ATMEGA328-AUR vs ATMEGA168A-AUR Comparison
Detailed side-by-side comparison of ATMEGA328-AUR by Microchip Technology and ATMEGA168A-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 | ATMEGA328-AUR | ATMEGA168A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR 8-bit RISC | AVR |
| Core Size | 8-bit | 8-Bit |
| Speed | 20 MHz | 20 MHz |
| Flash Memory | 32 KB (16K x 16) | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| Number of I/O | 23 | 23 |
| 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) | — |
| Supply Voltage Range | 2.5 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +85C | — |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | — |
| Programmability | In-System Programmable (ISP), read-while-write | — |
| RoHS Status | Compliant | — |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| EEPROM Size | — | 512 B |
| RAM Size | — | 1 KB |
| 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 |
| Programming | — | In-System Programmable (ISP) FLASH with read-while-write |
| Lifecycle Stage | — | Active |