ATSAMD21J18A-AF vs ATSAMD21J15B-MUT Comparison
Detailed side-by-side comparison of ATSAMD21J18A-AF by Microchip Technology and ATSAMD21J15B-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
ATSAMD21J18A-AF - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD21J18A-AF β Active
Specification Comparison
| Parameter | ATSAMD21J18A-AF | ATSAMD21J15B-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.91 | $1.92 |
| 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) | β |
| SRAM | 32 KB | 4 KB |
| Supply Voltage (VDDIN) | 1.6 V to 3.6 V | β |
| Operating Temperature | -40C to +125C (industrial, AF suffix) | -40 C to +85 C (Industrial) |
| Package | 64-pin TQFP (10x10 mm) | 64-QFN (9x9 mm) with EP |
| GPIO Count | Up to 52 | β |
| ADC | 12-bit, up to 350 ksps, 20 channels, hardware oversampling | 12-bit, up to 14 channels |
| DAC | 12-bit, 1 Msps, 1 channel | 10-bit, 1 channel |
| 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 | Full-speed USB 2.0 with on-chip transceiver |
| 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 | Yes, with 32 kHz crystal support |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) | 3 (168 hours) |
| RoHS Status | Compliant (Green, Pb-free) | Compliant |
| Core Architecture | β | ARM Cortex-M0+ (32-bit) |
| Family | β | SAM D21J (Functional Safety - FuSa) |
| Maximum CPU Frequency | β | 48 MHz |
| CoreMark/MHz | β | 2.46 |
| Program Flash | β | 32 KB |
| Supply Voltage | β | 1.62 V to 3.63 V |
| SERCOM | β | 6 channels (UART/SPI/I2C configurable) |
| Timers/Counters | β | TC (3x 16-bit), TCC (1x 24-bit) |
| Debug Interface | β | Serial Wire Debug (SWD), 2-pin |