ATSAMD21J17A-AUT vs ATSAMD21J18A-AFT Comparison
Detailed side-by-side comparison of ATSAMD21J17A-AUT by Microchip Technology and ATSAMD21J18A-AFT 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
ATSAMD21J17A-AUT - SAM D21 Cortex-M0+ 48MHz MCU | Microchip
ATSAMD21J17A-AUT ✓ ActiveMicrochip Technology
ATSAMD21J18A-AFT - 32-bit Cortex-M0+ MCU, 256KB Flash, 64-TQFP | Microchip
ATSAMD21J18A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J17A-AUT | ATSAMD21J18A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.30 | $2.71 |
| Series | SAM D21 | — |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ (32-bit) |
| Core Size | 32-Bit | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) | — |
| SRAM | 16 KB | 32 KB |
| RWW Flash Partition | 4 KB | — |
| Supply Voltage (VDDIN) | 1.6 V to 3.6 V | — |
| Operating Temperature | -40C to +85C (automotive grade) | -40C to +125C |
| Package | 64-TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount (SMD/SMT) |
| Number of I/O | 52 (approx.) | — |
| SERCOM Interfaces | 6 (configurable I2C/SPI/UART) | — |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 20 channels, 1 MSPS |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| USB | USB 2.0 Full-Speed Device/Host | Full-speed USB 2.0 device and host |
| Timers | Four 16-bit TCC/TC | — |
| RTC | 32-bit | — |
| Peripheral Touch (PTC) | Yes | — |
| Automotive Grade | Yes (-AUT suffix) | — |
| RoHS Status | Compliant | Compliant (Green) |
| MSL Level | 3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL rating] |
| Family | — | SAM D21J |
| Flash Memory | — | 256 KB |
| Supply Voltage (VDD) | — | 1.62 V to 3.63 V |
| I/O Pins | — | Up to 52 |
| SERCOM | — | 6 (each configurable as UART/SPI/I2C) |
| DMAC | — | 12 channels |
| Timers/Counters | — | [DATA_NEEDED: TC count and TCC count] |
| Functional Safety | — | FuSa-capable |