PIC18F2221-I/SOAlternatives & Equivalent Parts
About PIC18F2221-I/SO
PIC18F2221-I/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 | PIC18F2221-I/SOSource | GSIB1560-E3/45 | LTST-C170KGKT | GRM21BR71A106KA73L | USB2512BI-AEZG | PIC18F2220-I/SO | PIC18F2321-I/SO | PIC18F2420-I/SO | PIC18F2320-I/SO | PIC18F2523-I/SO | PIC18F2520-I/SO | PIC18F2610-I/SO | PIC18F2510-I/SO | PIC18F2410-I/SO | PIC18F2580-I/SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Vishay | Lite-On | Murata Electronics | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Other | LEDs Chip | Other | Quad Flat No-Lead | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Other | Small Outline Packages |
| Pin Count | 28 | 4 | 2 | 2 | 36 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Temperature Range | -40.0°C ~ 85.0°C | -55.0°C ~ 150.0°C | -55.0°C ~ 85.0°C | -55.0°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 | -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 | $2.7000 | $0.8450 | $0.0141 | $0.0170 | $1.6600 | $5.6100 | $2.8900 | $3.7800 | $5.0900 | $4.7700 | $5.4656 | $1.7600 | $4.1100 | $3.4800 | $6.0700 |
| Stock | In Stock | In Stock | In Stock | In 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 | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||||||||
| Pbfree Code | Yes | — | Yes | — | — | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | SOIC-28 | — | — | — | VQFN-36 | SOIC-28 | SOIC-28 | SOIC-28 | SOIC-28 | SOIC-28 | SOIC-28 | SOIC-28 | SOIC-28 | SOIC-28 | SOIC-28 |
| Factory Lead Time | 11 Weeks | 7 Weeks | 14 Weeks | 10 Weeks | 15 Weeks | 11 Weeks | 5 Weeks | 1 Week | 11 Weeks | 11 Weeks | 1 Week | 18 Weeks | 11 Weeks | 18 Weeks | 11 Weeks |
| YTEOL | 9 | 6.85 | 7 | 7 | 8 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Has ADC | YES | — | — | — | — | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 8 | — | — | — | — | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Boundary Scan | NO | — | — | — | — | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| CPU Family | PIC18 | — | — | — | — | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 |
| Clock Frequency-Max | 40 MHz | — | — | — | 24 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| DAC Channels | NO | — | — | — | — | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| DMA Channels | NO | — | — | — | — | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| Format | FIXED POINT | — | — | — | — | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | — | — | — | — | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| JESD-30 Code | R-PDSO-G28 | R-PSFM-T4 | — | — | S-XQCC-N36 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 |
| JESD-609 Code | e3 | e3 | — | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | — | — | — | — | YES | YES | YES | YES | NO | YES | YES | YES | YES | YES |
| Number of External Interrupts | 3 | — | — | — | — | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Number of I/O Lines | 25 | — | — | — | — | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Number of Serial I/Os | 1 | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Timers | 6 | — | — | — | — | 6 | 6 | 4 | 6 | 4 | 4 | 4 | 4 | 4 | 6 |
| On Chip Program ROM Width | 8 | — | — | — | — | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | — | — | — | — | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 | — | — | — | LCC36,.24SQ,20 | SOP28,.4 | SOP28,.4 | SOP28,.4 | SOP28,.4 | SOP28,.4 | SOP28,.4 | SOP28,.4 | SOP28,.4 | SOP28,.4 | SOP28,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR PACKAGE | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | FLANGE MOUNT | — | SMT | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 250 | — | — | — | 260 | 260 | 260 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 512 | — | — | — | — | 512 | 512 | 768 | 512 | 1536 | 1536 | 3968 | 1536 | 768 | 1536 |
| ROM (words) | 4096 | — | — | — | — | 4096 | 8192 | 16384 | 8192 | 32768 | 32768 | 65536 | 32768 | 16384 | 32768 |
| ROM Programmability | FLASH | — | — | — | — | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Screening Level | TS 16949 | — | — | — | — | TS 16949 | TS 16949 | — | TS 16949 | TS 16949 | — | — | — | — | TS 16949 |
| Speed | 40 MHz | — | — | — | — | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Supply Current-Max | 23 mA | — | — | — | 70 mA | 15 mA | 23 mA | 3.5 mA | 15 mA | 250 mA | 3.5 mA | 40 mA | 40 mA | 40 mA | — |
| Supply Voltage-Max | 5.5 V | — | — | — | 3.6 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 | 5.5 V |
| Supply Voltage-Min | 4.2 V | — | — | — | 3 V | 4.2 V | 4.2 V | 5 V | 4.2 V | 4.2 V | 5 V | 5 V | 5 V | 5 V | 4.2 V |
| Supply Voltage-Nom | 5 V | — | — | — | 3.3 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | NO | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | — | — | — | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | — | — | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | MATTE TIN | — | Matte Tin (Sn) - with Nickel (Ni) barrier | 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) | Matte Tin (Sn) |
