ATSAMD21J18A-MUT vs ATSAMD20J18A-MNT Comparison
Detailed side-by-side comparison of ATSAMD21J18A-MUT by Microchip Technology and ATSAMD20J18A-MNT 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
ATSAMD20J18A-MNT - 48MHz Cortex-M0+ MCU, 256KB Flash, 64-QFN
ATSAMD20J18A-MNT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-MUT | ATSAMD20J18A-MNT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.42 | $3.41 |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Series | SAM D21J (Functional Safety / FuSa) | — |
| Maximum CPU Clock | 48 MHz | — |
| Flash Program Memory | 256 KB (256K x 8) | 256 KB |
| SRAM | 32 KB | 32 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Package | 64-QFN (9x9 mm) | 64-pin QFN (9x9 mm, MNT suffix = Tape and Reel) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | -40 C to +85 C (industrial) | -40 °C to +105 °C |
| CoreMark Score | 2.46 CoreMark/MHz | 2.14 CoreMark/MHz (per datasheet) |
| ADC | 12-bit SAR, up to 350 ksps, 20 channels | 12-bit, up to 20 channels, 350 ksps |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel, 350 ksps |
| USB | USB 2.0 Full Speed with on-chip PHY | — |
| Communication Interfaces | 6x SERCOM (UART/SPI/I2C), I2S | — |
| Timers | TCC (Timer/Counter for Control), TC, RTC | — |
| I/O Pins | Up to 52 GPIO | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: MSL level] | — |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | — | 48 MHz |
| Supply Voltage Range | — | 1.62 V to 3.63 V |
| SERCOM Channels (configurable I²C/SPI/UART) | — | 6 |
| PWM Timers (16-bit TCC) | — | 3 |
| Peripheral Touch Controller (PTC) | — | 256 channels |
| RTC | — | Yes, 32 kHz domain |
| Pin Count | — | 64 |
| Debug Interface | — | SWD (2-wire) + cJTAG |