ATSAMD21J16B-AU vs ATSAMD21J18A-AFT Comparison
Detailed side-by-side comparison of ATSAMD21J16B-AU 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
ATSAMD21J16B-AU - SAM D21 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J16B-AU ✓ ActiveMicrochip Technology
ATSAMD21J18A-AFT - 32-bit Cortex-M0+ MCU, 256KB Flash, 64-TQFP | Microchip
ATSAMD21J18A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J16B-AU | ATSAMD21J18A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.75 | $2.71 |
| Core | ARM Cortex-M0+ (M0+) | ARM Cortex-M0+ (32-bit) |
| CPU Architecture | 32-bit RISC | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory (Flash) | 64 KB (64K x 8) | — |
| Data Memory (SRAM) | 8 KB | — |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Supply Voltage (nominal) | 3.3 V | — |
| Operating Temperature Range | -40 C to +85 C | — |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| I/O Pins | 52 programmable | Up to 52 |
| ADC | 12-bit, 8-channel, up to 350 ksps | 12-bit, up to 20 channels, 1 MSPS |
| DAC | 10-bit, 1-channel | 10-bit, 1 channel |
| USB | USB 2.0 Full-Speed with OTG | Full-speed USB 2.0 device and host |
| SERCOM | 6 configurable (UART/SPI/I2C) | 6 (each configurable as UART/SPI/I2C) |
| Timers | 16-bit TC, 8-bit TC, RTC | — |
| DMAC | 12-channel | 12 channels |
| Event System | 12-channel | — |
| External Interrupts (EIC) | 16 | — |
| Debug Interface | 2-pin Serial Wire Debug (SWD) | — |
| Mounting Type | Surface Mount | Surface Mount (SMD/SMT) |
| MSL Level | 3 (168 hours) | [DATA_NEEDED: MSL rating] |
| RoHS Status | Compliant | Compliant (Green) |
| Lead-Free | Yes | — |
| Functional Safety | FuSa capable | FuSa-capable |
| Active Current (typ.) | 70 uA/MHz | — |
| Family | — | SAM D21J |
| Maximum CPU Frequency | — | 48 MHz |
| Flash Memory | — | 256 KB |
| SRAM | — | 32 KB |
| Supply Voltage (VDD) | — | 1.62 V to 3.63 V |
| Operating Temperature | — | -40C to +125C |
| Timers/Counters | — | [DATA_NEEDED: TC count and TCC count] |