ATMEGA168A-AUR vs ATMEGA328-AUR Comparison
Detailed side-by-side comparison of ATMEGA168A-AUR by Microchip Technology and ATMEGA328-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
ATMEGA328-AUR - 8-bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip
ATMEGA328-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168A-AUR | ATMEGA328-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.45 | $1.65 |
| Core Processor | AVR | AVR 8-bit RISC |
| Core Size | 8-Bit | 8-bit |
| Speed | 20 MHz | 20 MHz |
| Program Memory Size | 16 KB (8K x 16) FLASH | — |
| EEPROM Size | 512 B | — |
| RAM Size | 1 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.5 V to 5.5 V |
| Number of I/O | 23 | 23 |
| Connectivity | I2C, SPI, UART/USART | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Timers | Three flexible timer/counters with compare modes | — |
| Data Converters | 10-bit ADC | — |
| Instructions | 133 powerful instructions, most single-cycle | — |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Programming | In-System Programmable (ISP) FLASH with read-while-write | — |
| Lifecycle Stage | Active | — |
| Flash Memory | — | 32 KB (16K x 16) |
| EEPROM | — | 1 KB |
| SRAM | — | 2 KB |
| ADC Resolution | — | 10-bit |
| Number of ADC Channels | — | 8 (TQFP-32) |
| Timers/Counters | — | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Operating Temperature | — | -40C to +85C |
| Packaging | — | Tape & Reel (R suffix) |
| Programmability | — | In-System Programmable (ISP), read-while-write |
| RoHS Status | — | Compliant |