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