ATSAMD51J18A-AU-EFP vs ATSAMD51J20A-AU Comparison
Detailed side-by-side comparison of ATSAMD51J18A-AU-EFP by Microchip Technology and ATSAMD51J20A-AU 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-AU-EFP - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
ATSAMD51J18A-AU-EFP ✓ ActiveMicrochip Technology
ATSAMD51J20A-AU - SAM D51 120MHz Cortex-M4F 1MB Flash MCU | Microchip
ATSAMD51J20A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51J18A-AU-EFP | ATSAMD51J20A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.95 | $5.10 |
| Core | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Speed | 120 MHz | — |
| Program Flash | 256 KB (256K x 8) with ECC | — |
| SRAM | 128 KB with ECC | 256 KB |
| Package | 64-TQFP (10x10 mm) | 64-pin TQFP (10 x 10 mm) |
| Operating Voltage | 1.71 V to 3.63 V | 1.71 V to 3.63 V |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial grade) |
| ADC | 12-bit, up to 1 Msps, up to 16 channels | 12-bit, up to 16 channels, 1 MSPS |
| DAC | 10-bit, 350 ksps, 2 channels | 12-bit, 2 channels |
| USB | USB 2.0 Full-Speed with on-chip PHY | USB 2.0 Full-Speed with embedded transceiver |
| Configurable SERCOM | 6 (UART/SPI/I2C/LIN) | — |
| I2S | Yes | — |
| Timers (TC/TCC) | Yes (multiple 16-bit) | — |
| DMA Channels | DMAC, multiple channels | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| Maximum Clock Speed | — | 120 MHz |
| Program Memory (Flash) | — | 1 MB (1M x 8) with ECC |
| CAN | — | CAN-FD |
| Serial Interfaces | — | 6x SERCOM (UART/SPI/I2C), I2S |
| Hardware Crypto | — | AES-256 |