ATMEGA328-MUR vs ATMEGA168A-MU Comparison
Detailed side-by-side comparison of ATMEGA328-MUR by Microchip Technology and ATMEGA168A-MU 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-MUR - AVR 8-Bit MCU 32KB 20MHz VQFN-32 | Microchip
ATMEGA328-MUR β ActiveMicrochip Technology
ATMEGA168A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip
ATMEGA168A-MU β ActiveSpecification Comparison
| Parameter | ATMEGA328-MUR | ATMEGA168A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.84 | $1.38 |
| Core Processor | AVR 8-bit RISC | β |
| Core Size | 8-Bit | β |
| Speed | 20 MHz | β |
| Flash Memory Size | 32 KB (16K x 16) | β |
| SRAM Size | 2 KB | β |
| EEPROM Size | 1 KB | β |
| Supply Voltage Range | 2.5 V to 5.5 V (speed dependent) | 2.7 V to 5.5 V |
| Number of I/O | 23 | β |
| ADC Resolution | 10 bit | β |
| ADC Channels | 8 (6 external + 2 extra on QFN) | β |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, debugWIRE | β |
| Communication Interfaces | USART, SPI, I2C (TWI) | β |
| Timers | 2 x 8-bit, 1 x 16-bit | β |
| Instructions | 131 instructions, mostly single-cycle | β |
| Throughput | Up to 20 MIPS at 20 MHz | β |
| Operating Temperature | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range] |
| Package | 32-VQFN (5x5 mm) Exposed Pad | 32-VQFN (5x5 mm) exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix), Green | β |
| Lifecycle Stage | ACTIVE | β |
| Core Architecture | β | 8-bit AVR RISC |
| Flash Memory | β | 16 KB (8K x 16) ISP |
| EEPROM | β | 512 B |
| SRAM | β | 1 KB |
| Maximum Clock Frequency | β | 20 MHz |
| Maximum Throughput | β | 20 MIPS at 20 MHz |
| General Purpose I/O Lines | β | 23 |
| Working Registers | β | 32 x 8-bit general purpose |
| Timer/Counters | β | 3 flexible with compare modes |
| ADC | β | 10-bit, 6-channel (QFN package) |
| Serial Interfaces | β | USART, SPI, 2-wire (I2C/TWI) |
| Lifecycle Status | β | Active |
| Data Bus Width | β | 8 bit |
| Instruction Set | β | 133 instructions, mostly single-cycle |