ATMEGA48PA-AUR vs ATMEGA48PB-AUR Comparison
Detailed side-by-side comparison of ATMEGA48PA-AUR 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-AUR - 8-Bit AVR MCU 4KB Flash 20MHz | Microchip
ATMEGA48PA-AUR β ActiveMicrochip Technology
ATMEGA48PB-AUR - 8-bit AVR MCU 20MHz 4KB Flash TQFP-32 | Microchip
ATMEGA48PB-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA48PA-AUR | ATMEGA48PB-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.72 | $0.39 |
| Core Architecture | 8-bit AVR RISC | β |
| Program Memory Size | 4 KB Flash (2K x 16) | β |
| EEPROM | 256 B | 256 B |
| SRAM | 512 B | 512 B |
| 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 |
| General Purpose I/O Lines | 23 | β |
| General Purpose Working Registers | 32 x 8-bit | β |
| Instruction Set | 131 powerful instructions, most single clock cycle | β |
| ADC | 6-channel 10-bit | β |
| Timer/Counters | Three flexible timer/counters with compare modes | β |
| Serial Interfaces | SPI, USART, 2-wire (I2C compatible) | β |
| Analog Comparator | One on-chip | β |
| Watchdog Timer | Programmable with separate on-chip oscillator | β |
| Internal Oscillator | Calibrated, 8 MHz | β |
| Flash Endurance | 10,000 write/erase cycles | β |
| EEPROM Endurance | 100,000 write/erase cycles | β |
| Data Retention | 20 years at 85 C | 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 |
| RoHS Status | Compliant (Green) | Compliant (GRN / green package per Mouser) |
| Core Processor | β | AVR |
| Core Size | β | 8-bit |
| Speed | β | 20 MHz |
| Flash Memory | β | 4 KB (2K x 16) |
| 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) |