ATSAMD21J16B-AFT vs ATSAMD21J18A-AFT Comparison
Detailed side-by-side comparison of ATSAMD21J16B-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
ATSAMD21J16B-AFT - 64KB Flash ARM Cortex-M0+ MCU | Microchip
ATSAMD21J16B-AFT ✓ ActiveMicrochip Technology
ATSAMD21J18A-AFT - 32-bit Cortex-M0+ MCU, 256KB Flash, 64-TQFP | Microchip
ATSAMD21J18A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J16B-AFT | ATSAMD21J18A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.55 | $2.71 |
| Core | ARM Cortex-M0+ (32-bit, single core) | ARM Cortex-M0+ (32-bit) |
| CPU Clock Speed | 48 MHz | — |
| Program Memory (Flash) | 64 KB (64K x 8) | — |
| SRAM | 8 KB | 32 KB |
| Package | 64-TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Operating Voltage | 1.62 V to 3.63 V | — |
| Typical Operating Voltage | 3.3 V | — |
| Number of I/O | 52 | — |
| Operating Temperature Range | -40C to +125C | — |
| Mounting Type | Surface Mount | Surface Mount (SMD/SMT) |
| Packaging | Tape & Reel | — |
| MSL Level | [DATA_NEEDED: MSL Level] | [DATA_NEEDED: MSL rating] |
| RoHS Status | Compliant | Compliant (Green) |
| Lead-Free | Yes | — |
| ADC | 12-bit, 1 MSPS, up to 20 channels | 12-bit, up to 20 channels, 1 MSPS |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| Comparators | 2 analog comparators | — |
| Communication Interfaces | 6 SERCOM (UART/SPI/I2C), USB 2.0 FS Device/Host, I2S | — |
| DMA Channels | 12-channel DMAC + 12-channel Event System | — |
| Debug Interface | Two-pin Serial Wire Debug (SWD) | — |
| Family | — | SAM D21J |
| Maximum CPU Frequency | — | 48 MHz |
| Flash Memory | — | 256 KB |
| Supply Voltage (VDD) | — | 1.62 V to 3.63 V |
| Operating Temperature | — | -40C to +125C |
| 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 |