ATMEGA164A-AU vs ATMEGA4809-AUR Comparison
Detailed side-by-side comparison of ATMEGA164A-AU by Microchip Technology and ATMEGA4809-AUR 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
ATMEGA164A-AU - 8-bit AVR MCU, 16KB Flash, 20MHz, 44-TQFP
ATMEGA164A-AU ✓ ActiveMicrochip Technology
ATMEGA4809-AUR - 8-bit AVR 20MHz 48KB Flash MCU 48-TQFP
ATMEGA4809-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164A-AU | ATMEGA4809-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.65 | $1.74 |
| Core Architecture | AVR 8-bit RISC | — |
| Program Memory (Flash) | 16 KB (8K x 16) | 48 KB (24K x 16) |
| EEPROM | 512 B | 256 Bytes |
| SRAM | 1 KB | 6 KB |
| Maximum CPU Speed | 20 MHz (20 MIPS) | — |
| Supply Voltage | 2.7 V to 5.5 V (4.5V-5.5V at 20MHz) | — |
| General Purpose I/O | 32 | — |
| ADC | 8-channel, 10-bit | 16-channel x 10-bit |
| Timers/Counters | Two 8-bit, One 16-bit | — |
| PWM Channels | 6 | — |
| Communication Interfaces | 2x USART, SPI, I2C (TWI) | 4 USART, I2C, SPI |
| Operating Temperature | -40C to +85C (industrial) | — |
| Package | 44-TQFP (10x10 mm) | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Maximum CPU Clock | — | 20 MHz |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| GPIO Count | — | Up to 41 (on 48-pin package) |
| Timers | — | 5 |
| Debug Interface | — | UPDI (single-wire) |
| Operating Temperature Range | — | -40 C to +85 C (industrial) |