ATSAME51J18A-AFT vs ATSAMD51J19A-AFT Comparison
Detailed side-by-side comparison of ATSAME51J18A-AFT by Microchip Technology and ATSAMD51J19A-AFT 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
ATSAME51J18A-AFT - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
ATSAME51J18A-AFT β ActiveMicrochip Technology
ATSAMD51J19A-AFT - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
ATSAMD51J19A-AFT β ActiveSpecification Comparison
| Parameter | ATSAME51J18A-AFT | ATSAMD51J19A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.21 | $4.80 |
| Core | ARM Cortex-M4F with FPU | β |
| CPU Architecture | 32-bit ARMv7-M | β |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Program Flash | 256 KB (with ECC) | β |
| SRAM | 128 KB | 192 KB |
| Operating Voltage Range | 1.71 V to 3.6 V | β |
| I/O Pins | 51 | β |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Operating Temperature Range | -40 Β°C to +125 Β°C (Extended) | -40 C to +125 C (automotive grade) |
| ADC | 12-bit, up to 1 MSPS, up to 16 channels | 12-bit, up to 16 channels, 1 Msps |
| DAC | 12-bit, 2 channels | Two 12-bit DAC outputs |
| USB | USB 2.0 Full-Speed Device/Host | β |
| CAN | 2x CAN-FD controllers (ISO 11898-1) | β |
| SERCOM | Up to 8 SERCOM (UART/SPI/I2C) | β |
| Cryptographic Accelerator | AES-256, SHA-256, TRNG | β |
| Parallel Capture Controller (PCC) | Yes | β |
| DMA Channels | 24 | 32 (separate descriptor RAM) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | MSL3 (per JEDEC J-STD-020) | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| Core Architecture | β | ARM Cortex-M4F with FPU and DSP |
| Program Memory (Flash) | β | 512 KB (512K x 8) dual-panel with ECC |
| Supply Voltage Range | β | 1.71 V to 3.63 V (3.3 V nominal) |
| GPIO Count | β | 51 |
| Communication Interfaces | β | 6x SERCOM (USART/SPI/I2C), I2S, USB 2.0 FS with embedded PHY, CAN-FD |
| Timers/Counters | β | 5x 16-bit TC, 32-bit RTC with calendar |
| Event System | β | 16 channels, peripheral-to-peripheral |
| AEC-Q100 | β | Qualified (automotive grade) |