ATSAMD21J15B-AUT vs ATSAMD21J18A-AU Comparison
Detailed side-by-side comparison of ATSAMD21J15B-AUT by Microchip Technology and ATSAMD21J18A-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
ATSAMD21J15B-AUT - 32KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J15B-AUT ✓ ActiveMicrochip Technology
ATSAMD21J18A-AU - ARM Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J15B-AUT | ATSAMD21J18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Maximum Clock Frequency | 48 MHz | 48 MHz |
| Program Flash Memory | 32 KB (32K x 8) | — |
| SRAM | 4 KB | 32 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Supply Voltage (typical) | 3.3 V | — |
| Operating Temperature | -40 C to +85 C (AUT suffix) | — |
| Package | 64-pin TQFP (10 x 10 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | — |
| I/O Pins | Up to 52 GPIO | — |
| Communication Interfaces | 6x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device, I2S | — |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 20 channels, 350 ksps |
| DAC | 10-bit, 1 channel, 350 ksps | 2x 12-bit |
| Timers | TC x3 (16-bit), TCC x2 (24-bit) | — |
| USB | USB 2.0 Full-Speed Device with on-chip transceiver | Full-Speed USB 2.0 Device & Host |
| Touch | Peripheral Touch Controller (PTC) | — |
| RoHS Status | Compliant (Green) | Compliant |
| Delivery Form | Tape & Reel (AUT) | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Family | — | SAM D21J |
| Flash Memory | — | 256 KB |
| Supply Voltage Range | — | 1.62 V to 3.6 V |
| GPIO Count | — | 52 (maximum) |
| Operating Temperature Range | — | -40C to +85C (industrial) |
| SERCOM Modules | — | 6 (configurable UART/SPI/I2C) |
| CoreMark/MHz | — | 2.46 |
| Lead-Free | — | Yes |
| Carrier Type (suffix AU) | — | Tray |