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