ATSAMC21G18A-AUTAlternatives & Equivalent Parts
About ATSAMC21G18A-AUT
ATSAMC21G18A-AUT 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 | ATSAMC21G18A-AUTSource | ATSAMC20G18A-AUT | ATSAMC21G18A-AZT | ATSAMC21G17A-AUT | ATSAMC21G18A-AZ | ATSAMC21G15A-ANT | ATSAMC21G16A-ANT |
|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 48 | 48 | 48 | 48 | 48 | 48 | 48 |
| Temperature Range | -40.0°C ~ 85.0°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 | -40.0°C ~ 105.0°C | -40.0°C ~ 105.0°C |
| Price | $3.0300 | $3.0700 | $3.3700 | $2.3100 | $3.3600 | $2.2900 | $2.2700 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | Yes | — | Yes | — | Yes | Yes |
| Manufacturer Package Code | TQFP-48 | TQFP-48 | TQFP-48 | TQFP-48 | TQFP-48 | TQFP-48 | TQFP-48 |
| Factory Lead Time | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks |
| YTEOL | 18 | 18 | 18 | 19 | 18 | 19 | 19 |
| Has ADC | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | NO | NO | NO | NO | NO | NO | NO |
| CPU Family | CORTEX-M0 | CORTEX-M0 | CORTEX-M0 | CORTEX-M0 | CORTEX-M0 | CORTEX-M0 | CORTEX-M0 |
| Clock Frequency-Max | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| DAC Channels | YES | NO | YES | YES | YES | YES | YES |
| DMA Channels | YES | YES | YES | YES | YES | YES | YES |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | YES | YES | YES | YES | YES | YES | YES |
| JESD-30 Code | S-PQFP-G48 | S-PQFP-G48 | S-PQFP-G48 | S-PQFP-G48 | S-PQFP-G48 | S-PQFP-G48 | S-PQFP-G48 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | YES | YES | YES | YES | YES |
| Number of DMA Channels | 12 | 6 | 12 | 12 | 12 | 12 | 12 |
| Number of External Interrupts | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Number of I/O Lines | 38 | 38 | 38 | 38 | 38 | 38 | 38 |
| Number of Serial I/Os | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Number of Timers | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP48,.35SQ | TQFP48,.35SQ | TQFP48,.35SQ | TQFP48,.35SQ | TQFP48,.35SQ | TQFP48,.35SQ | TQFP48,.35SQ |
| Package Shape | SQUARE | SQUARE | SQUARE | 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 | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH |
| RAM (bytes) | 32768 | 32768 | 32768 | 16384 | 32768 | 4096 | 8192 |
| RAM (words) | 32768 | 32768 | 32768 | 16384 | 32768 | 4096 | 8192 |
| ROM (words) | 262144 | 262144 | 262144 | 131072 | 262144 | 32768 | 65536 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Speed | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Supply Current-Max | 6.6 mA | 6.6 mA | 6.6 mA | 6.6 mA | 6.6 mA | 6.6 mA | 6.6 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 2.7 V | 2.7 V | 2.7 V | 2.7 V | 2.7 V | 2.7 V | 2.7 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL |
| 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 | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Date Of Intro | — | — | 2019-01-14 | — | 2019-01-14 | — | — |
| Screening Level | — | — | AEC-Q100 | — | AEC-Q100 | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 6 alternatives for ATSAMC21G18A-AUT — response within 24 hours.
Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP48
Why Look for Alternatives?
Finding alternatives for ATSAMC21G18A-AUT 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 ATSAMC21G18A-AUT 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 ATSAMC21G18A-AUT?
Known equivalents for ATSAMC21G18A-AUT include ATSAMC20G18A-AUT, ATSAMC21G18A-AZT, ATSAMC21G17A-AUT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATSAMC21G18A-AUT?
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 ATSAMC21G18A-AUT 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.