ATMEGA328P-MUR vs ATMEGA168-20MQR Comparison
Detailed side-by-side comparison of ATMEGA328P-MUR by Microchip Technology and ATMEGA168-20MQR 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
ATMEGA328P-MUR - 8-bit AVR MCU 20MHz 32KB Flash VQFN-32 (Tape & Reel)
ATMEGA328P-MUR ✓ ActiveMicrochip Technology
ATMEGA168-20MQR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MQR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328P-MUR | ATMEGA168-20MQR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | — |
| Maximum Clock Speed | 20 MHz | — |
| 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) | — |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI (master/slave), TWI (I2C-compatible) | — |
| On-chip Oscillator | Internal 8 MHz calibrated, 128 kHz | — |
| Package | 32-pin VQFN (5x5 mm, exposed pad) | 32-VQFN (5x5 mm) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C |
| Programming Interface | ISP, debugWIRE, TPI | — |
| RoHS Status | Compliant | — |
| Core Processor | — | AVR |
| Core Size | — | 8-bit |
| Speed | — | 20 MHz |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| EEPROM Size | — | 512 B |
| RAM Size | — | 1 KB SRAM |
| Number of I/O | — | 23 |
| General Purpose Working Registers | — | 32 x 8-bit |
| Supply Voltage Range | — | 4.5 V to 5.5 V (at 20 MHz); 2.0 V min per device family |
| ADC Resolution | — | 10-bit |
| Number of ADC Channels | — | 8 (6 external + ADC6/ADC7 on QFN) |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | — | SPI, UART/USART, TWI (I2C-compatible) |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Oscillator Type | — | Internal (calibrated RC) plus external crystal |
| Programming | — | ISP, ICD, ICSP (2 I/O pins + reset) |