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