ATSAMD20E16B-MU vs ATSAMD20E18A-MU Comparison
Detailed side-by-side comparison of ATSAMD20E16B-MU by Microchip Technology and ATSAMD20E18A-MU 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
ATSAMD20E16B-MU - 48MHz Cortex-M0+ MCU 64KB Flash | Microchip
ATSAMD20E16B-MU β ActiveMicrochip Technology
ATSAMD20E18A-MU - 48MHz ARM Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD20E18A-MU β ActiveSpecification Comparison
| Parameter | ATSAMD20E16B-MU | ATSAMD20E18A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.95 | $2.75 |
| Core Architecture | ARM Cortex-M0+ | ARM 32-bit |
| Maximum CPU Clock | 48 MHz | β |
| Program Memory (Flash) | 64 KB (64K x 8) | 256 KB (256K x 8) |
| SRAM | 8 KB | 32 KB (32K x 8) |
| Package | 32-pin VQFN (5x5 mm) with exposed pad | 32-VQFN (5x5 mm) with Exposed Pad |
| Operating Voltage (VDD) | 1.62 V to 3.63 V | β |
| I/O Pins | 26 (approx., datasheet-confirm per variant) | β |
| SERCOM Instances | 4 (configurable as UART/SPI/I2C) | β |
| ADC | 12-bit, up to 20 channels | β |
| Analog Comparators | 2 | β |
| Brown-Out Detectors | 2 | β |
| Timers/Counters | 6 | β |
| RTC | Yes, 32 kHz domain | β |
| Watchdog Timer | Yes | β |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | β |
| MSL Level | 3 (per JEDEC J-STD-020, typical for VQFN) | MSL3 (per Microchip package profile) |
| Core | β | ARM Cortex-M0+ |
| Instruction Set | β | Thumb/Thumb-2 |
| Maximum CPU Frequency | β | 48 MHz |
| Supply Voltage (Vdd) | β | 1.62 V to 3.63 V |
| I/O Voltage | β | 3.3 V (typ) |
| Performance | β | 2.14 CoreMark/MHz |
| Peripheral Touch Controller (PTC) | β | Yes |
| SERCOM Modules | β | Up to 6 (I2C/SPI/UART configurable) |
| ADC / DAC | β | 12-bit ADC / 10-bit DAC (per SAM D20 family) |
| USB | β | Full-Speed USB 2.0 Device (per SAM D20 family) |
| Lead-Free / RoHS | β | Yes / Compliant (per Microchip product page) |
| Moisture Sensitivity Floor Life | β | 168 hours |