ATSAME51J20A-AFT vs ATSAME51J18A-AFT Comparison
Detailed side-by-side comparison of ATSAME51J20A-AFT by Microchip Technology and ATSAME51J18A-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
ATSAME51J20A-AFT - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51J20A-AFT ✓ ActiveMicrochip Technology
ATSAME51J18A-AFT - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
ATSAME51J18A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAME51J20A-AFT | ATSAME51J18A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.20 | $5.21 |
| Core Architecture | ARM Cortex-M4F with FPU | — |
| Maximum CPU Frequency | 120 MHz | — |
| Program Memory (Flash) | 1 MB (1M x 8) dual-panel with ECC | — |
| SRAM | 256 KB | 128 KB |
| Operating Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| Operating Temperature Range | -40 C to +125 C (Extended Industrial) | -40 °C to +125 °C (Extended) |
| ADC | 12-bit, up to 1 Msps, up to 16 channels | 12-bit, up to 1 MSPS, up to 16 channels |
| CAN Interfaces | 2x CAN-FD controllers | — |
| USB | USB 2.0 Full-Speed with on-chip PHY | USB 2.0 Full-Speed Device/Host |
| SERCOM Modules | Configurable UART/SPI/I2C (quantity [DATA_NEEDED: SERCOM count]) | — |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL level] | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 Qualified | Yes | — |
| Encryption | AES, SHA, TRNG (TrustZone-M) | — |
| Peripheral Touch Controller | PTC supported | — |
| Core | — | ARM Cortex-M4F with FPU |
| CPU Architecture | — | 32-bit ARMv7-M |
| Maximum CPU Clock | — | 120 MHz |
| Program Flash | — | 256 KB (with ECC) |
| I/O Pins | — | 51 |
| DAC | — | 12-bit, 2 channels |
| CAN | — | 2x CAN-FD controllers (ISO 11898-1) |
| SERCOM | — | Up to 8 SERCOM (UART/SPI/I2C) |
| Cryptographic Accelerator | — | AES-256, SHA-256, TRNG |
| Parallel Capture Controller (PCC) | — | Yes |
| DMA Channels | — | 24 |