ATSAMC21J18A-AUTAlternatives & Equivalent Parts
About ATSAMC21J18A-AUT
ATSAMC21J18A-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 | ATSAMC21J18A-AUTSource | ATSAMC21J17A-AUT | ATSAMC21J18A-ANT | LMZM23600V5SILT | MCP23S17T-E/SO | 7778 | ATSAMC21J17A-ANT |
|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Texas Instruments | Microchip | Keystone Electronics | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Other | Small Outline Packages | Other | Quad Flat Packages |
| Pin Count | 64 | 64 | 64 | 11 | 28 | 2 | 64 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 105.0°C |
| Price | $3.6400 | $2.4400 | $3.5600 | $3.2150 | $1.2400 | $0.3869 | $2.5500 |
| 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 | Yes | Yes |
| Manufacturer Package Code | TQFP-64 | TQFP-64 | TQFP-64 | — | SOIC-28 | — | TQFP-64 |
| Factory Lead Time | 1 Week | 7 Weeks | 7 Weeks | — | 1 Week | — | 7 Weeks |
| YTEOL | 18 | 19 | 19 | 15 | 8 | 6.75 | 19 |
| Has ADC | YES | YES | YES | — | — | — | YES |
| Bit Size | 32 | 32 | 32 | — | — | — | 32 |
| Boundary Scan | NO | NO | NO | — | — | — | NO |
| CPU Family | CORTEX-M0 | CORTEX-M0 | CORTEX-M0 | — | MCP23X17 | — | CORTEX-M0 |
| Clock Frequency-Max | 48 MHz | 48 MHz | 48 MHz | — | 10 MHz | — | 48 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-G64 | S-PQFP-G64 | S-PQFP-G64 | R-XXMA-N10 | R-PDSO-G28 | — | S-PQFP-G64 |
| JESD-609 Code | e3 | 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 | 52 | 52 | 52 | — | 16 | — | 52 |
| Number of Serial I/Os | 4 | 4 | 4 | — | — | — | 4 |
| Number of Timers | 8 | 8 | 8 | — | — | — | 8 |
| 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 | UNSPECIFIED | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP64,.47SQ | TQFP64,.47SQ | TQFP64,.47SQ | — | SOP28,.4 | — | TQFP64,.47SQ |
| 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 | MICROELECTRONIC ASSEMBLY | SMALL OUTLINE | — | FLATPACK, THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 | 250 | — | — |
| RAM (bytes) | 32768 | 16384 | 32768 | — | — | — | 16384 |
| RAM (words) | 32768 | 16384 | 32768 | — | — | — | 16384 |
| ROM (words) | 262144 | 131072 | 262144 | — | — | — | 131072 |
| ROM Programmability | FLASH | FLASH | FLASH | — | — | — | FLASH |
| Speed | 48 MHz | 48 MHz | 48 MHz | — | — | — | 48 MHz |
| Supply Current-Max | 6.6 mA | 6.6 mA | 6.6 mA | — | 1 mA | — | 6.6 mA |
| Supply Voltage-Max | 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 | — | 4.5 V | — | 2.7 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V | — | 5 V | — | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | — | YES |
| Technology | CMOS | CMOS | CMOS | BICMOS | CMOS | — | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | AUTOMOTIVE | — | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Gold (Ni/Au) | Matte Tin (Sn) | — | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | NO LEAD | GULL WING | — | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.6 mm | 1.27 mm | — | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | UNSPECIFIED | DUAL | — | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | 30 | 40 | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | PARALLEL IO PORT, GENERAL PURPOSE | — | MICROCONTROLLER, RISC |
| ## ATSAMC21J18A-AUT Alternates Showing results | Image | — | — | — | — | — | — |
| ## ATSAMC21J17A-AUT Alternates Showing results | — | Image | — | — | — | — | — |
| ## ATSAMC21J18A-ANT Alternates Showing results | — | — | Image | — | — | — | — |
| Date Of Intro | — | — | — | 2018-03-30 | — | — | — |
| Additional Feature | — | — | — | PFM TECHNIQUE ALSO USED | — | — | — |
| Analog IC - Other Type | — | — | — | SWITCHING REGULATOR | — | — | — |
| Control Mode | — | — | — | CURRENT-MODE | — | — | — |
| Control Technique | — | — | — | PULSE WIDTH MODULATION | — | — | — |
| Input Voltage-Max | — | — | — | 36 V | — | — | — |
| Input Voltage-Min | — | — | — | 4 V | — | — | — |
| Input Voltage-Nom | — | — | — | 24 V | — | — | — |
| Number of Functions | — | — | — | 1 | — | — | — |
| Number of Outputs | — | — | — | 1 | — | — | — |
| Output Current-Max | — | — | — | 0.5 A | — | — | — |
| Output Voltage-Max | — | — | — | 15 V | — | — | — |
| Output Voltage-Min | — | — | — | 1.2 V | — | — | — |
| Output Voltage-Nom | — | — | — | 5 V | — | — | — |
| Switcher Configuration | — | — | — | BUCK-BOOST | — | — | — |
| Switching Frequency-Max | — | — | — | 1090 kHz | — | — | — |
| ## LMZM23600V5SILT Alternates Showing results | — | — | — | Image | — | — | — |
| Number of Bits | — | — | — | — | 16 | — | — |
| Number of Ports | — | — | — | — | 2 | — | — |
| Qualification Status | — | — | — | — | Not Qualified | — | — |
| ## MCP23S17T-E/SO Alternates Showing results | — | — | — | — | Image | — | — |
| Terminal and Terminal Block Type | — | — | — | — | — | POWER TERMINAL | — |
| Wire Gauge | — | — | — | — | — | 12 AWG | — |
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 6 alternatives for ATSAMC21J18A-AUT — response within 24 hours.
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RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP64
Why Look for Alternatives?
Finding alternatives for ATSAMC21J18A-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 ATSAMC21J18A-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 ATSAMC21J18A-AUT?
Known equivalents for ATSAMC21J18A-AUT include ATSAMC21J17A-AUT, ATSAMC21J18A-ANT, LMZM23600V5SILT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATSAMC21J18A-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 ATSAMC21J18A-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.