ATMEGA168PB-MU vs ATMEGA328-MMHR Comparison
Detailed side-by-side comparison of ATMEGA168PB-MU by Microchip Technology and ATMEGA328-MMHR 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
ATMEGA168PB-MU - 8-bit AVR MCU 16KB Flash 20MHz QFN-32 | Microchip
ATMEGA168PB-MU ✓ ActiveMicrochip Technology
ATMEGA328-MMHR - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA328-MMHR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168PB-MU | ATMEGA328-MMHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.31 | $1.80 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | 8-bit |
| Speed | 20 MHz | 20 MHz |
| Flash Memory | 16 KB (8K x 16) | 32 KB (16K x 16) |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 2 KB |
| General Purpose I/O | 27 | — |
| Working Registers | 32 | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Timers/Counters | 3 flexible timers/counters with compare modes | — |
| ADC Resolution | 10-bit | — |
| Connectivity | USART, SPI, I2C (Two-Wire Interface) | — |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C |
| Package | 32-VFQFN (5x5 mm) with exposed pad | 28-VQFN (4x4 mm) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Technology | picoPower low-power CMOS | — |
| RoHS Status | Compliant (Green package) | Compliant (Green package) |
| Throughput | Approaching 1 MIPS per MHz | — |
| Core | — | AVR 8-bit RISC |
| Number of I/O | — | 23 |
| ADC Channels | — | 6 x 10-bit |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | — | USART, SPI, 2-Wire (I2C) |
| Programming Interface | — | SPI ISP, debugWIRE |
| Sleep Modes | — | Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby |