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