ATMEGA48-20AU vs ATMEGA48PB-AUR Comparison
Detailed side-by-side comparison of ATMEGA48-20AU 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
ATMEGA48-20AU - 8-bit AVR MCU 20MHz 4KB Flash | Microchip
ATMEGA48-20AU β ActiveMicrochip Technology
ATMEGA48PB-AUR - 8-bit AVR MCU 20MHz 4KB Flash TQFP-32 | Microchip
ATMEGA48PB-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA48-20AU | ATMEGA48PB-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.60 | $0.39 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-bit |
| Speed | 20 MHz | 20 MHz |
| Flash Memory | 4 KB (2K x 16) | 4 KB (2K x 16) |
| EEPROM | 256 B | 256 B |
| SRAM | 512 B | 512 B |
| Number of I/O | 23 | β |
| Operating Voltage | 4.5 V to 5.5 V | β |
| ADC Resolution | 10-bit | β |
| ADC Channels | 8 (6 external in TQFP package) | β |
| Timers/Counters | 3 (two 8-bit, one 16-bit) | 3 flexible timer/counters with compare modes |
| Communication Interfaces | USART, SPI, I2C (Two-Wire) | USART with wake-up on start of transmission |
| Operating Temperature | -40C to +85C | β |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory Type | ISP Flash (In-System Programmable) | β |
| RoHS Status | Compliant | Compliant (GRN / green package per Mouser) |
| General-Purpose I/O | β | 27 |
| Operating Voltage Range | β | 1.8 V to 5.5 V |
| Working Registers | β | 32 general-purpose registers |
| Performance | β | Up to 1 MIPS/MHz (single-cycle RISC) |
| Low-Power Technology | β | picoPower |
| Packaging | β | Tape & Reel (AUR suffix) |
| Functional Safety | β | FuSa capable (per DigiKey listing) |