ATSAMD21J17D-AFT vs ATSAMD21J18A-AFT Comparison
Detailed side-by-side comparison of ATSAMD21J17D-AFT by Microchip Technology and ATSAMD21J18A-AFT 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-AFT - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21J17D-AFT ✓ ActiveMicrochip Technology
ATSAMD21J18A-AFT - 32-bit Cortex-M0+ MCU, 256KB Flash, 64-TQFP | Microchip
ATSAMD21J18A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J17D-AFT | ATSAMD21J18A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.78 | $2.71 |
| Core | ARM Cortex-M0+ (SAM D21J, Functional Safety (FuSa) capable) | ARM Cortex-M0+ (32-bit) |
| Bit Width | 32-bit | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Flash Memory | 128 KB (128K x 8) | 256 KB |
| SRAM | 16 KB | 32 KB |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount (SMD/SMT) |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| Operating Temperature | -40 C to +125 C (extended) | -40C to +125C |
| USB Interface | USB 2.0 Full-Speed Device with on-chip transceiver | — |
| Serial Interfaces | Up to 6 SERCOM (UART/SPI/I2C configurable) | — |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 20 channels, 1 MSPS |
| DAC | 10-bit | 10-bit, 1 channel |
| Timers | TC/TCC, RTC, WDT | — |
| I/O Voltage | 1.62 V to 3.63 V | — |
| RoHS Status | Compliant | Compliant (Green) |
| MSL Level | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL rating] |
| Supply Current (active) | [DATA_NEEDED: active mode current] | — |
| Family | — | SAM D21J |
| I/O Pins | — | Up to 52 |
| SERCOM | — | 6 (each configurable as UART/SPI/I2C) |
| USB | — | Full-speed USB 2.0 device and host |
| DMAC | — | 12 channels |
| Timers/Counters | — | [DATA_NEEDED: TC count and TCC count] |
| Functional Safety | — | FuSa-capable |