ATSAMD21J18A-AF vs ATSAMD21J17A-AF Comparison
Detailed side-by-side comparison of ATSAMD21J18A-AF by Microchip Technology and ATSAMD21J17A-AF 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
ATSAMD21J18A-AF - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD21J18A-AF β ActiveMicrochip Technology
ATSAMD21J17A-AF - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21J17A-AF β ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-AF | ATSAMD21J17A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.91 | $2.75 |
| Core | ARM Cortex-M0+ (32-bit RISC) | β |
| Series | SAM D21J (Functional Safety / FuSa) | β |
| Maximum Clock Frequency | 48 MHz | β |
| CoreMark Performance | 2.46 CoreMark/MHz | β |
| Flash Memory | 256 KB (256K x 8) | 128 KB (128K x 8) |
| SRAM | 32 KB | 16 KB |
| Supply Voltage (VDDIN) | 1.6 V to 3.6 V | β |
| Operating Temperature | -40C to +125C (industrial, AF suffix) | β |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP, 10x10 mm, 0.5 mm pitch |
| GPIO Count | Up to 52 | Up to 52 |
| ADC | 12-bit, up to 350 ksps, 20 channels, hardware oversampling | 12-bit, up to 350 ksps, up to 20 channels |
| DAC | 12-bit, 1 Msps, 1 channel | 10-bit, 350 ksps |
| Analog Comparators | 2 | β |
| SERCOM Modules | 6 (each configurable as UART/SPI/I2C) | β |
| USB | USB 2.0 Full-Speed Device & Host, with on-chip transceiver | β |
| Timers (TC/TCC) | TC x5, TCC x3 (16-/24-bit) | β |
| Event System Channels | 12 channels for inter-peripheral signaling | β |
| RTC | 32.768 kHz RTC with calendar mode | β |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant (Green, Pb-free) | Compliant |
| Core Architecture | β | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | β | 48 MHz |
| RWW EEPROM Emulation Area | β | 4 KB |
| Operating Voltage Range | β | 1.62 V to 3.63 V |
| Maximum Operating Temperature | β | +125 Β°C (industrial grade) |
| USB Interface | β | USB 2.0 Full-Speed Device with on-chip transceiver |
| Serial Communication Modules (SERCOM) | β | 6 (each configurable as UART/USART/SPI/I2C) |
| PWM Channels | β | Up to 24 (TCC/TC) |