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