ATMEGA328P-15MZ vs ATMEGA328-MU Comparison
Detailed side-by-side comparison of ATMEGA328P-15MZ by Microchip Technology and ATMEGA328-MU 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-15MZ 32KB 8-Bit AVR MCU | Microchip Technology
ATMEGA328P-15MZ ✓ ActiveMicrochip Technology
ATMEGA328-MU - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA328-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328P-15MZ | ATMEGA328-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit AVR RISC microcontroller | — |
| Program Memory | 32 KB in-system programmable flash | — |
| EEPROM | 1024 bytes | 1 KB |
| SRAM | 2 KB | 2 KB |
| General-Purpose I/O Lines | 23 lines | — |
| General-Purpose Working Registers | 32 registers | — |
| Instruction Set | 131 instructions | 131 instructions, mostly single-cycle |
| Execution Model | Mostly single-clock-cycle execution | — |
| Timer/Counter Blocks | 3 blocks | — |
| Core Architecture | AVR RISC | AVR 8-bit RISC |
| Clock Speed | [DATA_NEEDED: verified maximum clock frequency for ATMEGA328P-15MZ] | — |
| Operating Supply Voltage | [DATA_NEEDED: verified operating supply-voltage range] | — |
| Package | 32-pin QFN with exposed pad, 10 mm x 10 mm | 32-pin VQFN (5x5 mm) with EP |
| Package Pitch | 0.80 mm | — |
| Package Height | 1.00 mm maximum | — |
| Programming | In-system programmable | — |
| Serial Interfaces | I2C, SPI, UART/USART | — |
| Lifecycle Status | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | — |
| REACH Status | [DATA_NEEDED: REACH compliance status] | — |
| Flash Program Memory | — | 32 KB (16K x 16) |
| Maximum CPU Speed | — | 20 MHz (20 MIPS) |
| Supply Voltage | — | 1.8 V to 5.5 V |
| Operating Temperature (Industrial) | — | -40C to +85C |
| I/O Pins | — | 23 general-purpose |
| ADC | — | 10-bit, 8 channels, up to 15 kSPS |
| Timers | — | 2 x 8-bit + 1 x 16-bit |
| Communication Interfaces | — | 1x USART, 1x SPI, 1x I2C (TWI) |
| Mounting Type | — | Surface Mount |
| On-chip Debug | — | debugWIRE |
| Power-down Mode Current | — | < 1 uA (typical, datasheet) |
| MSL Level | — | MSL3 (per JEDEC J-STD-020, typical for VQFN) |