ATMEGA328P-MUR vs ATMEGA328PB-MNR Comparison
Detailed side-by-side comparison of ATMEGA328P-MUR by Microchip Technology and ATMEGA328PB-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
ATMEGA328P-MUR - 8-bit AVR MCU 20MHz 32KB Flash VQFN-32 (Tape & Reel)
ATMEGA328P-MUR ✓ ActiveMicrochip Technology
ATMEGA328PB-MNR - 20MHz 8-Bit AVR MCU | Microchip Technology
ATMEGA328PB-MNR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328P-MUR | ATMEGA328PB-MNR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | — |
| Maximum Clock Speed | 20 MHz | — |
| Instruction Throughput | 20 MIPS | — |
| Flash Program Memory | 32 KB (16 K x 16) | — |
| SRAM | 2 KB | 4 KB |
| EEPROM | 1 KB | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| General-Purpose I/O | 23 lines | — |
| ADC | 10-bit, 8 channels (6 + 2 dedicated QFN/VFP) | — |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI (master/slave), TWI (I2C-compatible) | — |
| On-chip Oscillator | Internal 8 MHz calibrated, 128 kHz | — |
| Package | 32-pin VQFN (5x5 mm, exposed pad) | 32-VFQFN, 5 mm × 5 mm |
| Mounting Type | Surface Mount | Surface mount |
| Operating Temperature | -40 C to +85 C (industrial) | -40°C to +105°C |
| Programming Interface | ISP, debugWIRE, TPI | — |
| RoHS Status | Compliant | — |
| 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 |
| 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 |
| 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] |