ATMEGA168A-MUR vs ATMEGA328P-MU Comparison
Detailed side-by-side comparison of ATMEGA168A-MUR by Microchip Technology and ATMEGA328P-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
ATMEGA168A-MUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-MUR NrndSpecification Comparison
| Parameter | ATMEGA168A-MUR | ATMEGA328P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | NRND | NRND |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $2.85 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Maximum Clock Speed | 20 MHz | 20 MHz |
| Program Memory Size | 16 KB (8K x 16) Flash | — |
| EEPROM Size | 512 B | — |
| SRAM Size | 1 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C (industrial) |
| Number of I/O Lines | 23 | — |
| General Purpose Working Registers | 32 | — |
| Instruction Set | 133 powerful instructions, most single clock cycle | — |
| Connectivity | I2C, SPI, UART/USART | — |
| Timers/Counters | Three flexible timer/counters with compare modes | 2 x 8-bit, 1 x 16-bit |
| ADC Resolution | 10-bit | — |
| Package | 32-VQFN Exposed Pad (5x5 mm) | 32-pin VQFN (5x5 mm, exposed pad) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Lifecycle Status | NRND (Not Recommended for New Designs) | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| MSL Level | [DATA_NEEDED: MSL level] | — |
| Core Architecture | — | AVR 8-bit RISC |
| Instruction Throughput | — | 20 MIPS |
| Flash Program Memory | — | 32 KB (16 K x 16) |
| SRAM | — | 2 KB |
| EEPROM | — | 1 KB |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| General-Purpose I/O | — | 23 lines |
| ADC | — | 10-bit, 8 channels (6 + 2 dedicated QFN/VFP) |
| Communication Interfaces | — | USART, SPI (master/slave), TWI (I2C-compatible) |
| On-chip Oscillator | — | Internal 8 MHz calibrated, 128 kHz |
| Programming Interface | — | ISP, debugWIRE, TPI |