ATSAMD21E18A-AFT vs ATSAMD21E15B-AFT Comparison
Detailed side-by-side comparison of ATSAMD21E18A-AFT by Microchip Technology and ATSAMD21E15B-AFT 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
ATSAMD21E18A-AFT - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21E18A-AFT β ActiveMicrochip Technology
ATSAMD21E15B-AFT - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21E15B-AFT β ActiveSpecification Comparison
| Parameter | ATSAMD21E18A-AFT | ATSAMD21E15B-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.72 | $1.96 |
| Core | ARM Cortex-M0+ (32-bit) | β |
| Series | SAM D21E (Functional Safety / FuSa) | β |
| Maximum CPU Clock | 48 MHz | β |
| CoreMark Performance | 2.46 CoreMark/MHz | β |
| Flash Memory | 256 KB (256K x 8) | β |
| SRAM | 32 KB | β |
| Operating Voltage | 1.62 V to 3.63 V | β |
| Operating Temperature | -40 C to +125 C | β |
| Package | 32-TQFP (7x7 mm) | 32-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount (Tape & Reel) | Surface Mount |
| USB | Full-Speed USB 2.0 Device with integrated transceiver | β |
| Serial Interfaces (SERCOM) | Up to 6 (configurable UART/SPI/I2C) | β |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 14 channels |
| Analog Comparators | 2 | β |
| Timers | 16-bit TC modules and TCC for PWM | β |
| Touch Controller | Peripheral Touch Controller (PTC) - capacitive touch | β |
| Event System | 12-channel | β |
| MSL Level | 3 | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant |
| Core Architecture | β | ARM Cortex-M0+ |
| Core Bit Width | β | 32-bit |
| Maximum Clock Frequency | β | 48 MHz |
| Program Memory (Flash) | β | 32 KB (32K x 8) |
| Data Memory (SRAM) | β | 4 KB |
| Operating Voltage Range | β | 1.62 V to 3.63 V |
| I/O Pins | β | 26 (max) |
| DAC | β | 10-bit, 1 channel |
| Timer/Counters | β | TC: 3 x 16-bit, TCC: 2 x 16-bit |
| Communication Interfaces | β | 6 x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device, I2S |
| Functional Safety | β | IEC 60730 Class B (FuSa variant) |
| Operating Temperature Range | β | -40 C to +125 C |