MCP2221-I/STAlternatives & Equivalent Parts
About MCP2221-I/ST
MCP2221-I/ST 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 | MCP2221-I/STSource | PIC18F45K50-I/P | MCP2221-I/P | AT25M02-SSHD-B | DMMT3904W-7-F | STM32G473QET6 | MMBT3904T-7-F | PCA9536D | MCP2221-I/SL |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Diodes Inc. | STMicroelectronics | Diodes Inc. | Texas Instruments | Microchip |
| Package Type | Small Outline Packages | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages | SOT23 (6-Pin) | Quad Flat Packages | SOT23 (3-Pin) | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | 40 | 14 | 8 | 6 | 128 | 3 | 8 | 14 |
| 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 | ~ 150.0°C | -40.0°C ~ 85.0°C | ~ 150.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.8500 | $2.8900 | $2.4000 | $0.9410 | $0.0530 | $4.2956 | $0.0234 | $0.7000 | $1.5033 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | NOT RECOMMENDED |
| Electrical Parameters | |||||||||
| Manufacturer Package Code | TSSOP-14 | PDIP-40 | PDIP-14 | SOIC-8 | — | — | — | — | SOIC-14 |
| Factory Lead Time | 14 Weeks | 7 Weeks | 14 Weeks | 7 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | — | 14 Weeks |
| YTEOL | 3 | 14 | 3 | 18 | 7 | 9 | 7 | 0 | 3 |
| Bus Compatibility | I2C; SMBUS; UART; USB | — | I2C; SMBUS; UART; USB | — | — | — | — | — | I2C; SMBUS; UART; USB |
| Clock Frequency-Max | 12 MHz | 48 MHz | 12 MHz | — | — | 48 MHz | — | 0.4 MHz | 12 MHz |
| Data Transfer Rate-Max | 1.5 MBps | — | 1.5 MBps | — | — | — | — | — | 1.5 MBps |
| JESD-30 Code | R-PDSO-G14 | R-PDIP-T40 | R-PDIP-T14 | R-PDSO-G8 | R-PDSO-G6 | S-PQFP-G128 | R-PDSO-G3 | R-PDSO-G8 | R-PDSO-G14 |
| JESD-609 Code | e3 | e3 | e3 | e4 | e3 | e3 | e3 | e4 | e3 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 | DIP40,.6 | DIP14,.3 | SOP8,.23 | — | QFP128,.63SQ,16 | — | SOP8,.25 | SOP14,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified | Not Qualified | — |
| Screening Level | AEC-Q100; TS 16949 | TS 16949 | AEC-Q100; TS 16949 | — | — | — | — | — | AEC-Q100; TS 16949 |
| Supply Current-Max | 15 mA | 11.5 mA | 15 mA | 0.003 mA | — | 34 mA | — | 0.15 mA | 15 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | — | — | 3.6 V | — | 5.5 V | 5.5 V |
| Supply Voltage-Min | 3 V | 2.7 V | 3 V | — | — | 1.71 V | — | 2.3 V | 3 V |
| Supply Voltage-Nom | 3.3 V | 3 V | 3.3 V | — | — | 3 V | — | 3 V | 3.3 V |
| Surface Mount | YES | NO | NO | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | — | CMOS | — | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | — | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | MATTE TIN | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) |
| Terminal Form | GULL WING | THROUGH-HOLE | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 2.54 mm | 2.54 mm | 1.27 mm | — | 0.4 mm | — | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | QUAD | DUAL | DUAL | DUAL |
| uPs/uCs/Peripheral ICs Type | SERIAL IO/COMMUNICATION CONTROLLER, SERIAL | MICROCONTROLLER, RISC | SERIAL IO/COMMUNICATION CONTROLLER, SERIAL | — | — | MICROCONTROLLER, RISC | — | PARALLEL IO PORT, GENERAL PURPOSE | SERIAL IO/COMMUNICATION CONTROLLER, SERIAL |
| ## MCP2221-I/ST Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| Has ADC | — | YES | — | — | — | YES | — | — | — |
| Additional Feature | — | OPERATES AT 2.3 V MINIMUM SUPPLY AT 20 MHz | — | — | — | — | — | — | — |
| Bit Size | — | 8 | — | — | — | 32 | — | — | — |
| Boundary Scan | — | NO | — | — | — | YES | — | — | — |
| CPU Family | — | PIC18 | — | — | — | CORTEX-M4 | — | — | — |
| DAC Channels | — | YES | — | — | — | YES | — | — | — |
| DMA Channels | — | NO | — | — | — | YES | — | — | — |
| Format | — | FIXED POINT | — | — | — | FLOATING POINT | — | — | — |
| Integrated Cache | — | NO | — | — | — | NO | — | — | — |
| Low Power Mode | — | YES | — | — | — | YES | — | — | — |
| Number of External Interrupts | — | 3 | — | — | — | 16 | — | — | — |
| Number of I/O Lines | — | 36 | — | — | — | 107 | — | 4 | — |
| Number of Serial I/Os | — | 1 | — | — | — | 9 | — | — | — |
