ATSAMD21J17A-AF vs ATSAMD21J18A-CU Comparison
Detailed side-by-side comparison of ATSAMD21J17A-AF 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
ATSAMD21J17A-AF - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21J17A-AF β ActiveMicrochip Technology
ATSAMD21J18A-CU - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J18A-CU β ActiveSpecification Comparison
| Parameter | ATSAMD21J17A-AF | ATSAMD21J18A-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.75 | $2.52 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | β |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Flash Memory | 128 KB (128K x 8) | 256 KB |
| SRAM | 16 KB | 32 KB |
| RWW EEPROM Emulation Area | 4 KB | β |
| Operating Voltage Range | 1.62 V to 3.63 V | β |
| Maximum Operating Temperature | +125 Β°C (industrial grade) | β |
| Package | 64-pin TQFP, 10x10 mm, 0.5 mm pitch | 64-ball UFBGA (CU), 5x5 mm |
| Mounting Type | Surface Mount | Surface Mount (BGA) |
| USB Interface | USB 2.0 Full-Speed Device with on-chip transceiver | β |
| Serial Communication Modules (SERCOM) | 6 (each configurable as UART/USART/SPI/I2C) | β |
| ADC | 12-bit, up to 350 ksps, up to 20 channels | 12-bit, up to 1 MSPS, up to 12 analog inputs |
| DAC | 10-bit, 350 ksps | 10-bit, 1 channel |
| PWM Channels | Up to 24 (TCC/TC) | β |
| GPIO Count | Up to 52 | β |
| MSL Level | MSL3 (per JEDEC J-STD-020) | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant (GREEN) |
| Core | β | ARM Cortex-M0+ (32-bit) |
| CoreMark/MHz | β | 2.46 |
| Operating Voltage | β | 1.62 V to 3.6 V |
| SERCOM Channels | β | 6 (configurable as UART/SPI/I2C) |
| USB | β | USB 2.0 Full-Speed Device with on-chip PHY |
| Timers/Counters | β | Up to 8 TC channels (24-bit), 3 TCC channels (16-bit) |
| I/O Pins | β | Up to 52 GPIO (depending on package) |
| Operating Temperature | β | -40C to +85C (Industrial / GREEN) |
| On-chip Oscillator | β | 48 MHz DFLL48M with PLL |