ATSAML21J18B-UUT vs ATSAML21J17B-UUT Comparison
Detailed side-by-side comparison of ATSAML21J18B-UUT 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-UUT - 256KB Flash Cortex-M0+ MCU | Microchip
ATSAML21J18B-UUT ✓ ActiveMicrochip Technology
ATSAML21J17B-UUT - 128KB Flash 48MHz ARM Cortex-M0+ MCU | Microchip
ATSAML21J17B-UUT ✓ ActiveSpecification Comparison
| Parameter | ATSAML21J18B-UUT | ATSAML21J17B-UUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.78 | $2.18 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Maximum CPU Clock | 48 MHz | — |
| CoreMark per MHz | 2.46 CoreMark/MHz | — |
| Flash Program Memory | 256 KB | — |
| SRAM | 40 KB | 16 KB |
| Supply Voltage Range | 1.6 V to 3.6 V | — |
| Operating Temperature Range | -40C to +85C (industrial) | — |
| Active Current Consumption | < 35 uA/MHz | — |
| Sleep Mode Current | 200 nA | — |
| ADC | 12-bit, up to 1 MSPS (up to 20 channels) | 12-bit, up to 1 Msps |
| DAC | 10-bit | — |
| SERCOM Channels | 4 (configurable USART/I2C/SPI) | — |
| RTC | 32-bit with calendar mode | — |
| Peripheral Touch Controller (PTC) | Yes - capacitive touch support | — |
| Package | WLCSP-64 (3.0 x 3.0 mm, wafer-level chip scale) | 64-ball WLCSP (3.58 x 3.28 mm) |
| Mounting Type | Surface Mount (chip-scale) | Surface Mount |
| Lead-Free / RoHS | Lead-free, RoHS compliant | — |
| MSL Level | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| Core | — | ARM Cortex-M0+ (32-bit, single-core) |
| Maximum Clock Frequency | — | 48 MHz |
| Flash Memory | — | 128 KB |
| Supply Voltage (VDD) | — | 1.6 V to 3.6 V |
| Active Current | — | 35 uA/MHz (typical) |
| Sleep Current | — | 200 nA (typical) |
| Operating Temperature | — | -40C to +85C (industrial) |
| USB | — | Full-Speed USB Device |
| Touch Controller | — | PTC (Peripheral Touch Controller) |
| Functional Safety | — | FuSa features supported |
| RoHS Status | — | Compliant (Green) |