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