ATMEGA328P-MU vs ATMEGA168-20MI Comparison
Detailed side-by-side comparison of ATMEGA328P-MU by Microchip Technology and ATMEGA168-20MI 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
ATMEGA168-20MI - 8-bit AVR MCU 20MHz 16KB Flash QFN-32 | Microchip
ATMEGA168-20MI β ActiveSpecification Comparison
| Parameter | ATMEGA328P-MU | ATMEGA168-20MI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Nrnd | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.28 | $2.92 |
| Core Processor | AVR 8-bit RISC | β |
| Core Size | 8-bit | β |
| Speed | 20 MHz | β |
| Program Memory Size | 32 KB (16K x 16) Flash | 16 KB Flash |
| EEPROM Size | 1 KB | 512 B |
| RAM Size | 2 KB | β |
| Number of I/O | 23 | β |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 (6 external + 2 multiplexed) | 8 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | β |
| Communication Interfaces | USART, SPI, I2C (TWI) | I2C, SPI, UART/USART |
| Timers | 2 x 8-bit, 1 x 16-bit | Three timer/counters with compare modes and PWM |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial) |
| Package | 32-VQFN (5x5 mm) | 32-pad VQFN / MLF (HVQCCN), square, no-lead |
| Mounting Type | Surface Mount | Surface Mount |
| Programming | ISP, debugWIRE | ISP (SPI), self-programming Flash with boot loader support |
| Oscillator Type | Internal | β |
| Core | β | AVR 8-bit RISC |
| Maximum Clock Frequency | β | 20 MHz |
| SRAM Size | β | 1 KB |
| I/O Pins | β | 23 general purpose I/O lines |
| On-Chip Debug | β | DebugWIRE |
| RoHS Status | β | Compliant (GREEN) |