ATSAMD20J18A-MNT vs ATSAMD21J17D-MU Comparison
Detailed side-by-side comparison of ATSAMD20J18A-MNT 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
ATSAMD20J18A-MNT - 48MHz Cortex-M0+ MCU, 256KB Flash, 64-QFN
ATSAMD20J18A-MNT ✓ ActiveMicrochip Technology
ATSAMD21J17D-MU - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21J17D-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20J18A-MNT | ATSAMD21J17D-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.41 | $2.21 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Maximum CPU Frequency | 48 MHz | — |
| Flash Program Memory | 256 KB | — |
| SRAM | 32 KB | 16 KB |
| Supply Voltage Range | 1.62 V to 3.63 V | — |
| Operating Temperature Range | -40 °C to +105 °C | — |
| Package | 64-pin QFN (9x9 mm, MNT suffix = Tape and Reel) | 64-QFN (9x9 mm) with Exposed Pad |
| SERCOM Channels (configurable I²C/SPI/UART) | 6 | — |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 350 ksps |
| DAC | 10-bit, 1 channel, 350 ksps | 10-bit, 350 ksps |
| PWM Timers (16-bit TCC) | 3 | — |
| Peripheral Touch Controller (PTC) | 256 channels | — |
| RTC | Yes, 32 kHz domain | — |
| CoreMark Score | 2.14 CoreMark/MHz (per datasheet) | — |
| Pin Count | 64 | — |
| Mounting Type | Surface Mount | Surface Mount |
| Debug Interface | SWD (2-wire) + cJTAG | — |
| RoHS Status | Compliant | Compliant |
| Core | — | ARM Cortex-M0+ (SAM D21J family) |
| CPU Bit Width | — | 32-bit |
| Maximum CPU Clock | — | 48 MHz |
| 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) |
| USB | — | USB 2.0 Full-Speed Device with on-chip transceiver |
| 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 |
| I/O Pins | — | 52 programmable GPIO |
| MSL Level | — | 3 (168 hours) |
| Lead-Free / Halogen-Free | — | Yes / Yes |