ATSAMD51J18A-MU vs ATSAMD51J20A-MU Comparison
Detailed side-by-side comparison of ATSAMD51J18A-MU by Microchip Technology and ATSAMD51J20A-MU 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-MU - 120MHz Cortex-M4F MCU 1MB Flash | Microchip
ATSAMD51J20A-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51J18A-MU | ATSAMD51J20A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.42 | $4.75 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | — |
| 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-pin VQFN (9x9 mm) with exposed thermal pad |
| Operating Voltage | 1.71 V to 3.63 V | — |
| GPIO Count | 51 | — |
| ADC | 12-bit, up to 1 Msps, up to 16 channels | 12-bit, up to 1 MSPS, up to 16 channels |
| DAC | Two 12-bit DACs | 2x 12-bit, 1 MSPS |
| USB | Full-speed USB 2.0 with on-chip PHY | USB 2.0 Full-Speed device/host with on-chip PHY |
| CAN | Two CAN-FD controllers | — |
| SERCOM | Up to 6 configurable SERCOM (UART/SPI/I2C/LIN) | Up to 8 configurable serial interfaces (UART/SPI/I2C) |
| Touch Peripheral | Peripheral Touch Controller (PTC) | — |
| Operating Temperature | -40 C to +85 C (industrial grade) | -40 C to +85 C (industrial) |
| RoHS Status | Compliant | Compliant |
| Core | — | ARM Cortex-M4F with FPU and DSP extensions |
| Maximum CPU Frequency | — | 120 MHz |
| Flash Memory | — | 1 MB (1024 KB) dual-panel with ECC |
| Operating Voltage (VDDIO/VDDANA) | — | 1.71 V to 3.6 V |
| Mounting Type | — | Surface Mount |
| Crypto Accelerator | — | AES, SHA, RSA, TRNG |
| I2S / SDHOST / PDC / ISI | — | I2S, SD Host, Pixel Display Controller, Image Sensor Interface |
| Touch Support (PTC) | — | Yes (Peripheral Touch Controller) |
| MSL Level | — | [DATA_NEEDED: MSL rating] |