ATMEGA168-20MQR vs ATMEGA168-20MU Comparison
Detailed side-by-side comparison of ATMEGA168-20MQR by Microchip Technology and ATMEGA168-20MU 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
ATMEGA168-20MQR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MQR β ActiveMicrochip Technology
ATMEGA168-20MU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MU β ActiveSpecification Comparison
| Parameter | ATMEGA168-20MQR | ATMEGA168-20MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.38 | $0.00 |
| Core Processor | AVR | β |
| Core Size | 8-bit | 8-Bit |
| Speed | 20 MHz | 20MHz |
| Program Memory Size | 16 KB (8K x 16) FLASH | 16KB (8K x 16) Flash |
| EEPROM Size | 512 B | 512B |
| RAM Size | 1 KB SRAM | 1K x 8 |
| Number of I/O | 23 | 23 |
| General Purpose Working Registers | 32 x 8-bit | β |
| Supply Voltage Range | 4.5 V to 5.5 V (at 20 MHz); 2.0 V min per device family | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +85C | 0C to +70C |
| ADC Resolution | 10-bit | 10-bit |
| Number of ADC Channels | 8 (6 external + ADC6/ADC7 on QFN) | β |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | SPI, UART/USART, TWI (I2C-compatible) | I2C (TWI), SPI, UART/USART |
| Timers | 2 x 8-bit, 1 x 16-bit | 2 x 8-bit, 1 x 16-bit |
| Oscillator Type | Internal (calibrated RC) plus external crystal | Internal |
| Package | 32-VQFN (5x5 mm) Exposed Pad | 32-VQFN (5x5 mm) exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Programming | ISP, ICD, ICSP (2 I/O pins + reset) | ISP, In-Circuit Serial Programming (ICSP) |
| Core | β | AVR 8-bit RISC |
| ADC Channels | β | 8 (TQFP and QFN/MLF packages) |
| Debug | β | debugWIRE on-chip debug |