ATSAMC21E16A-AUT vs ATSAMC21E18A-AUT Comparison
Detailed side-by-side comparison of ATSAMC21E16A-AUT by Microchip Technology and ATSAMC21E18A-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
ATSAMC21E16A-AUT - 48MHz Cortex-M0+ MCU 64KB Flash | Microchip
ATSAMC21E16A-AUT ✓ ActiveMicrochip Technology
ATSAMC21E18A-AUT - 48MHz Cortex-M0+ MCU 256KB Flash TQFP-32 | Microchip
ATSAMC21E18A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21E16A-AUT | ATSAMC21E18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.78 | $3.07 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | 48 MHz | — |
| Program Memory (Flash) | 64 KB | — |
| SRAM | 8 KB | 32 KB |
| Auxiliary Flash (EEPROM emulation) | 2 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| I/O Tolerance | 5 V tolerant | 5 V tolerant |
| Number of I/O Pins | 26 | — |
| Package | 32-pin TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C (AUT = automotive/extended grade) |
| ADC | 12-bit, up to 10 channels | 12-bit, up to 16 channels |
| Communication Peripherals | CAN-FD, USB 2.0 FS, 6x SERCOM (UART/SPI/I2C) | — |
| Timers | 16-bit TCC, TC, and RTC | — |
| Hardware Multiplier | Single-cycle (32-bit result) | Single-cycle |
| Memory Protection Unit (MPU) | Yes | Yes |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 | [DATA_NEEDED: MSL rating] |
| RoHS Status | Compliant (per Microchip product page) | Compliant (Green, lead-free per Mouser listing) |
| Maximum CPU Clock | — | 48 MHz |
| Program Flash | — | 256 KB (256K x 8) |
| EEPROM Emulation Flash (auxiliary) | — | 8 KB independent self-programmable |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| SERCOM Modules | — | Up to 6 (configurable USART/I2C/SPI) |
| CAN-FD Controller | — | Yes |
| Micro Trace Buffer | — | Yes |