ATSAMD21J16B-AF vs ATSAMD21G18A-AF Comparison
Detailed side-by-side comparison of ATSAMD21J16B-AF by Microchip Technology and ATSAMD21G18A-AF 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
ATSAMD21J16B-AF - 48MHz Cortex-M0+ MCU, 64KB Flash | Microchip
ATSAMD21J16B-AF β ActiveMicrochip Technology
ATSAMD21G18A-AF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AF β ActiveSpecification Comparison
| Parameter | ATSAMD21J16B-AF | ATSAMD21G18A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.52 | $3.49 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (SAM D21) |
| Maximum CPU Frequency | 48 MHz | β |
| CoreMark/MHz | 2.46 | β |
| Flash Memory | 64 KB | 256 KB |
| SRAM | 8 KB | 32 KB |
| Supply Voltage (VDDIO) | 1.62 V to 3.63 V (3.3 V typical) | β |
| Operating Temperature | -40C to +125C (industrial) | -40C to +85C |
| Package | 64-pin TQFP (10x10 mm) | 48-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps | 10-bit, 350 ksps |
| Analog Comparators | 2 | β |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | β |
| USB | USB 2.0 Full-Speed Device/Host | Full-speed USB 2.0 device with on-the-go (OTG) |
| DMA Channels | 12 | 12-channel DMAC |
| Event System Channels | 12 | β |
| Debug Interface | 2-pin Serial Wire Debug (SWD) | Two-pin Serial Wire Debug (SWD) |
| RoHS Status | Compliant | Compliant |
| Core Architecture | β | 32-bit RISC, Thumb/Thumb-2 instruction set |
| Maximum CPU Clock | β | 48 MHz |
| Supply Voltage (VDD) | β | 1.62 V to 3.63 V |
| SERCOM Channels | β | Up to 6 (configurable as I2C/SPI/UART) |
| Timers | β | Up to 5 x 16-bit Timer/Counters (TC) |
| Event System | β | 12-channel inter-peripheral |