ATSAMD21G18A-AFTAlternatives & Equivalent Parts
About ATSAMD21G18A-AFT
ATSAMD21G18A-AFT is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat 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 | ATSAMD21G18A-AFTSource | ATSAMD21G18A-AU | FM25CL64B-G | TLP290-4 | B3W-4050 | 61231420621 | ATSAMD21G15B-AFT | ATSAMD21G16B-AFT |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Cypress Semiconductor | Toshiba | Omron Electronics | Würth Elektronik | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Small Outline Packages | Small Outline Packages | Other | Other | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 48 | 48 | 8 | 16 | 4 | 14 | 48 | 48 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | — | -55.0°C ~ 110.0°C | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $3.8300 | $1.3000 | $1.7195 | $0.2984 | $0.3543 | $2.9300 | $1.0018 | $2.4300 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | — | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | — | — | — | — | Yes | Yes |
| Manufacturer Package Code | TQFP-48 | TQFP-48 | — | — | — | — | TQFP-48 | TQFP-48 |
| Factory Lead Time | 6 Weeks | 4 Weeks | — | — | — | — | 9 Weeks | 9 Weeks |
| YTEOL | 19 | 14 | — | 8 | — | 15 | 19 | 19 |
| Has ADC | YES | YES | — | — | — | — | YES | YES |
| Bit Size | 32 | 32 | — | — | — | — | 32 | 32 |
| Boundary Scan | YES | NO | — | — | — | — | YES | YES |
| CPU Family | Cortex-M0+ | Cortex-M0+ | — | — | — | — | Cortex-M0+ | Cortex-M0+ |
| Clock Frequency-Max | 32 MHz | 32 MHz | — | — | — | — | 32 MHz | 32 MHz |
| DAC Channels | YES | YES | — | — | — | — | YES | YES |
| DMA Channels | YES | YES | — | — | — | — | YES | YES |
| Format | FIXED POINT | FIXED POINT | — | — | — | — | FIXED POINT | FIXED POINT |
| Integrated Cache | YES | YES | — | — | — | — | YES | YES |
| JESD-30 Code | S-PQFP-G48 | S-PQFP-G48 | — | — | — | — | S-PQFP-G48 | S-PQFP-G48 |
| JESD-609 Code | e3 | e3 | — | — | — | e4 | e3 | e3 |
| Low Power Mode | YES | YES | — | — | — | — | YES | YES |
| Number of DMA Channels | 12 | 12 | — | — | — | — | 12 | 12 |
| Number of External Interrupts | 16 | 16 | — | — | — | — | 16 | 16 |
| Number of I/O Lines | 38 | 38 | — | — | — | — | 38 | 38 |
| Number of Serial I/Os | 8 | 6 | — | — | — | — | 8 | 8 |
| Number of Timers | 6 | 8 | — | — | — | — | 6 | 6 |
| On Chip Data RAM Width | 8 | 8 | — | — | — | — | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | — | — | — | — | 8 | 8 |
| PWM Channels | YES | YES | — | — | — | — | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP48,.35SQ | TQFP48,.35SQ | — | — | — | — | TQFP48,.35SQ | TQFP48,.35SQ |
| Package Shape | SQUARE | SQUARE | — | — | — | — | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | — | — | — | — | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH |
| RAM (bytes) | 32768 | 32768 | — | — | — | — | 4096 | 8192 |
| RAM (words) | 32768 | 32768 | — | — | — | — | 4096 | 8192 |
| ROM (words) | 262144 | 262144 | — | — | — | — | 32768 | 65536 |
| ROM Programmability | FLASH | FLASH | — | — | — | — | FLASH | FLASH |
| Screening Level | TS 16949 | TS 16949 | — | — | — | — | TS 16949 | TS 16949 |
| Speed | 48 MHz | 48 MHz | — | — | — | — | 48 MHz | 48 MHz |
| Supply Current-Max | 7 mA | 92 mA | — | — | — | — | 4.7 mA | 4.7 mA |
| Supply Voltage-Max | 3.63 V | 3.63 V | — | — | — | — | 3.63 V | 3.63 V |
| Supply Voltage-Min | 1.62 V | 1.62 V | — | — | — | — | 1.62 V | 1.62 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | — | — | — | — | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | — | YES | — | — | YES | YES |
| Technology | CMOS | CMOS | — | — | — | — | CMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | INDUSTRIAL | — | — | — | — | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | — | — | — | — | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | — | — | — | — | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | — | — | — | 2.54 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | — | — | — | — | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATSAMD21G18A-AFT Alternates Showing results | Image | — | — | — | — | — | — | — |
