ATMEGA168PB-AU vs ATMEGA168P-20AU Comparison
Detailed side-by-side comparison of ATMEGA168PB-AU 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
ATMEGA168PB-AU - 8-Bit AVR MCU, 20MHz, 16KB Flash | Microchip
ATMEGA168PB-AU β ActiveMicrochip Technology
ATMEGA168P-20AU - 8-Bit AVR 16KB Flash MCU | Microchip
ATMEGA168P-20AU β ActiveSpecification Comparison
| Parameter | ATMEGA168PB-AU | ATMEGA168P-20AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.27 | $2.91 |
| Core Architecture | AVR 8-bit RISC | β |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Flash Memory | 16 KB (8K x 16) | β |
| EEPROM | 512 B | β |
| SRAM | 1 KB | β |
| General Purpose I/O | 27 lines | β |
| Supply Voltage Range | 1.8 V to 5.5 V | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (industrial) |
| Package | TQFP-32 (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Throughput | Up to 20 MIPS (approx. 1 MIPS per MHz) | β |
| ADC | 10-bit ADC | β |
| Timers | 2 x 8-bit, 1 x 16-bit | β |
| Programming Interface | ISP (SPI), self-programmable flash | ISP / ICSP (SPI-based) |
| Sleep Modes | picoPower, 6 sleep modes | β |
| Working Registers | 32 general-purpose registers | β |
| Functional Safety | FuSa supported variant family | β |
| RoHS Status | Compliant (RoHS, per LCSC listing) | Compliant (GREEN) |
| ECCN | EAR99 | β |
| Core Processor | β | AVR 8-bit RISC |
| Program Memory Size | β | 16 KB (8K x 16) Flash |
| EEPROM Size | β | 512 B |
| SRAM Size | β | 1 KB |
| 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] |