
| ## MCP23S17-E/SP Alternates Showing results | — | — | Image | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 40 |
| ## MCP23S17T-E/SO Alternates Showing results | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for MCP23S18-E/SP — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for MCP23S18-E/SP 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 MCP23S18-E/SP 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 MCP23S18-E/SP?
Known equivalents for MCP23S18-E/SP include MCP23S18-E/SO, MCP23S17-E/SP, MCP23S17T-E/SO. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MCP23S18-E/SP?
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 MCP23S18-E/SP 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.