ATMEGA328P-MU vs ATMEGA168-20MQ Comparison
Detailed side-by-side comparison of ATMEGA328P-MU by Microchip Technology and ATMEGA168-20MQ by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | ATMEGA328P-MU | ATMEGA168-20MQ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | NRND | 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 | 1 KB |
| EEPROM | 1 KB | 512 B |
| 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) | 8-channel 10-bit (on 32-pad packages) |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI (master/slave), TWI (I2C-compatible) | USART, SPI, I2C (TWI) |
| On-chip Oscillator | Internal 8 MHz calibrated, 128 kHz | — |
| Package | 32-pin VQFN (5x5 mm, exposed pad) | 32-VQFN (5x5 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | [DATA_NEEDED: operating temperature range of Q suffix] |
| Programming Interface | ISP, debugWIRE, TPI | — |
| RoHS Status | Compliant | Compliant (green package) |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Flash Memory | — | 16 KB (8K x 16) |
| General Purpose I/O | — | 23 |
| Working Registers | — | 32 |
| Supply Voltage (family) | — | 1.8 V to 5.5 V |
| Supply Voltage (20 MHz speed grade) | — | 4.5 V to 5.5 V |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Debug | — | debugWIRE on-chip debug system |
| Instructions | — | 131, most single-clock cycle |