ATSAML21J18B-AUT vs ATSAML21J17B-UUT Comparison
Detailed side-by-side comparison of ATSAML21J18B-AUT by Microchip Technology and ATSAML21J17B-UUT 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
ATSAML21J18B-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML21J18B-AUT β ActiveMicrochip Technology
ATSAML21J17B-UUT - 128KB Flash 48MHz ARM Cortex-M0+ MCU | Microchip
ATSAML21J17B-UUT β ActiveSpecification Comparison
| Parameter | ATSAML21J18B-AUT | ATSAML21J17B-UUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.55 | $2.18 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | β |
| Series | SAM L21J, Functional Safety (FuSa) | β |
| Maximum CPU Frequency | 48 MHz | β |
| Program Flash | 256 KB (256K x 8) | β |
| SRAM | 32 KB (up to 40 KB reported by some sources) | 16 KB |
| Supply Voltage (Vcc/Vdd) | 1.62 V to 3.63 V | β |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C (industrial) |
| Package | 64-pin TQFP (10x10 mm) | 64-ball WLCSP (3.58 x 3.28 mm) |
| Mounting Type | Surface Mount (Tape & Reel, AUT suffix) | Surface Mount |
| GPIO Count | 51 (per SAM L21J datasheet) | β |
| USB | USB 2.0 Full-Speed Device | Full-Speed USB Device |
| Serial Interfaces | Multiple SERCOM (configurable as UART/SPI/I2C) | β |
| ADC | 12-bit | 12-bit, up to 1 Msps |
| DAC | 10-bit | β |
| Touch Peripheral (PTC) | Yes (Peripheral Touch Controller) | β |
| Active Current | Under 35 uA/MHz | 35 uA/MHz (typical) |
| Sleep Current | 200 nA | 200 nA (typical) |
| Functional Safety | IEC 60730 Class B (FuSa variant) | FuSa features supported |
| RoHS Status | Compliant | Compliant (Green) |
| Carrier Type | Tape & Reel (AUT suffix) | β |
| Core | β | ARM Cortex-M0+ (32-bit, single-core) |
| Maximum Clock Frequency | β | 48 MHz |
| Flash Memory | β | 128 KB |
| Supply Voltage (VDD) | β | 1.6 V to 3.6 V |
| Touch Controller | β | PTC (Peripheral Touch Controller) |