ATMEGA48PB-AUR vs ATMEGA48PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA48PB-AUR by Microchip Technology and ATMEGA48PA-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
ATMEGA48PB-AUR - 8-bit AVR MCU 20MHz 4KB Flash TQFP-32 | Microchip
ATMEGA48PB-AUR ✓ ActiveMicrochip Technology
ATMEGA48PA-AUR - 8-Bit AVR MCU 4KB Flash 20MHz | Microchip
ATMEGA48PA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48PB-AUR | ATMEGA48PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) | — |
| EEPROM | 256 B | 256 B |
| SRAM | 512 B | 512 B |
| General-Purpose I/O | 27 | — |
| Operating Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Timers/Counters | 3 flexible timer/counters with compare modes | — |
| Communication Interfaces | USART with wake-up on start of transmission | — |
| Working Registers | 32 general-purpose registers | — |
| Performance | Up to 1 MIPS/MHz (single-cycle RISC) | — |
| Low-Power Technology | picoPower | — |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (AUR suffix) | — |
| Functional Safety | FuSa capable (per DigiKey listing) | — |
| RoHS Status | Compliant (GRN / green package per Mouser) | Compliant (Green) |
| Core Architecture | — | 8-bit AVR RISC |
| Program Memory Size | — | 4 KB Flash (2K x 16) |
| Maximum Clock Frequency | — | 20 MHz |
| Supply Voltage (5V operation) | — | 4.5 V to 5.5 V |
| General Purpose I/O Lines | — | 23 |
| General Purpose Working Registers | — | 32 x 8-bit |
| Instruction Set | — | 131 powerful instructions, most single clock cycle |
| ADC | — | 6-channel 10-bit |
| Timer/Counters | — | Three flexible timer/counters with compare modes |
| Serial Interfaces | — | SPI, USART, 2-wire (I2C compatible) |
| Analog Comparator | — | One on-chip |
| Watchdog Timer | — | Programmable with separate on-chip oscillator |
| Internal Oscillator | — | Calibrated, 8 MHz |
| Flash Endurance | — | 10,000 write/erase cycles |
| EEPROM Endurance | — | 100,000 write/erase cycles |
| Data Retention | — | 20 years at 85 C |
| Operating Temperature | — | -40 C to +85 C (industrial) |