ATSAMD21J18A-CU vs ATSAMD21J17D-MU Comparison
Detailed side-by-side comparison of ATSAMD21J18A-CU by Microchip Technology and ATSAMD21J17D-MU 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-CU - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J18A-CU β ActiveMicrochip Technology
ATSAMD21J17D-MU - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21J17D-MU β ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-CU | ATSAMD21J17D-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.52 | $2.21 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (SAM D21J family) |
| Maximum CPU Frequency | 48 MHz | β |
| CoreMark/MHz | 2.46 | β |
| Flash Memory | 256 KB | β |
| SRAM | 32 KB | 16 KB |
| Operating Voltage | 1.62 V to 3.6 V | β |
| Package | 64-ball UFBGA (CU), 5x5 mm | 64-QFN (9x9 mm) with Exposed Pad |
| SERCOM Channels | 6 (configurable as UART/SPI/I2C) | β |
| USB | USB 2.0 Full-Speed Device with on-chip PHY | USB 2.0 Full-Speed Device with on-chip transceiver |
| ADC | 12-bit, up to 1 MSPS, up to 12 analog inputs | 12-bit, up to 350 ksps |
| DAC | 10-bit, 1 channel | 10-bit, 350 ksps |
| Timers/Counters | Up to 8 TC channels (24-bit), 3 TCC channels (16-bit) | 6 x 16-bit TC, plus 32-bit RTC |
| I/O Pins | Up to 52 GPIO (depending on package) | 52 programmable GPIO |
| Operating Temperature | -40C to +85C (Industrial / GREEN) | -40C to +85C (Industrial) |
| On-chip Oscillator | 48 MHz DFLL48M with PLL | β |
| Mounting Type | Surface Mount (BGA) | Surface Mount |
| RoHS Status | Compliant (GREEN) | Compliant |
| MSL Level | 3 (per JEDEC J-STD-020) | 3 (168 hours) |
| CPU Bit Width | β | 32-bit |
| Maximum CPU Clock | β | 48 MHz |
| Program Memory (Flash) | β | 128 KB (128K x 8) |
| RWW Flash Section | β | 4 KB |
| Supply Voltage (Vdd) | β | 1.62 V to 3.63 V |
| SERCOM Modules | β | 6 (configurable as UART/SPI/I2C) |
| PTC (Touch) | β | Peripheral Touch Controller supported |
| Lead-Free / Halogen-Free | β | Yes / Yes |