ATMEGA328PB-MNR vs ATMEGA328P-MNR Comparison
Detailed side-by-side comparison of ATMEGA328PB-MNR by Microchip Technology and ATMEGA328P-MNR 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
ATMEGA328PB-MNR - 20MHz 8-Bit AVR MCU | Microchip Technology
ATMEGA328PB-MNR ✓ ActiveMicrochip Technology
ATMEGA328P-MNR - AVR 8-bit MCU 20MHz 32KB Flash 32-VQFN | Microchip (Tape & Reel)
ATMEGA328P-MNR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328PB-MNR | ATMEGA328P-MNR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Processor Architecture | AVR enhanced RISC | — |
| CPU Width | 8-bit | — |
| Maximum Clock Frequency | 20 MHz | — |
| Program Memory Type | Flash | — |
| Program Memory Size | 32 KB (16K × 16) | — |
| Maximum ISP Flash Memory | 64 KB | — |
| EEPROM Memory | 2 KB | — |
| SRAM | 4 KB | 2 KB |
| General-Purpose I/O Lines | 27 | — |
| General-Purpose Working Registers | 32 | — |
| Flexible Timer/Counters | 2 | — |
| Serial Interfaces | I2C, SPI, UART | — |
| Process Technology | Low-power CMOS | — |
| Low-Power Technology | picoPower | — |
| Package | 32-VFQFN, 5 mm × 5 mm | 32-pin VQFN (5x5 mm) |
| Mounting Type | Surface mount | Surface Mount |
| Operating Temperature | -40°C to +105°C | -40 °C to +105 °C |
| Temperature Grade | Industrial | — |
| RoHS Packaging | Pb-free packaging complies with RoHS | — |
| Operating Supply Voltage | [DATA_NEEDED: operating supply voltage] | — |
| Analog Input Channels | [DATA_NEEDED: analog input channels] | — |
| Core Architecture | — | AVR 8-bit RISC |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| EEPROM | — | 1 KB |
| Maximum CPU Speed | — | 20 MHz |
| Supply Voltage | — | 1.8 V to 5.5 V |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Programmable I/O Lines | — | 23 |
| ADC | — | 6 channels, 10-bit |
| Timers | — | 2x 8-bit, 1x 16-bit |
| PWM Channels | — | 6 |
| Communication Interfaces | — | 1x USART, 1x SPI, 1x TWI (I2C) |
| RoHS Status | — | Compliant |
| Debug Interface | — | debugWIRE |