ATMEGA4809-AFR vs ATMEGA809-AU Comparison
Detailed side-by-side comparison of ATMEGA4809-AFR by Microchip Technology and ATMEGA809-AU 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
ATMEGA4809-AFR - 8-bit AVR MCU 20MHz 48KB Flash TQFP-48 | Microchip
ATMEGA4809-AFR β ActiveMicrochip Technology
ATMEGA809-AU - 8-Bit AVR MCU 20MHz 8KB Flash | Microchip
ATMEGA809-AU β ActiveSpecification Comparison
| Parameter | ATMEGA4809-AFR | ATMEGA809-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.36 | $0.98 |
| Core | AVR 8-bit | β |
| Core Size | 8-bit | 8-Bit |
| Series | megaAVR 0 | megaAVR 0, Functional Safety (FuSa) |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Program Memory Size | 48 KB (48K x 8) Flash | β |
| SRAM Size | 6 KB | β |
| EEPROM Size | 256 B | β |
| Supply Voltage | 1.8 V to 5.5 V (3.3V/5V operation) | [DATA_NEEDED: Supply voltage range] |
| Data Bus Width | 8 bit | β |
| Programmability | UPDI (Unified Program and Debug Interface) | β |
| Peripheral Features | Core Independent Peripherals (CIP), 10-bit ADC, event system, Peripheral Touch Controller | β |
| Communication Interfaces | UART, SPI, I2C/TWI | β |
| Package / Case | TQFP-48 (7x7 mm) | β |
| Mounting Style | SMD/SMT | β |
| Operating Temperature | -40C to +105C | [DATA_NEEDED: Operating temperature range] |
| Packaging | Tape & Reel (R suffix) | β |
| Functional Safety | FuSa variant per DigiKey listing | β |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | β |
| Thermal Resistance (theta_JA) | [DATA_NEEDED: theta_JA] | β |
| RoHS Status | Compliant | Compliant |
| Core Processor | β | AVR (8-bit) |
| Flash Memory | β | 8 KB (8K x 8) |
| SRAM | β | 1 KB |
| EEPROM | β | 256 bytes |
| Connectivity | β | I2C, SPI, UART/USART |
| Peripherals | β | Brown-out Detect/Reset, Power-on Reset, Event System |
| Number of I/O | β | [DATA_NEEDED: Number of I/O pins] |
| Package | β | 48-TQFP (7x7 mm) |
| Mounting Type | β | Surface Mount |
| Data Converter | β | [DATA_NEEDED: ADC resolution and channels] |
| Program Memory Type | β | FLASH |
| Hardware Multiplier | β | Yes |