ATSAMD51N19A-AUT-EFP vs ATSAMD51N20A-AUT-EFP Comparison
Detailed side-by-side comparison of ATSAMD51N19A-AUT-EFP by Microchip Technology and ATSAMD51N20A-AUT-EFP 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
ATSAMD51N19A-AUT-EFP - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51N19A-AUT-EFP ✓ ActiveMicrochip Technology
ATSAMD51N20A-AUT-EFP - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAMD51N20A-AUT-EFP ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51N19A-AUT-EFP | ATSAMD51N20A-AUT-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.65 | $6.43 |
| Core | ARM Cortex-M4F with single-precision FPU | — |
| Core Architecture | ARMv7-M | ARM Cortex-M4F with FPU |
| Maximum CPU Clock | 120 MHz | — |
| DSP Instructions | Yes (SIMD MAC) | — |
| Program Flash | 512 KB (512K x 8) with ECC, dual-panel | — |
| SRAM | 192 KB | 256 KB with ECC |
| Operating Voltage | 1.71 V to 3.63 V | — |
| Package | 100-pin TQFP (14x14 mm), 0.5 mm pitch | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (automotive grade, AUT suffix) | -40C to +85C (AUT suffix) |
| ADC | 12-bit, up to 1 MSPS, up to 16 channels | 12-bit, 1 MSPS |
| DAC | 12-bit, 2 channels | 2 x 12-bit |
| USB | USB 2.0 Full Speed with on-chip transceiver | — |
| CAN | CAN-FD, 1 controller | — |
| Communication Interfaces | SERCOM x6 (UART/SPI/I2C), I2S, SDHC, SPI | — |
| Timers | TC x5, TCC x3 (24-bit PWM) | — |
| Crypto Acceleration | AES, TRNG (family features) | — |
| MSL Level | 3 (168 hours) | [DATA_NEEDED: MSL rating] |
| RoHS Status | Compliant | Compliant |
| Automotive Qualification | AUT suffix, AEC-Q100 qualified (per family datasheet) | — |
| Maximum Core Frequency | — | 120 MHz |
| Bit Width | — | 32-bit |
| Program Memory (Flash) | — | 1 MB (1M x 8) with ECC |
| Supply Voltage (VDDIO) | — | [DATA_NEEDED: VDDIO range] |
| USB Interface | — | USB 2.0 Full-Speed, Device and Host |
| SERCOM Channels | — | [DATA_NEEDED: SERCOM count] |
| Special Feature | — | EFP - Extended Flash Performance |