ATMEGA48PA-AU vs ATMEGA48PB-AUR Comparison
Detailed side-by-side comparison of ATMEGA48PA-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
ATMEGA48PA-AU - 8-Bit AVR 20MHz 4KB Flash MCU | Microchip
ATMEGA48PA-AU β ActiveMicrochip Technology
ATMEGA48PB-AUR - 8-bit AVR MCU 20MHz 4KB Flash TQFP-32 | Microchip
ATMEGA48PB-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA48PA-AU | ATMEGA48PB-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.38 | $0.39 |
| Core Processor | AVR 8-bit RISC | AVR |
| Program Memory Size | 4 KB (2K x 16) Flash | β |
| EEPROM Size | 256 B | β |
| SRAM Size | 512 B | β |
| Maximum Clock Frequency | 20 MHz | β |
| Operating Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Supply Voltage (5V operation) | 4.5 V to 5.5 V | β |
| Number of I/O Lines | 23 | β |
| General Purpose Working Registers | 32 | β |
| Instruction Set | 131 instructions, most single-cycle | β |
| ADC Resolution | 10-bit | β |
| ADC Channels | 8 | β |
| Timer/Counters | 3 (two 8-bit, one 16-bit) | β |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | β |
| Flash Write/Erase Cycles | 10,000 | β |
| EEPROM Write Cycles | 100,000 | β |
| RoHS Status | Compliant | Compliant (GRN / green package per Mouser) |
| Core Size | β | 8-bit |
| Speed | β | 20 MHz |
| Flash Memory | β | 4 KB (2K x 16) |
| EEPROM | β | 256 B |
| SRAM | β | 512 B |
| General-Purpose I/O | β | 27 |
| Timers/Counters | β | 3 flexible timer/counters with compare modes |
| Communication Interfaces | β | USART with wake-up on start of transmission |
| 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) |