ATMEGA168-20MU vs ATMEGA168P-20MUR Comparison
Detailed side-by-side comparison of ATMEGA168-20MU by Microchip Technology and ATMEGA168P-20MUR 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
ATMEGA168-20MU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MU ✓ ActiveMicrochip Technology
ATMEGA168P-20MUR - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168P-20MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168-20MU | ATMEGA168P-20MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20MHz | 20 MHz |
| Program Memory Size | 16KB (8K x 16) Flash | — |
| EEPROM Size | 512B | — |
| RAM Size | 1K x 8 | — |
| Number of I/O | 23 | 23 |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 (TQFP and QFN/MLF packages) | 8 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Connectivity | 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 | — |
| Operating Temperature | 0C to +70C | -40C to +85C (Industrial) |
| Package | 32-VQFN (5x5 mm) exposed pad | 32-VQFN (5x5 mm) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Debug | debugWIRE on-chip debug | — |
| Programming | ISP, In-Circuit Serial Programming (ICSP) | ISP (In-System Programming), ICSP |
| Core Processor | — | AVR |
| Flash Memory | — | 16 KB (8K x 16) |
| EEPROM | — | 512 B |
| SRAM | — | 1 KB |
| Communication Interfaces | — | USART, SPI, I2C (TWI) |
| PWM Channels | — | 6 |
| Low-Power Technology | — | picoPower |
| On-Chip Debug | — | debugWIRE |
| RoHS Status | — | Compliant (GREEN) |