ATSAMD21G18A-AUTAlternatives & Equivalent Parts
About ATSAMD21G18A-AUT
ATSAMD21G18A-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.
Need pricing on these alternatives?
Get one quote covering all 8 alternatives for ATSAMD21G18A-AUT — response within 24 hours.
Specification Comparison
| Parameter | ATSAMD21G18A-AUTSource | ATSAMD21G18A-AU | ATSAMD21G18A-AFT | 52559-2452 | M50-3100545 | MIC5317-3.3YM5-TR | A4954ELPTR-T | 505110-1892 | ATSAMD20G18A-AU |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Molex | Harwin | Microchip | Allegro Microsystems | Molex | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Other | Other | SOT23 (5-Pin) | Other | Other | Quad Flat Packages |
| Pin Count | 48 | 48 | 48 | 28 | 10 | 5 | 16 | 20 | 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 ~ 105.0°C | — | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C |
| Price | $1.5900 | $1.3000 | $3.8300 | $0.8295 | $1.2000 | $0.0900 | $0.8107 | $0.5202 | $2.3800 |
| 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 |
| Electrical Parameters | |||||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | — | Yes | — | Yes |
| Manufacturer Package Code | TQFP-48 | TQFP-48 | TQFP-48 | — | — | SOT-23-5 | — | — | TQFP-48 |
| Factory Lead Time | 4 Weeks | 4 Weeks | 6 Weeks | 11 Weeks | — | 9 Weeks | — | — | 7 Weeks |
| YTEOL | 14 | 14 | 19 | 7.5 | 9.4 | 14 | 8.2 | — | 14 |
| Has ADC | YES | YES | YES | — | — | — | — | — | YES |
| Bit Size | 32 | 32 | 32 | — | — | — | — | — | 32 |
| Boundary Scan | NO | 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 | — | — | — | — | — | NO |
| 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 | — | — | R-PDSO-G5 | R-PDSO-G16 | — | S-PQFP-G48 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e4 | e4 | e3 | — | e3 |
| Low Power Mode | YES | YES | YES | — | — | — | — | — | YES |
| Number of DMA Channels | 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 | 6 | 6 | 8 | — | — | — | — | — | — |
| Number of Timers | 8 | 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 | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP48,.35SQ | TQFP48,.35SQ | TQFP48,.35SQ | — | — | TSOP5/6,.11,37 | TSSOP16,.25 | — | TQFP48,.35SQ |
| Package Shape | SQUARE | SQUARE | SQUARE | — | — | RECTANGULAR | RECTANGULAR | — | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | — | — | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | — | FLATPACK, THIN PROFILE, FINE PITCH |
| Qualification Status | Not Qualified | Not Qualified | — | — | — | — | Not Qualified | — | Not Qualified |
| RAM (bytes) | 32768 | 32768 | 32768 | — | — | — | — | — | 32768 |
| RAM (words) | 32768 | 32768 | 32768 | — | — | — | — | — | 32768 |
| ROM (words) | 262144 | 262144 | 262144 | — | — | — | — | — | 262144 |
| ROM Programmability | FLASH | FLASH | FLASH | — | — | — | — | — | FLASH |
| Screening Level | TS 16949 | TS 16949 | TS 16949 | — | — | — | — | — | — |
| Speed | 48 MHz | 48 MHz | 48 MHz | — | — | — | — | — | 48 MHz |
| Supply Current-Max | 92 mA | 92 mA | 7 mA | — | — | — | — | — | 92 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 | — | — | — | — | — | 3.3 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | 3.3 V | — | — | — | — | — | 3.3 V |
| Surface Mount | YES | YES | YES | — | — | YES | YES | — | YES |
| Technology | CMOS | CMOS | CMOS | — | — | CMOS | — | — | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | — | — | — | INDUSTRIAL | — | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | — | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin (Sn) | — | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | — | GULL WING | GULL WING | — | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 1 mm | 1.27 mm | 0.95 mm | 0.65 mm | — | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | — | — | DUAL | DUAL | — | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | — | — | — | MICROCONTROLLER, RISC |
| ## ATSAMD21G18A-AUT Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| ## ATSAMD21G18A-AU Alternates Showing results | — | Image | — | — | — | — | — | — | — |
| ## ATSAMD21G18A-AFT Alternates Showing results | — | — | Image | — | — | — | — | — | — |
| Additional Feature | — | — | — | EASY-ON | ROHS COMPLIANT | — | — | — | — |
| Board Mounting Option | — | — | — | FITTING NAIL | — | — | — | — | — |
| Body Breadth | — | — | — | 0.118 inch | 0.122 inch | — | — | — | — |
| Body Depth | — | — | — | 0.154 inch | 0.181 inch | — | — | — | — |
| Body Length | — | — | — | 0.697 inch | 0.2 inch | — | — | — | — |
| Connector Type | — | — | — | FFC/FPC CONNECTOR | BOARD CONNECTOR | — | — | — | — |
| Contact Finish Mating | — | — | — | NOT SPECIFIED | NOT APPLICABLE | — | — | — | — |
| Contact Finish Termination | — | — | — | Tin (Sn) | Gold (Au) | — | — | — | — |
| Contact Gender | — | — | — | FEMALE | FEMALE | — | — | — | — |
| Contact Material | — | — | — | NOT SPECIFIED | PHOSPHOR BRONZE | — | — | — | — |
| Contact Pattern | — | — | — | RECTANGULAR | RECTANGULAR | — | — | — | — |
