ATSAMD21G18A-MU vs ATSAMD21J18A-AF Comparison
Detailed side-by-side comparison of ATSAMD21G18A-MU by Microchip Technology and ATSAMD21J18A-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
ATSAMD21G18A-MU - 256KB Flash Cortex-M0+ MCU, 48MHz | Microchip
ATSAMD21G18A-MU ✓ ActiveMicrochip Technology
ATSAMD21J18A-AF - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD21J18A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-MU | ATSAMD21J18A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.15 | $2.99 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Family | SAM D21 (FuSa / IEC 60730 Class B) | SAM D21J |
| Max CPU Frequency | 48 MHz | — |
| Flash Memory | 256 KB | 256 KB (256K x 8) |
| SRAM | 32 KB | 32 KB |
| Supply Voltage | 1.62 V to 3.6 V | — |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +125C (industrial) |
| Package | 48-pin QFN (7x7 mm) | 64-pin TQFP (10x10 mm) |
| USB | USB 2.0 Full-Speed Device with on-chip transceiver | USB 2.0 Full-Speed Device/Host |
| ADC | 12-bit, up to 350 ksps, up to 20 channels | 12-bit, up to 350 ksps, hardware oversampling |
| DAC | 10-bit, 350 ksps | 12-bit, 1 Msps |
| SERCOM Modules | 6 (each configurable as USART / I2C / SPI / LIN) | 6 (configurable as UART/SPI/I2C) |
| Timers/Counters | TC (8-bit / 16-bit), TCC (16-bit PWM) | — |
| RTC | 32-bit RTC with calendar | — |
| GPIOs | 38 | — |
| DMA Channels | 12 | — |
| Event System Channels | 12 | — |
| Touch Peripheral | PTC (Peripheral Touch Controller) | — |
| RoHS Status | Compliant (Green) | Compliant |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum Clock Frequency | — | 48 MHz |
| CoreMark Score | — | 2.46 CoreMark/MHz |
| Supply Voltage Range | — | 1.6 V to 3.6 V |
| GPIO Count | — | Up to 52 |
| Analog Comparators | — | 2 |
| Carrier Type | — | Tray |