ATMEGA328PB-AU vs ATMEGA168PA-ANR Comparison
Detailed side-by-side comparison of ATMEGA328PB-AU by Microchip Technology and ATMEGA168PA-ANR 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-AU - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA328PB-AU β ActiveMicrochip Technology
ATMEGA168PA-ANR - 16KB AVR 8-Bit MCU 20MHz | Microchip
ATMEGA168PA-ANR β ActiveSpecification Comparison
| Parameter | ATMEGA328PB-AU | ATMEGA168PA-ANR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.12 | $1.44 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 20 MHz | β |
| Flash Memory | 32 KB (16K x 16) | β |
| EEPROM | 2 KB | 512 bytes |
| SRAM | 4 KB | 1 KB |
| General Purpose I/O | 27 | β |
| Connectivity | I2C x2, SPI x2, USART x2 | β |
| ADC Resolution | 10-bit | β |
| Number of ADC Channels | 7 | β |
| Package | 32-TQFP (7 x 7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | β |
| Technology | picoPower, CMOS | β |
| Safety Feature | Functional Safety (FuSa) | β |
| Programming | In-System Programmable (ISP), read-while-write | β |
| Instruction Throughput | Up to 20 MIPS at 20 MHz | β |
| Core Architecture | β | 8-bit AVR RISC |
| Program Memory Size | β | 16 KB (8K x 16) Flash |
| Flash Endurance | β | 10,000 write/erase cycles (typical) |
| Maximum CPU Speed | β | 20 MHz |
| Throughput | β | Up to 20 MIPS at 20 MHz |
| Supply Voltage Range | β | 1.8 V to 5.5 V |
| Operating Temperature Range | β | -40 C to +105 C |
| General Purpose I/O Lines | β | 23 |
| General Purpose Working Registers | β | 32 |
| ADC | β | 8-channel 10-bit successive approximation |
| Timer/Counters | β | 3 flexible timer/counters with compare modes |
| Serial Interfaces | β | USART, SPI, Two-Wire (I2C) |
| PWM Channels | β | 6 |
| On-Chip Debug | β | debugWIRE |
| Brown-Out Detection | β | Yes, programmable |
| Watchdog Timer | β | Yes, with separate on-chip oscillator |
| RoHS Status | β | Compliant |