ATSAMD21J18A-AU vs ATSAMD21J16B-AU Comparison
Detailed side-by-side comparison of ATSAMD21J18A-AU by Microchip Technology and ATSAMD21J16B-AU 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-AU - ARM Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-AU β ActiveMicrochip Technology
ATSAMD21J16B-AU - SAM D21 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J16B-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-AU | ATSAMD21J16B-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.69 | $2.75 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (M0+) |
| Family | SAM D21J | β |
| Maximum Clock Frequency | 48 MHz | 48 MHz |
| Flash Memory | 256 KB | β |
| SRAM | 32 KB | β |
| Supply Voltage Range | 1.62 V to 3.6 V | β |
| GPIO Count | 52 (maximum) | β |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Operating Temperature Range | -40C to +85C (industrial) | -40 C to +85 C |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, 8-channel, up to 350 ksps |
| DAC | 2x 12-bit | 10-bit, 1-channel |
| USB | Full-Speed USB 2.0 Device & Host | USB 2.0 Full-Speed with OTG |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | β |
| CoreMark/MHz | 2.46 | β |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | Yes |
| Carrier Type (suffix AU) | Tray | β |
| CPU Architecture | β | 32-bit RISC |
| Program Memory (Flash) | β | 64 KB (64K x 8) |
| Data Memory (SRAM) | β | 8 KB |
| Operating Voltage Range | β | 1.62 V to 3.63 V |
| Supply Voltage (nominal) | β | 3.3 V |
| I/O Pins | β | 52 programmable |
| SERCOM | β | 6 configurable (UART/SPI/I2C) |
| Timers | β | 16-bit TC, 8-bit TC, RTC |
| DMAC | β | 12-channel |
| Event System | β | 12-channel |
| External Interrupts (EIC) | β | 16 |
| Debug Interface | β | 2-pin Serial Wire Debug (SWD) |
| Mounting Type | β | Surface Mount |
| MSL Level | β | 3 (168 hours) |
| Functional Safety | β | FuSa capable |
| Active Current (typ.) | β | 70 uA/MHz |