ATSAMD21G16B-AU vs ATSAMD21G18A-AU Comparison
Detailed side-by-side comparison of ATSAMD21G16B-AU by Microchip Technology and ATSAMD21G18A-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
ATSAMD21G16B-AU - 48MHz ARM M0+ MCU 64KB Flash 48-TQFP | Microchip
ATSAMD21G16B-AU β ActiveMicrochip Technology
ATSAMD21G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21G16B-AU | ATSAMD21G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.52 | $1.74 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | β |
| Family | SAM D21G | β |
| Maximum CPU Frequency | 48 MHz | β |
| CoreMark/MHz | 2.46 | 2.46 |
| Flash Memory | 64 KB (in-system self-programmable) | 256 KB |
| SRAM | 8 KB | 32 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | β |
| I/O Pins | 38 (maximum) | β |
| External Interrupts (EIC) | 16 | β |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | Serial Wire Debug (SWD), 2-pin |
| Package | 48-pin TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C (industrial) |
| Hardware Multiplier | Single-cycle 32-bit | β |
| DFLL48M | 48 MHz Digital Frequency Locked Loop | β |
| RoHS Status | Compliant (Green) | Compliant (green package) |
| MSL Level | MSL3 (per JEDEC J-STD-020) | β |
| Carrier Type | Tray | β |
| Brown-Out Detection | Yes, fuse-configurable | β |
| Core | β | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | β | 48 MHz |
| Supply Voltage Range | β | 1.62 V to 3.63 V |
| Mounting Type | β | Surface Mount |
| DMAC Channels | β | 12 |
| Event System Channels | β | 12 |
| Timer/Counters | β | Up to 5 x 16-bit TC |
| SERCOM Interfaces | β | Configurable as USART / SPI / I2C |
| ADC | β | 12-bit |
| DAC | β | Yes |
| Functional Safety | β | FuSa-ready |