ATSAML22J17A-MUT vs ATSAML21J18B-AUT Comparison
Detailed side-by-side comparison of ATSAML22J17A-MUT 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
ATSAML22J17A-MUT - ARM Cortex-M0+ MCU 128KB Flash 64-QFN | Microchip
ATSAML22J17A-MUT ✓ ActiveMicrochip Technology
ATSAML21J18B-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML21J18B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAML22J17A-MUT | ATSAML21J18B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.92 | $4.55 |
| Core Processor | ARM Cortex-M0+ | — |
| Core Size | 32-Bit | — |
| Maximum CPU Frequency | 32 MHz | 48 MHz |
| Program Memory Type | Flash | — |
| Program Memory Size | 128 KB (128K x 8) | — |
| EEPROM Size | 8 KB (RWWEE) | — |
| RAM Size | [DATA_NEEDED: RAM size] | — |
| Supply Voltage Range | 1.6 V to 3.6 V | — |
| Active Current Consumption | 39 uA/MHz (CoreMark) | — |
| Ultra-Low-Power Backup Mode | 490 nA (RTC running) | — |
| Operating Temperature Range | -40C to +85C | — |
| Package / Case | 64-QFN (9x9 mm) with exposed pad | — |
| Mounting Type | Surface Mount, Tape & Reel | Surface Mount (Tape & Reel, AUT suffix) |
| Number of I/O Pins | [DATA_NEEDED: I/O count] | — |
| Connectivity | I2C, SPI, UART, USB 2.0 Full-Speed Device | — |
| Peripherals | SLCD controller, 12-bit ADC, RTC, multiple SERCOM | — |
| RoHS Status | Compliant | Compliant |
| Green Compliance | Yes (lead-free, halogen-free per datasheet suffix MUT) | — |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Series | — | SAM L21J, Functional Safety (FuSa) |
| Program Flash | — | 256 KB (256K x 8) |
| SRAM | — | 32 KB (up to 40 KB reported by some sources) |
| Supply Voltage (Vcc/Vdd) | — | 1.62 V to 3.63 V |
| Operating Temperature | — | -40 C to +85 C (industrial) |
| Package | — | 64-pin TQFP (10x10 mm) |
| GPIO Count | — | 51 (per SAM L21J datasheet) |
| USB | — | USB 2.0 Full-Speed Device |
| Serial Interfaces | — | Multiple SERCOM (configurable as UART/SPI/I2C) |
| ADC | — | 12-bit |
| DAC | — | 10-bit |
| Touch Peripheral (PTC) | — | Yes (Peripheral Touch Controller) |
| Active Current | — | Under 35 uA/MHz |
| Sleep Current | — | 200 nA |
| Functional Safety | — | IEC 60730 Class B (FuSa variant) |
| Carrier Type | — | Tape & Reel (AUT suffix) |