ATSAMD21J18A-MUT vs ATSAMD21J17D-MU Comparison
Detailed side-by-side comparison of ATSAMD21J18A-MUT by Microchip Technology and ATSAMD21J17D-MU 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-MUT - 48MHz ARM Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD21J18A-MUT ✓ ActiveMicrochip Technology
ATSAMD21J17D-MU - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21J17D-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-MUT | ATSAMD21J17D-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.42 | $2.21 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (SAM D21J family) |
| Series | SAM D21J (Functional Safety / FuSa) | — |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| Flash Program Memory | 256 KB (256K x 8) | — |
| SRAM | 32 KB | 16 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Package | 64-QFN (9x9 mm) | 64-QFN (9x9 mm) with Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | -40 C to +85 C (industrial) | — |
| CoreMark Score | 2.46 CoreMark/MHz | — |
| ADC | 12-bit SAR, up to 350 ksps, 20 channels | 12-bit, up to 350 ksps |
| DAC | 10-bit, 1 channel | 10-bit, 350 ksps |
| USB | USB 2.0 Full Speed with on-chip PHY | USB 2.0 Full-Speed Device with on-chip transceiver |
| Communication Interfaces | 6x SERCOM (UART/SPI/I2C), I2S | — |
| Timers | TCC (Timer/Counter for Control), TC, RTC | — |
| I/O Pins | Up to 52 GPIO | 52 programmable GPIO |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: MSL level] | 3 (168 hours) |
| CPU Bit Width | — | 32-bit |
| Program Memory (Flash) | — | 128 KB (128K x 8) |
| RWW Flash Section | — | 4 KB |
| Supply Voltage (Vdd) | — | 1.62 V to 3.63 V |
| Operating Temperature | — | -40C to +85C (Industrial) |
| SERCOM Modules | — | 6 (configurable as UART/SPI/I2C) |
| Timers/Counters | — | 6 x 16-bit TC, plus 32-bit RTC |
| PTC (Touch) | — | Peripheral Touch Controller supported |
| Lead-Free / Halogen-Free | — | Yes / Yes |