ATSAMD21J18A-MUT vs ATSAMD21J16B-MUT Comparison
Detailed side-by-side comparison of ATSAMD21J18A-MUT by Microchip Technology and ATSAMD21J16B-MUT 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
ATSAMD21J16B-MUT - 48MHz Cortex-M0+ 64KB Flash MCU | Microchip
ATSAMD21J16B-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-MUT | ATSAMD21J16B-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.42 | $2.30 |
| 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) | — |
| SRAM | 32 KB | 8 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 20 channels (SAR) |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| USB | USB 2.0 Full Speed with on-chip PHY | Full-Speed USB 2.0 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 | — |
| RoHS Status | Compliant | Compliant (Green) |
| MSL Level | [DATA_NEEDED: MSL level] | MSL3 (168 hours) |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| CPU Frequency (max) | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Flash Memory | — | 64 KB |
| Operating Voltage | — | 1.62 V to 3.63 V |
| GPIO Count (max) | — | 52 |
| Pin/Package Count | — | 64 |
| Operating Temperature | — | -40 C to +85 C (industrial) |
| SERCOM Interfaces | — | 6 (configurable as I2C/SPI/UART) |
| DMA Channels | — | 12 |
| Event System Channels | — | 12 |
| Timers/Counters | — | One 16-bit TC, One 8-bit TC, RTC |
| External Interrupts | — | 16 (plus 1 NMI) |
| Debug Interface | — | Serial Wire Debug (SWD), 2-pin |