ATSAMD51J18A-MU vs ATSAMD51J20A-MUT Comparison
Detailed side-by-side comparison of ATSAMD51J18A-MU 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-MU - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
ATSAMD51J18A-MU ✓ ActiveMicrochip Technology
ATSAMD51J20A-MUT - 120MHz Cortex-M4F MCU, 1MB Flash, 64-VQFN | Microchip
ATSAMD51J20A-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51J18A-MU | ATSAMD51J20A-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.42 | $6.20 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with single-precision FPU |
| Maximum CPU Clock | 120 MHz | — |
| Program Flash | 256 KB (256K x 8) | — |
| SRAM | 128 KB | 256 KB (with ECC) |
| Package | 64-pin QFN (9x9 mm) with exposed pad | 64-VQFN (9x9 mm) with exposed pad |
| Operating Voltage | 1.71 V to 3.63 V | — |
| GPIO Count | 51 | Up to 51 (varies by package) |
| ADC | 12-bit, up to 1 Msps, up to 16 channels | — |
| DAC | Two 12-bit DACs | — |
| USB | Full-speed USB 2.0 with on-chip PHY | USB 2.0 Full-Speed with on-chip PHY |
| CAN | Two CAN-FD controllers | — |
| SERCOM | Up to 6 configurable SERCOM (UART/SPI/I2C/LIN) | Up to 6 configurable serial interfaces |
| Touch Peripheral | Peripheral Touch Controller (PTC) | — |
| Operating Temperature | -40 C to +85 C (industrial grade) | — |
| RoHS Status | Compliant | Compliant |
| Maximum CPU Frequency | — | 120 MHz |
| Flash Memory | — | 1 MB (Dual Panel, with ECC) |
| Operating Voltage Range | — | 1.71 V to 3.6 V |
| 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) |
| Mounting Type | — | Surface Mount |
| MSL Level | — | MSL3 (per JEDEC J-STD-020) |
| Lead-Free | — | Yes |