ATMEGA168A-AU vs ATMEGA168PB-AU Comparison
Detailed side-by-side comparison of ATMEGA168A-AU by Microchip Technology and ATMEGA168PB-AU 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
ATMEGA168A-AU - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-AU ✓ ActiveMicrochip Technology
ATMEGA168PB-AU - 8-Bit AVR MCU, 20MHz, 16KB Flash | Microchip
ATMEGA168PB-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168A-AU | ATMEGA168PB-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.42 | $1.27 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Program Memory Size | 16 KB (8K x 16) Flash | — |
| Program Memory Type | Flash (ISP, read-while-write) | — |
| EEPROM Size | 512 B | — |
| SRAM Size | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| Number of I/O Lines | 23 | — |
| General Purpose Registers | 32 | — |
| Instruction Set | 131 instructions, most single-cycle | — |
| Timers/Counters | 3 (two 8-bit, one 16-bit) with compare modes | — |
| Serial Interfaces | USART, SPI, Two-Wire (I2C) | — |
| ADC Resolution | 10-bit | — |
| Package | 32-TQFP (7x7 mm) | TQFP-32 (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Supply Current (Active) | [DATA_NEEDED: active supply current] | — |
| Sleep Modes | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) | picoPower, 6 sleep modes |
| RoHS Status | Compliant | Compliant (RoHS, per LCSC listing) |
| Lifecycle Stage | Active | — |
| Flash Memory | — | 16 KB (8K x 16) |
| EEPROM | — | 512 B |
| SRAM | — | 1 KB |
| General Purpose I/O | — | 27 lines |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| Throughput | — | Up to 20 MIPS (approx. 1 MIPS per MHz) |
| ADC | — | 10-bit ADC |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Programming Interface | — | ISP (SPI), self-programmable flash |
| Working Registers | — | 32 general-purpose registers |
| Functional Safety | — | FuSa supported variant family |
| ECCN | — | EAR99 |