ATMEGA168PB-AU vs ATMEGA168PA-AU Comparison
Detailed side-by-side comparison of ATMEGA168PB-AU by Microchip Technology and ATMEGA168PA-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
ATMEGA168PB-AU - 8-Bit AVR MCU, 20MHz, 16KB Flash | Microchip
ATMEGA168PB-AU ✓ ActiveMicrochip Technology
ATMEGA168PA-AU - 8-bit AVR MCU 20MHz 16KB Flash TQFP-32 | Microchip
ATMEGA168PA-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168PB-AU | ATMEGA168PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | AVR RISC |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Flash Memory | 16 KB (8K x 16) | 16 KB (8K x 16) |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| General Purpose I/O | 27 lines | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| 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) | — |
| ADC | 10-bit ADC | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Programming Interface | ISP (SPI), self-programmable flash | — |
| Sleep Modes | picoPower, 6 sleep modes | — |
| Working Registers | 32 general-purpose registers | — |
| Functional Safety | FuSa supported variant family | — |
| RoHS Status | Compliant (RoHS, per LCSC listing) | Compliant |
| ECCN | EAR99 | — |
| Core Size | — | 8-bit |
| Number of I/O Lines | — | 23 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 6 (8 in TQFP: ADC6/ADC7) |
| Timers/Counters | — | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Low Power Technology | — | picoPower |
| In-System Programming | — | Yes (ISP, read-while-write) |