| Contact Resistance | — | — | — | 20 mΩ | 30 mΩ | — | — | — | — |
| Contact Style | — | — | — | BELLOWED TYPE | SQ PIN-SKT | — | — | — | — |
| DIN Conformance | — | — | — | NO | NO | — | — | — | — |
| Dielectric Withstanding Voltage | — | — | — | 250VAC V | — | — | — | — | — |
| Filter Feature | — | — | — | NO | NO | — | — | — | — |
| IEC Conformance | — | — | — | NO | NO | — | — | — | — |
| Insertion Force-Max | — | — | — | ZIF N | 2.0016 N | — | — | — | — |
| Insulation Resistance | — | — | — | 50000000 Ω | 1000000000 Ω | — | — | — | — |
| Insulator Material | — | — | — | POLYAMIDE | POLYAMIDE | — | — | — | — |
| MIL Conformance | — | — | — | NO | NO | — | — | — | — |
| Mating Contact Pitch | — | — | — | 0.020 inch | 0.05 inch | — | — | — | — |
| Mixed Contacts | — | — | — | NO | NO | — | — | — | — |
| Mounting Option 1 | — | — | — | LOCKING | LOCKING | — | — | — | — |
| Mounting Style | — | — | — | STRAIGHT | STRAIGHT | — | — | — | — |
| Mounting Type | — | — | — | BOARD | BOARD | — | — | — | — |
| Number Of Connectors | — | — | — | ONE | ONE | — | — | — | — |
| Number Of PCB Rows | — | — | — | 2 | 2 | — | — | — | — |
| Number of Rows Loaded | — | — | — | 1 | 2 | — | — | — | — |
| Option | — | — | — | GENERAL PURPOSE | GENERAL PURPOSE | — | — | — | — |
| PCB Contact Pattern | — | — | — | STAGGERED | RECTANGULAR | — | — | — | — |
| PCB Contact Row Spacing | — | — | — | 2.794 mm | — | — | — | — | — |
| Plating Thickness | — | — | — | 39u inch | FLASH inch | — | — | — | — |
| Polarization Key | — | — | — | POLARIZED HOUSING | — | — | — | — | — |
| Rated Current (Signal) | — | — | — | 0.5 A | 1 A | — | — | — | — |
| Reference Standard | — | — | — | UL | UL | — | — | — | — |
| Termination Type | — | — | — | SURFACE MOUNT | SURFACE MOUNT | — | — | — | — |
| Total Number of Contacts | — | — | — | 24 | 10 | — | — | — | — |
| UL Flammability Code | — | — | — | 94V-0 | 94V-0 | — | — | — | — |
| Withdrawl Force-Min | — | — | — | ZIF N | .15012 N | — | — | — | — |
| Body/Shell Style | — | — | — | — | SOCKET | — | — | — | — |
| Durability | — | — | — | — | 100 Cycles | — | — | — | — |
| Insulator Color | — | — | — | — | BLACK | — | — | — | — |
| Mating Contact Row Spacing | — | — | — | — | 0.05 inch | — | — | — | — |
| Adjustability | — | — | — | — | — | FIXED | — | — | — |
| Dropout Voltage1-Max | — | — | — | — | — | 0.31 V | — | — | — |
| Dropout Voltage1-Nom | — | — | — | — | — | 0.155 V | — | — | — |
| Input Voltage Absolute-Max | — | — | — | — | — | 7 V | — | — | — |
| Input Voltage-Max | — | — | — | — | — | 6 V | — | — | — |
| Input Voltage-Min | — | — | — | — | — | 4.3 V | — | — | — |
| Line Regulation-Max | — | — | — | — | — | 0.0099% | — | — | — |
| Load Regulation-Max | — | — | — | — | — | 0.025% | — | — | — |
| Number of Functions | — | — | — | — | — | 1 | 1 | — | — |
| Number of Outputs | — | — | — | — | — | 1 | — | — | — |
| Operating Temperature TJ-Max | — | — | — | — | — | 125 °C | — | — | — |
| Operating Temperature TJ-Min | — | — | — | — | — | -40 °C | — | — | — |
| Output Current1-Max | — | — | — | — | — | 0.15 A | — | — | — |
| Output Voltage1-Max | — | — | — | — | — | 3.399 V | — | — | — |
| Output Voltage1-Min | — | — | — | — | — | 3.201 V | — | — | — |
| Output Voltage1-Nom | — | — | — | — | — | 3.3 V | — | — | — |
| Packing Method | — | — | — | — | — | TR | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | — | — | — | 260 | 260 | — | 260 |
| Regulator Type | — | — | — | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | — | 40 | 40 | — | 30 |
| Voltage Tolerance-Max | — | — | — | — | — | 3% | — | — | — |
| ## MIC5317-3.3YM5-TR Alternates Showing results | — | — | — | — | — | Image | — | — | — |
| Analog IC - Other Type | — | — | — | — | — | — | FULL BRIDGE BRUSH DC MOTOR CONTROLLER | — | — |
| Output Current-Max | — | — | — | — | — | — | 2 A | — | — |
| Supply Current-Max (Isup) | — | — | — | — | — | — | 0.01 mA | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | — | — | 40 V | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | — | — | 8 V | — | — |
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 ATSAMD21G18A-AUT — response within 24 hours.
Quick Links
Microchip Technology Inc 48TQFP IND TEMP, GREEN,1.6-3.6V,48MHz
Microchip Technology Inc 48TQFP 125C, GREEN,1.6-3.6V,48MHz
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP48
Why Look for Alternatives?
Finding alternatives for ATSAMD21G18A-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 ATSAMD21G18A-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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for ATSAMD21G18A-AUT. Get expert recommendations within 24 hours.
FAQ
What is equivalent to ATSAMD21G18A-AUT?
Known equivalents for ATSAMD21G18A-AUT include ATSAMD21G18A-AU, ATSAMD21G18A-AFT, 52559-2452. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATSAMD21G18A-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 ATSAMD21G18A-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.