ATSAML21J17B-MUT vs ATSAML21J18A-MUT Comparison
Detailed side-by-side comparison of ATSAML21J17B-MUT by Microchip Technology and ATSAML21J18A-MUT 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-MUT - 48MHz Cortex-M0+ 128KB MCU | Microchip
ATSAML21J17B-MUT ✓ ActiveMicrochip Technology
ATSAML21J18A-MUT - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAML21J18A-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAML21J17B-MUT | ATSAML21J18A-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.49 | $3.74 |
| Core | ARM Cortex-M0+ (32-bit, ARMv6-M) | ARM Cortex-M0+ |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| CoreMark Score | 2.46 CoreMark/MHz | — |
| Flash Memory | 128 KB | 256 KB |
| SRAM | 16 KB (128 KB variant per DigiKey/Mouser inconsistency noted) | 32 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| Active Current | < 35 uA/MHz | — |
| Sleep Current | 200 nA | — |
| Package | 64-pin QFN (9x9 mm) with exposed pad | 64-QFN (9x9 mm) with exposed pad |
| ADC | 12-bit, up to 1 Msps | 12-bit, up to 1 MSPS |
| Analog Comparators | 2 | — |
| SERCOM Channels | 6 (configurable UART/SPI/I2C) | 6 (configurable as USART, I2C, SPI) |
| RTC | 32-bit RTC with calendar | — |
| Operating Temperature | -40C to +85C (industrial) | -40 C to +85 C |
| Mounting Type | Surface Mount (Tape & Reel) | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Functional Safety | FuSa features integrated | — |
| Security | Peripheral Access Control (PAC), TRNG | — |
| Core Architecture | — | ARMv6-M |
| Supply Voltage Range | — | 1.62 V to 3.63 V |
| DAC | — | 10-bit, 350 kSPS |
| USB | — | USB 2.0 Full-Speed device, on-chip transceiver |
| Timers | — | 6 (TC, TCC) |
| Touch Peripheral | — | PTC (Peripheral Touch Controller), up to 256 channels |
| I/O Pins | — | Up to 51 |
| MSL Level | — | MSL3 |
| AEC-Q100 | — | Not qualified |
| Lead-Free / Halogen-Free | — | Lead-free; halogen-free status per datasheet |