ATSAMD51J18A-AUT vs ATSAMD51J20A-MUT Comparison
Detailed side-by-side comparison of ATSAMD51J18A-AUT by Microchip Technology and ATSAMD51J20A-MUT by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD51J18A-AUT - 120MHz Cortex-M4F MCU 256KB Flash | Microchip
ATSAMD51J18A-AUT ✓ ActiveMicrochip Technology
ATSAMD51J20A-MUT - 120MHz Cortex-M4F MCU, 1MB Flash, 64-VQFN | Microchip
ATSAMD51J20A-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51J18A-AUT | ATSAMD51J20A-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.78 | $6.20 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with single-precision FPU |
| Maximum CPU Clock | 120 MHz | — |
| Bit Width | 32-bit | — |
| Program Flash | 256 KB (with ECC) | — |
| SRAM | 128 KB (with ECC) | 256 KB (with ECC) |
| Supply Voltage (VDD) | 1.71 V to 3.6 V | — |
| Operating Temperature | -40C to +85C (AUT automotive grade) | — |
| Package | 64-pin TQFP (10x10 mm) | 64-VQFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| SERCOM Channels | 6 (configurable UART/SPI/I2C) | — |
| USB | USB 2.0 Full-Speed Device/Host | USB 2.0 Full-Speed with on-chip PHY |
| CAN | 1 x CAN-FD | — |
| ADC | 12-bit, up to 1 MSPS | — |
| DAC | 2 x 12-bit | — |
| MSL Level | MSL3 (per JEDEC J-STD-020) | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 | Automotive grade (AUT suffix) | — |
| Maximum CPU Frequency | — | 120 MHz |
| Flash Memory | — | 1 MB (Dual Panel, with ECC) |
| Operating Voltage Range | — | 1.71 V to 3.6 V |
| GPIO Count | — | Up to 51 (varies by package) |
| SERCOM | — | Up to 6 configurable serial interfaces |
| I2S | — | Up to 2 interfaces |
| 12-bit ADC | — | Yes (up to 2 MSPS) |
| 12-bit DAC | — | Up to 2 channels, 1 MSPS |
| Operating Temperature Range | — | -40C to +85C (industrial) |
| Lead-Free | — | Yes |