ATSAML22G17A-AUT vs ATSAML21J18B-AUT Comparison
Detailed side-by-side comparison of ATSAML22G17A-AUT 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
ATSAML22G17A-AUT - ARM Cortex-M0+ 32MHz 128KB MCU | Microchip
ATSAML22G17A-AUT ✓ ActiveMicrochip Technology
ATSAML21J18B-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML21J18B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAML22G17A-AUT | ATSAML21J18B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.35 | $4.55 |
| Core | ARM Cortex-M0+ 32-bit | — |
| Series | SAM L22 (SAM L22G) | SAM L21J, Functional Safety (FuSa) |
| Max Clock Frequency | 32 MHz | — |
| CoreMark/MHz | 2.46 | — |
| Flash Memory | 128 KB (128K x 8) | — |
| SRAM | 16 KB | 32 KB (up to 40 KB reported by some sources) |
| Backup SRAM | 8 KB (in Backup domain) | — |
| Supply Voltage | 1.62 V to 3.6 V | — |
| Active Current | 39 uA/MHz (CPU running CoreMark) | Under 35 uA/MHz |
| Backup Mode Current | 490 nA (RTC running) | — |
| Operating Temperature | -40 C to +85 C (industrial, AUT grade) | -40 C to +85 C (industrial) |
| Package | 48-pin TQFP (7 x 7 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount (Tape & Reel, AUT suffix) |
| ADC | 12-bit 1 Msps SAR + 16-bit Sigma-Delta | 12-bit |
| Peripherals | SERCOM (UART/SPI/I2C), USB FS, PTC, AES, RTC, LCD | — |
| Segment LCD | Yes, on-chip controller | — |
| USB | USB 2.0 Full-Speed Device with embedded transceiver | USB 2.0 Full-Speed Device |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | — | 48 MHz |
| Program Flash | — | 256 KB (256K x 8) |
| Supply Voltage (Vcc/Vdd) | — | 1.62 V to 3.63 V |
| GPIO Count | — | 51 (per SAM L21J datasheet) |
| Serial Interfaces | — | Multiple SERCOM (configurable as UART/SPI/I2C) |
| DAC | — | 10-bit |
| Touch Peripheral (PTC) | — | Yes (Peripheral Touch Controller) |
| Sleep Current | — | 200 nA |
| Functional Safety | — | IEC 60730 Class B (FuSa variant) |
| Carrier Type | — | Tape & Reel (AUT suffix) |