ATMEGA809-AF vs ATMEGA4809-AF Comparison
Detailed side-by-side comparison of ATMEGA809-AF by Microchip Technology and ATMEGA4809-AF 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
ATMEGA809-AF - 8-bit AVR MCU 20MHz 8KB Flash 48-TQFP | Microchip
ATMEGA809-AF β ActiveMicrochip Technology
ATMEGA4809-AF - 8-bit AVR MCU 20MHz 48KB Flash | Microchip
ATMEGA4809-AF β ActiveSpecification Comparison
| Parameter | ATMEGA809-AF | ATMEGA4809-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $1.92 |
| Core Processor | AVR (8-bit, hardware multiplier) | β |
| Core Size | 8-bit | β |
| Maximum Clock Frequency | 20 MHz | β |
| Flash Memory | 8 KB (8K x 8) | 48 KB (24K x 16) |
| SRAM | 1 KB | 6 KB |
| EEPROM | 256 bytes | 256 bytes |
| Supply Voltage Range | 1.8 V to 5.5 V | β |
| Number of I/O | [DATA_NEEDED: GPIO count] | β |
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Series | megaAVR 0 (Functional Safety / FuSa supported) | β |
| Programming Interface | UPDI | β |
| Peripherals | Event System, PTC (capacitive touch), CRC-SCAN, WDT | β |
| Communication Interfaces | USART, SPI, TWI (I2C) | β |
| ADC Resolution | 10-bit | 10-bit |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +105C (industrial) |
| RoHS Status | Compliant | β |
| Core | β | 8-bit AVR RISC with hardware multiplier |
| Core Speed | β | 20 MHz max |
| Operating Voltage Range | β | 1.8 V to 5.5 V |
| Supply Voltage (typical) | β | 3.3 V / 5 V |
| Number of I/Os | β | 43 programmable I/O pins |
| ADC Channels | β | 16 single-ended |
| UART Interfaces | β | 3 (USART) |
| SPI Interfaces | β | 2 |
| I2C Interfaces | β | 2 (TWI) |
| Timers | β | TCA x2, TCB x4, TCD x1 |
| Core Independent Peripherals (CIP) | β | Yes (CCL, event system, WDT, BOD) |
| Programming/Debug Interface | β | UPDI (single-wire) |
| Functional Safety Support | β | FuSa package support |