ATSAMD21J18A-MF vs ATSAMD51J19A-MF Comparison
Detailed side-by-side comparison of ATSAMD21J18A-MF by Microchip Technology and ATSAMD51J19A-MF 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
ATSAMD21J18A-MF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-MF ✓ ActiveMicrochip Technology
ATSAMD51J19A-MF - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51J19A-MF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-MF | ATSAMD51J19A-MF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.60 | $5.40 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M4F with FPU |
| Maximum CPU Frequency | 48 MHz | — |
| CoreMark/MHz | 2.46 | — |
| Program Flash | 256 KB | — |
| SRAM | 32 KB | 192 KB |
| Supply Voltage | 1.62 V to 3.63 V | — |
| Package | 64-pin QFN (9x9 mm) | 64-QFN (9x9 mm) with exposed pad |
| ADC | 12-bit, up to 20 channels, 350 kSPS | 12-bit, 1 MSPS |
| DAC | 10-bit, 350 kSPS | 2x 12-bit, 1 MSPS |
| USB | USB 2.0 Full-Speed Device/Host | Full-Speed USB 2.0 with on-chip PHY |
| SERCOM | 6 (configurable UART/SPI/I2C) | — |
| GPIO | Up to 52 | — |
| Operating Temperature | -40C to +125C | -40C to +125C (extended) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Speed | — | 120 MHz |
| Program Memory (Flash) | — | 512 KB |
| Operating Voltage Range | — | 1.71 V to 3.6 V |
| GPIO Count | — | Up to 51 |
| MSL Level | — | 3 (168 hours) |
| Cryptographic Accelerator | — | AES, SHA, TRNG |
| Serial Peripherals (SERCOM) | — | Up to 8 (configurable I2C/SPI/UART) |