ATMEGA48PB-AN vs ATMEGA48PA-AU Comparison
Detailed side-by-side comparison of ATMEGA48PB-AN by Microchip Technology and ATMEGA48PA-AU 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-AN - 8-Bit AVR MCU 20MHz 4KB TQFP-32 | Microchip
ATMEGA48PB-AN ✓ ActiveMicrochip Technology
ATMEGA48PA-AU - 8-Bit AVR 20MHz 4KB Flash MCU | Microchip
ATMEGA48PA-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48PB-AN | ATMEGA48PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Flash Memory | 4 KB (2K x 16) | — |
| EEPROM | 256 B | — |
| SRAM | 512 B | — |
| General-Purpose I/O | 27 lines | — |
| Supply Voltage Range | 2.5 V to 5.5 V (1.8 V at reduced speed) | — |
| Operating Temperature | -40C to +105C | -40 C to +85 C (industrial) |
| Package | 32-TQFP, 7x7 mm (package code AN) | 32-TQFP (7x7 mm) |
| Timers/Counters | 3 (with compare modes) | — |
| USART | 1 (wake-up on start of transmission) | — |
| Serial Interfaces | SPI, TWI (I2C-compatible) | — |
| Low-Power Technology | picoPower | — |
| Programming | ISP Flash with read-while-write, ICSP via 2 I/O pins + reset | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tray | — |
| Green Status | GREEN (lead-free per Mouser listing) | — |
| Functional Safety | FuSa support offered by Microchip | — |
| Core Processor | — | AVR 8-bit RISC |
| Program Memory Size | — | 4 KB (2K x 16) Flash |
| EEPROM Size | — | 256 B |
| SRAM Size | — | 512 B |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Supply Voltage (5V operation) | — | 4.5 V to 5.5 V |
| Number of I/O Lines | — | 23 |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 131 instructions, most single-cycle |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 |
| Timer/Counters | — | 3 (two 8-bit, one 16-bit) |
| Flash Write/Erase Cycles | — | 10,000 |
| EEPROM Write Cycles | — | 100,000 |
| RoHS Status | — | Compliant |