| Terminal Form | GULL WING | THROUGH-HOLE | — | — | NO LEAD | 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 | — | 2.1 mm | — | 0.5 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 | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | SINGLE | — | — | QUAD | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | — | — | — | — | — | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | — | — | — | BUS CONTROLLER, UNIVERSAL SERIAL BUS | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## PIC18F2221-I/SO Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Breakdown Voltage-Min | — | 600 V | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Case Connection | — | ISOLATED | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Configuration | — | BRIDGE, 4 ELEMENTS | SINGLE | — | — | — | — | — | — | — | — | — | — | — | — |
| Diode Element Material | — | SILICON | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Diode Type | — | BRIDGE RECTIFIER DIODE | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Forward Voltage-Max (VF) | — | 0.95 V | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-rep Pk Forward Current-Max | — | 300 A | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Number of Elements | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Number of Phases | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Output Current-Max | — | 3.5 A | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reference Standard | — | UL RECOGNIZED | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Rep Pk Reverse Voltage-Max | — | 600 V | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Additional Feature | — | — | IC COMPATIBLE | — | — | OPERATES AT 2 V MINIMUM SUPPLY AT 4 MHz | — | — | OPERATES AT 2 V MINIMUM SUPPLY AT 4 MHz | ALSO OPERATES AT 2V MIN SUPPLY @ 4MHZ | — | OPERATES AT 2V MINIMUM SUPPLY @ 4 MHZ | OPERATES AT 2V MINIMUM SUPPLY @ 4 MHZ | OPERATES AT 2V MINIMUM SUPPLY @ 4 MHZ | — |
| Color | — | — | GREEN | — | — | — | — | — | — | — | — | — | — | — | — |
| Forward Current-Max | — | — | 0.03 A | — | — | — | — | — | — | — | — | — | — | — | — |
| Lens Type | — | — | WATER CLEAR | — | — | — | — | — | — | — | — | — | — | — | — |
| Luminous Intensity-Nom | — | — | 35.0 mcd | — | — | — | — | — | — | — | — | — | — | — | — |
| Mounting Feature | — | — | SURFACE MOUNT | SURFACE MOUNT | — | — | — | — | — | — | — | — | — | — | — |
| Number of Functions | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
| Optoelectronic Device Type | — | — | SINGLE COLOR LED | — | — | — | — | — | — | — | — | — | — | — | — |
| Overall Height | — | — | 1.1 mm | — | — | — | — | — | — | — | — | — | — | — | — |
| Packing Method | — | — | TR, 7 INCH | 180mm Reel W8P4 | — | — | — | — | — | — | — | — | — | — | — |
| Peak Wavelength | — | — | 574 nm | — | — | — | — | — | — | — | — | — | — | — | — |
| Shape | — | — | RECTANGULAR | — | — | — | — | — | — | — | — | — | — | — | — |
| Size | — | — | 1.4 mm | — | — | — | — | — | — | — | — | — | — | — | — |
| Viewing Angle | — | — | 130 deg | — | — | — | — | — | — | — | — | — | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | — | — | — | — | — | — | — | — | — | — | — |
| Capacitance | — | — | — | 10 µF | — | — | — | — | — | — | — | — | — | — | — |
| Capacitor Type | — | — | — | CERAMIC CAPACITOR | — | — | — | — | — | — | — | — | — | — | — |
| Dielectric Material | — | — | — | CERAMIC | — | — | — | — | — | — | — | — | — | — | — |
| Height | — | — | — | 1.25 mm | — | — | — | — | — | — | — | — | — | — | — |
| Multilayer | — | — | — | YES | — | — | — | — | — | — | — | — | — | — | — |
| Negative Tolerance | — | — | — | 10% | — | — | — | — | — | — | — | — | — | — | — |
| Positive Tolerance | — | — | — | 10% | — | — | — | — | — | — | — | — | — | — | — |
| Rated (DC) Voltage (URdc) | — | — | — | 10 V | — | — | — | — | — | — | — | — | — | — | — |
| Size Code | — | — | — | 2012M/0805 | — | — | — | — | — | — | — | — | — | — | — |
| Temperature Characteristics Code | — | — | — | X7R | — | — | — | — | — | — | — | — | — | — | — |
| Temperature Coefficient | — | — | — | 15% ppm/°C | — | — | — | — | — | — | — | — | — | — | — |
| Terminal Shape | — | — | — | WRAPAROUND | — | — | — | — | — | — | — | — | — | — | — |
| Bus Compatibility | — | — | — | — | I2C, SMBUS, USB | — | — | — | — | — | — | — | — | — | — |
| ## USB2512BI-AEZG Alternates Showing results | — | — | — | — | Image | — | — | — | — | — | — | — | — | — | — |
| On Chip Data RAM Width | — | — | — | — | — | 8 | — | 8 | 8 | — | 8 | 8 | 8 | 8 | 8 |
| ## PIC18F2610-I/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 14 alternatives for PIC18F2221-I/SO — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for PIC18F2221-I/SO 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 PIC18F2221-I/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 PIC18F2221-I/SO?
Known equivalents for PIC18F2221-I/SO include GSIB1560-E3/45, LTST-C170KGKT, GRM21BR71A106KA73L. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PIC18F2221-I/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 PIC18F2221-I/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.