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