ATSAMD21J18A-AU vs ATSAMD21J15B-AUT Comparison
Detailed side-by-side comparison of ATSAMD21J18A-AU by Microchip Technology and ATSAMD21J15B-AUT 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
ATSAMD21J15B-AUT - 32KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J15B-AUT β ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-AU | ATSAMD21J15B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.69 | $2.40 |
| Core | ARM Cortex-M0+ (32-bit) | β |
| Family | SAM D21J | β |
| Maximum Clock Frequency | 48 MHz | 48 MHz |
| Flash Memory | 256 KB | β |
| SRAM | 32 KB | 4 KB |
| 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 (10 x 10 mm) |
| Operating Temperature Range | -40C to +85C (industrial) | β |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 20 channels, 350 ksps |
| DAC | 2x 12-bit | 10-bit, 1 channel, 350 ksps |
| USB | Full-Speed USB 2.0 Device & Host | USB 2.0 Full-Speed Device with on-chip transceiver |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | β |
| CoreMark/MHz | 2.46 | β |
| RoHS Status | Compliant | Compliant (Green) |
| Lead-Free | Yes | β |
| Carrier Type (suffix AU) | Tray | β |
| Core Architecture | β | ARM Cortex-M0+ (32-bit) |
| Program Flash Memory | β | 32 KB (32K x 8) |
| Operating Voltage Range | β | 1.62 V to 3.63 V |
| Supply Voltage (typical) | β | 3.3 V |
| Operating Temperature | β | -40 C to +85 C (AUT suffix) |
| Mounting Type | β | Surface Mount |
| I/O Pins | β | Up to 52 GPIO |
| Communication Interfaces | β | 6x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device, I2S |
| Timers | β | TC x3 (16-bit), TCC x2 (24-bit) |
| Touch | β | Peripheral Touch Controller (PTC) |
| Delivery Form | β | Tape & Reel (AUT) |