| Number of Timers | — | 6 | — | — | — | 14 | — | — | — |
| On Chip Data RAM Width | — | 8 | — | — | — | 8 | — | — | — |
| On Chip Program ROM Width | — | 8 | — | — | — | 8 | — | — | — |
| PWM Channels | — | YES | — | — | — | YES | — | — | — |
| RAM (bytes) | — | 2048 | — | — | — | 131072 | — | — | — |
| ROM (words) | — | 32768 | — | — | — | 524288 | — | — | — |
| ROM Programmability | — | FLASH | — | — | — | FLASH | — | — | — |
| Speed | — | 48 MHz | — | — | — | 170 MHz | — | — | — |
| ## PIC18F45K50-I/P Alternates Showing results | — | Image | — | — | — | — | — | — | — |
| Pbfree Code | — | — | — | Yes | Yes | — | Yes | — | — |
| Clock Frequency-Max (fCLK) | — | — | — | 5 MHz | — | — | — | — | — |
| Data Retention Time-Min | — | — | — | 100 | — | — | — | — | — |
| Endurance | — | — | — | 1000000 Write/Erase Cycles | — | — | — | — | — |
| Memory Density | — | — | — | 2097152 bit | — | — | — | — | — |
| Memory IC Type | — | — | — | EEPROM | — | — | — | — | — |
| Memory Width | — | — | — | 8 | — | — | — | — | — |
| Number of Functions | — | — | — | 1 | — | — | — | — | — |
| Number of Ports | — | — | — | 1 | — | — | — | 1 | — |
| Number of Words | — | — | — | 262144 words | — | — | — | — | — |
| Number of Words Code | — | — | — | 256000 | — | — | — | — | — |
| Operating Mode | — | — | — | SYNCHRONOUS | — | — | — | — | — |
| Organization | — | — | — | 256KX8 | — | — | — | — | — |
| Output Characteristics | — | — | — | 3-STATE | — | — | — | — | — |
| Parallel/Serial | — | — | — | SERIAL | — | — | — | — | — |
| Programming Voltage | — | — | — | 3 V | — | — | — | — | — |
| Serial Bus Type | — | — | — | SPI | — | — | — | — | — |
| Standby Current-Max | — | — | — | 0.000003 A | — | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | 5.5 V | — | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | 2.5 V | — | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | 3 V | — | — | — | — | — |
| Write Cycle Time-Max (tWC) | — | — | — | 5 ms | — | — | — | — | — |
| Write Protection | — | — | — | HARDWARE | — | — | — | — | — |
| ## AT25M02-SSHD-B Alternates Showing results | — | — | — | Image | — | — | — | — | — |
| Collector Current-Max (IC) | — | — | — | — | 0.2 A | — | 0.2 A | — | — |
| Collector-Emitter Voltage-Max | — | — | — | — | 40 V | — | 40 V | — | — |
| Configuration | — | — | — | — | SEPARATE, 2 ELEMENTS | — | SINGLE | — | — |
| DC Current Gain-Min (hFE) | — | — | — | — | 30 | — | 30 | — | — |
| Number of Elements | — | — | — | — | 2 | — | 1 | — | — |
| Peak Reflow Temperature (Cel) | — | — | — | — | 260 | NOT SPECIFIED | 260 | 260 | — |
| Polarity/Channel Type | — | — | — | — | NPN | — | NPN | — | — |
| Power Dissipation-Max (Abs) | — | — | — | — | 0.2 W | — | 0.15 W | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | 30 | NOT SPECIFIED | 30 | NOT SPECIFIED | — |
| Transistor Element Material | — | — | — | — | SILICON | — | SILICON | — | — |
| Transition Frequency-Nom (fT) | — | — | — | — | 300 MHz | — | 300 MHz | — | — |
| Turn-off Time-Max (toff) | — | — | — | — | 250 ns | — | 250 ns | — | — |
| Turn-on Time-Max (ton) | — | — | — | — | 70 ns | — | 70 ns | — | — |
| Address Bus Width | — | — | — | — | — | 24 | — | 1 | — |
| External Data Bus Width | — | — | — | — | — | 16 | — | — | — |
| Number of DMA Channels | — | — | — | — | — | 16 | — | — | — |
| ## STM32G473QET6 Alternates Showing results | — | — | — | — | — | Image | — | — | — |
| Reference Standard | — | — | — | — | — | — | AEC-Q101 | — | — |
| Number of Bits | — | — | — | — | — | — | — | 4 | — |
| ## PCA9536D 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 8 alternatives for MCP2221-I/ST — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for MCP2221-I/ST 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 MCP2221-I/ST 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 MCP2221-I/ST?
Known equivalents for MCP2221-I/ST include PIC18F45K50-I/P, MCP2221-I/P, AT25M02-SSHD-B. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MCP2221-I/ST?
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 MCP2221-I/ST 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.