ATMEGA48A-AU vs ATMEGA48PB-AUR Comparison
Detailed side-by-side comparison of ATMEGA48A-AU by Microchip Technology and ATMEGA48PB-AUR 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
ATMEGA48A-AU - 8-bit AVR MCU, 4KB Flash, 20MHz, TQFP-32 | Microchip
ATMEGA48A-AU ✓ ActiveMicrochip Technology
ATMEGA48PB-AUR - 8-bit AVR MCU 20MHz 4KB Flash TQFP-32 | Microchip
ATMEGA48PB-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48A-AU | ATMEGA48PB-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.78 | $0.39 |
| Core Architecture | AVR 8-bit RISC | — |
| Maximum Clock Frequency | 20 MHz | — |
| MIPS Throughput | 20 MIPS | — |
| Program Memory (Flash) | 4 KB (2K x 16) | — |
| Data EEPROM | 256 B | — |
| Data SRAM | 512 B | — |
| General-Purpose I/O Lines | 23 | — |
| General-Purpose Working Registers | 32 | — |
| Supply Voltage (VCC) | 4.5 V to 5.5 V | — |
| Operating Temperature | -40 C to +85 C | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 | — |
| Timer/Counters | 3 (with compare modes) | — |
| PWM Channels | 6 | — |
| Communication Interfaces | SPI, TWI (I2C), USART | USART with wake-up on start of transmission |
| Package | 32-pin TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant (GRN / green package per Mouser) |
| Core Processor | — | AVR |
| Core Size | — | 8-bit |
| Speed | — | 20 MHz |
| Flash Memory | — | 4 KB (2K x 16) |
| EEPROM | — | 256 B |
| SRAM | — | 512 B |
| General-Purpose I/O | — | 27 |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Timers/Counters | — | 3 flexible timer/counters with compare modes |
| Working Registers | — | 32 general-purpose registers |
| Performance | — | Up to 1 MIPS/MHz (single-cycle RISC) |
| Low-Power Technology | — | picoPower |
| Packaging | — | Tape & Reel (AUR suffix) |
| Functional Safety | — | FuSa capable (per DigiKey listing) |