ATSAME51J20A-AU-EFP vs ATSAMD51J19A-AUT-EFP Comparison
Detailed side-by-side comparison of ATSAME51J20A-AU-EFP by Microchip Technology and ATSAMD51J19A-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
ATSAME51J20A-AU-EFP - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51J20A-AU-EFP ✓ ActiveMicrochip Technology
ATSAMD51J19A-AUT-EFP - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51J19A-AUT-EFP ✓ ActiveSpecification Comparison
| Parameter | ATSAME51J20A-AU-EFP | ATSAMD51J19A-AUT-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.35 | $4.45 |
| Core | ARM Cortex-M4F with single-precision FPU | ARM Cortex-M4F with single-precision FPU |
| Maximum CPU Clock | 120 MHz | — |
| Program Memory (Flash) | 1 MB (1024 KB) Dual-Panel Flash with ECC | — |
| SRAM | 256 KB | 192 KB with ECC |
| Instruction Cache (I-cache) | 16 KB | — |
| Supply Voltage (VDD) | 3.3 V typical (1.71 V to 3.6 V range) | — |
| Package | 64-pin TQFP (10x10 mm) | 64-TQFP (10x10 mm) |
| Operating Temperature | -40C to +85C (industrial) | — |
| ADC | 12-bit, up to 1 MSPS, up to 32 channels | 12-bit ADC |
| DAC | 12-bit, 1 MSPS | — |
| Communication Interfaces | SERCOM x8 (UART/SPI/I2C), USB 2.0 Full-Speed, CAN-FD, I2S | — |
| DMA Channels | 32 channels (DMAC + linked descriptors) | — |
| Timers/Counters | TCC x6, TC x3, RTC | — |
| Touch Peripheral | Peripheral Touch Controller (PTC) | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) | — |
| Maximum Clock Speed | — | 120 MHz |
| Flash Memory | — | 512 KB (dual-panel with ECC) |
| Operating Voltage | — | 1.71 V to 3.6 V |
| Supply Voltage Min | — | 1.71 V |
| Supply Voltage Max | — | 3.6 V |
| Programmable I/O Pins | — | 51 |
| USB | — | USB 2.0 Full-Speed device/host with on-chip transceiver |
| Operating Temperature Grade | — | Automotive (-40C to +125C) |
| Flash Performance | — | Extended Flash Performance (EFP bin) |