ATMEGA168P-20AU vs ATMEGA328PB-AN Comparison
Detailed side-by-side comparison of ATMEGA168P-20AU by Microchip Technology and ATMEGA328PB-AN 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
ATMEGA168P-20AU - 8-Bit AVR 16KB Flash MCU | Microchip
ATMEGA168P-20AU ✓ ActiveMicrochip Technology
ATMEGA328PB-AN - 8-bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip
ATMEGA328PB-AN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168P-20AU | ATMEGA328PB-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.91 | $1.66 |
| Core Processor | AVR 8-bit RISC | AVR |
| Program Memory Size | 16 KB (8K x 16) Flash | — |
| EEPROM Size | 512 B | — |
| SRAM Size | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| Number of I/O Lines | 23 | — |
| General Purpose Registers | 32 | — |
| Instruction Set | 133 instructions, most single-cycle | — |
| ADC Resolution | 10-bit | — |
| Timer/Counters | 3 (two 8-bit, one 16-bit) with compare modes | — |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | [DATA_NEEDED: operating temperature range] |
| Programming Interface | ISP / ICSP (SPI-based) | ISP / ICSP (SPI) |
| RoHS Status | Compliant (GREEN) | [DATA_NEEDED: rohs status] |
| Supply Current (Active) | [DATA_NEEDED: active supply current] | — |
| Core Size | — | 8-bit |
| Speed | — | 20 MHz |
| Flash Memory | — | 32 KB (16K x 16) |
| EEPROM | — | 1 KB |
| SRAM | — | 2 KB |
| General Purpose I/O | — | 27 |
| Timers/Counters | — | 5 (flexible, with compare modes) |
| USART | — | 2 |
| Packaging | — | Tray |
| Architecture | — | AVR enhanced RISC, picoPower |
| Working Registers | — | 32 |
| Interrupt Sources | — | Internal and external interrupts |
| Supply Voltage Range | — | [DATA_NEEDED: supply voltage range] |