ATMEGA328PB-AN vs ATMEGA328P-AU Comparison
Detailed side-by-side comparison of ATMEGA328PB-AN by Microchip Technology and ATMEGA328P-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
ATMEGA328PB-AN - 8-bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip
ATMEGA328PB-AN ✓ ActiveMicrochip Technology
ATMEGA328P-AU - 8-bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip
ATMEGA328P-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328PB-AN | ATMEGA328P-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 32 KB (16K x 16) |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| General Purpose I/O | 27 | — |
| Timers/Counters | 5 (flexible, with compare modes) | — |
| USART | 2 | — |
| Package | 32-TQFP (7x7 mm) | TQFP-32 (7x7 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tray | — |
| Architecture | AVR enhanced RISC, picoPower | — |
| Working Registers | 32 | — |
| Interrupt Sources | Internal and external interrupts | — |
| Programming Interface | ISP / ICSP (SPI) | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | — |
| RoHS Status | [DATA_NEEDED: rohs status] | Compliant |
| Core Architecture | — | AVR 8-bit RISC |
| CPU Speed | — | 20 MHz |
| Instruction Throughput | — | 20 MIPS |
| Operating Voltage | — | 1.8 V to 5.5 V |
| I/O Pins | — | 23 |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| PWM Channels | — | 6 |
| ADC | — | 8-channel 10-bit |
| Serial Interfaces | — | USART, SPI, I2C (TWI) |
| MSL Level | — | [DATA_NEEDED: MSL level] |