ATSAMC21J16A-ANT vs ATSAMC20J18A-AUT Comparison
Detailed side-by-side comparison of ATSAMC21J16A-ANT by Microchip Technology and ATSAMC20J18A-AUT 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
ATSAMC21J16A-ANT - 48MHz Cortex-M0+ 64KB Flash 5V MCU | Microchip
ATSAMC21J16A-ANT ✓ ActiveMicrochip Technology
ATSAMC20J18A-AUT - 256KB Flash Cortex-M0+ MCU | Microchip
ATSAMC20J18A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21J16A-ANT | ATSAMC20J18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.31 | $3.10 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit, single-core) |
| Maximum Clock Frequency | 48 MHz | — |
| Flash Memory | 64 KB (64K x 8) | — |
| SRAM | 8 KB | 32 KB |
| Supply Voltage (VDDIN) | 2.7 V to 5.5 V | — |
| I/O Voltage (VDDIO) | 1.62 V to 5.5 V (independent of VDDIN) | — |
| Operating Temperature | -40 °C to +105 °C (industrial) | — |
| Package | 64-pin TQFP (10x10 mm, 0.5 mm pitch) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 1 Msps, [DATA_NEEDED: channel count from datasheet] | 12-bit, up to 1 Msps |
| DAC | 12-bit, 2 channels (per family datasheet) | — |
| CAN-FD | 1 controller | — |
| SERCOM | 6 configurable (UART/SPI/I2C) | Up to 6 configurable serial interfaces |
| PTC (Touch Controller) | Yes | — |
| DMA | 4 channels | — |
| MPU | Yes | — |
| Functional Safety (FuSa) | Supported | — |
| RoHS Status | Compliant (Green, Pb-free) | Compliant (Green) |
| MSL Level | [DATA_NEEDED: MSL level from datasheet] | 3 |
| Ordering Code Suffix | -ANT = 64-TQFP, T&R | — |
| Maximum Clock Speed | — | 48 MHz |
| Program Memory (Flash) | — | 256 KB (256K x 8) |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| I/O Tolerance | — | 5 V tolerant |
| GPIO Count | — | 52 (on 64-pin TQFP) |
| Analog Comparators | — | 2 |
| PTC (Touch Channels) | — | Up to 24 |
| CAN | — | CAN-FD controller |
| USB | — | Full-Speed USB Device |
| Operating Temperature (Industrial) | — | -40 C to +85 C |
| Operating Temperature (Automotive) | — | -40 C to +125 C (AEC-Q100 grades available in family) |