ATMEGA168-15MD vs ATMEGA328P-MU Comparison
Detailed side-by-side comparison of ATMEGA168-15MD by Microchip Technology and ATMEGA328P-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
ATMEGA168-15MD - 8-bit AVR MCU 16KB Flash 32-VQFN | Microchip
ATMEGA168-15MD ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168-15MD | ATMEGA328P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | NRND |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.29 | $2.85 |
| Core | AVR 8-bit RISC | — |
| Data Bus Width | 8 bit | — |
| Program Memory Size | 16 KB (8K x 16) FLASH | — |
| Program Memory Type | ISP FLASH (read-while-write) | — |
| SRAM Size | 1 KB | — |
| EEPROM Size | 512 B | — |
| Maximum Clock Frequency | 16 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Number of I/O Lines | 23 | — |
| Instructions | 133 (most single-cycle) | — |
| Working Registers | 32 general purpose | — |
| ADC | 8-channel 10-bit | 10-bit, 8 channels (6 + 2 dedicated QFN/VFP) |
| Communication Interfaces | USART, SPI, 2-wire serial (I2C-compatible) | USART, SPI (master/slave), TWI (I2C-compatible) |
| Timers | Two 8-bit, one 16-bit with PWM | — |
| Package | 32-VQFN exposed pad, 5x5 mm | 32-pin VQFN (5x5 mm, exposed pad) |
| Mounting Type | Surface Mount | Surface Mount |
| Programming Interface | ICSP via SPI (MPLAB SNAP compatible) | ISP, debugWIRE, TPI |
| Life Cycle Stage | 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 |
| EEPROM | — | 1 KB |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| General-Purpose I/O | — | 23 lines |
| Timers/Counters | — | 2 x 8-bit, 1 x 16-bit |
| On-chip Oscillator | — | Internal 8 MHz calibrated, 128 kHz |
| Operating Temperature | — | -40 C to +85 C (industrial) |
| RoHS Status | — | Compliant |