ATMEGA328PB-AU vs ATMEGA48PA-ANR Comparison
Detailed side-by-side comparison of ATMEGA328PB-AU by Microchip Technology and ATMEGA48PA-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 ✓ ActiveMicrochip Technology
ATMEGA48PA-ANR - 8-Bit AVR MCU 4KB Flash 20MHz | Microchip
ATMEGA48PA-ANR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328PB-AU | ATMEGA48PA-ANR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.12 | $0.98 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | — |
| EEPROM | 2 KB | 256 B |
| SRAM | 4 KB | 512 B |
| General Purpose I/O | 27 | — |
| Connectivity | I2C x2, SPI x2, USART x2 | — |
| ADC Resolution | 10-bit | 10-bit |
| Number of ADC Channels | 7 | — |
| Package | 32-TQFP (7 x 7 mm) | 32-TQFP (7x7 mm), 0.8 mm pitch |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Technology | picoPower, CMOS | — |
| Safety Feature | Functional Safety (FuSa) | — |
| Programming | In-System Programmable (ISP), read-while-write | — |
| Instruction Throughput | Up to 20 MIPS at 20 MHz | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 4 KB (2K x 16) |
| Maximum Clock Frequency | — | 20 MHz |
| Maximum MIPS | — | 20 MIPS (1 MIPS/MHz) |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| Number of I/O Lines | — | 23 |
| Timer/Counters | — | 3 (two 8-bit, one 16-bit) |
| ADC Channels | — | 8 single-ended multiplexed |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Programming Interface | — | ICSP (in-circuit serial programming) |
| Low Power Technology | — | picoPower |
| Lifecycle Status | — | ACTIVE |
| RoHS Status | — | Compliant (green package per digchip data) |