| Qualification Status | — | Not Qualified | — | — | — | — | — | — |
| ## ATSAMD21G18A-AU Alternates Showing results | — | Image | — | — | — | — | — | — |
| Additional Feature | — | — | — | UL RECOGNIZED | — | — | — | — |
| Coll-Emtr Bkdn Voltage-Min | — | — | — | 80 V | — | — | — | — |
| Configuration | — | — | — | SEPARATE, 4 CHANNELS | — | — | — | — |
| Current Transfer Ratio-Min | — | — | — | 50% | — | — | — | — |
| Dark Current-Max | — | — | — | 100 nA | — | — | — | — |
| Forward Current-Max | — | — | — | 0.05 A | — | — | — | — |
| Forward Voltage-Max | — | — | — | 1.4 V | — | — | — | — |
| Isolation Voltage-Max | — | — | — | 2500 V | — | — | — | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | — | — | — | — |
| Number of Elements | — | — | — | 4 | — | — | — | — |
| On-State Current-Max | — | — | — | 0.05 A | — | — | — | — |
| Optoelectronic Device Type | — | — | — | TRANSISTOR OUTPUT OPTOCOUPLER | — | — | — | — |
| Power Dissipation-Max | — | — | — | 0.1 W | — | — | — | — |
| Response Time-Max | — | — | — | 0.000002 s | — | — | — | — |
| Body Breadth | — | — | — | — | — | 0.36 inch | — | — |
| Body Depth | — | — | — | — | — | 0.398 inch | — | — |
| Body Length | — | — | — | — | — | 1.007 inch | — | — |
| Body/Shell Style | — | — | — | — | — | RECEPTACLE | — | — |
| Connector Type | — | — | — | — | — | BOARD CONNECTOR | — | — |
| Contact Finish Mating | — | — | — | — | — | NOT APPLICABLE | — | — |
| Contact Gender | — | — | — | — | — | MALE | — | — |
| Contact Material | — | — | — | — | — | NOT APPLICABLE | — | — |
| Contact Pattern | — | — | — | — | — | RECTANGULAR | — | — |
| Contact Resistance | — | — | — | — | — | 20 mΩ | — | — |
| Contact Style | — | — | — | — | — | SQ PIN-SKT | — | — |
| DIN Conformance | — | — | — | — | — | NO | — | — |
| Dielectric Withstanding Voltage | — | — | — | — | — | 500VAC V | — | — |
| Filter Feature | — | — | — | — | — | NO | — | — |
| IEC Conformance | — | — | — | — | — | NO | — | — |
| Insulation Resistance | — | — | — | — | — | 1000000000 Ω | — | — |
| Insulator Color | — | — | — | — | — | BLACK | — | — |
| Insulator Material | — | — | — | — | — | POLYAMIDE | — | — |
| MIL Conformance | — | — | — | — | — | NO | — | — |
| Mating Contact Pitch | — | — | — | — | — | 0.1 inch | — | — |
| Mating Contact Row Spacing | — | — | — | — | — | 0.1 inch | — | — |
| Mixed Contacts | — | — | — | — | — | NO | — | — |
| Mounting Option 1 | — | — | — | — | — | LOCKING | — | — |
| Mounting Style | — | — | — | — | — | STRAIGHT | — | — |
| Mounting Type | — | — | — | — | — | BOARD | — | — |
| Number Of Connectors | — | — | — | — | — | ONE | — | — |
| Number Of PCB Rows | — | — | — | — | — | 2 | — | — |
| Number of Rows Loaded | — | — | — | — | — | 2 | — | — |
| Option | — | — | — | — | — | GENERAL PURPOSE | — | — |
| PCB Contact Pattern | — | — | — | — | — | RECTANGULAR | — | — |
| PCB Contact Row Spacing | — | — | — | — | — | 5.9944 mm | — | — |
| Polarization Key | — | — | — | — | — | POLARIZED HOUSING | — | — |
| Rated Current (Signal) | — | — | — | — | — | 3 A | — | — |
| Reference Standard | — | — | — | — | — | UL | — | — |
| Termination Type | — | — | — | — | — | SURFACE MOUNT | — | — |
| Total Number of Contacts | — | — | — | — | — | 14 | — | — |
| UL Flammability Code | — | — | — | — | — | 94V-0 | — | — |
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 7 alternatives for ATSAMD21G18A-AFT — response within 24 hours.
Quick Links
Microchip Technology Inc 48TQFP IND TEMP, GREEN,1.6-3.6V,48MHz
suggested
suggested
RISC Microcontroller, 32-Bit, FLASH, Cortex-M0+ CPU, 48MHz, CMOS, PQFP48
Why Look for Alternatives?
Finding alternatives for ATSAMD21G18A-AFT 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 ATSAMD21G18A-AFT 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 ATSAMD21G18A-AFT?
Known equivalents for ATSAMD21G18A-AFT include ATSAMD21G18A-AU, FM25CL64B-G, TLP290-4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATSAMD21G18A-AFT?
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 ATSAMD21G18A-AFT 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.