ATMEGA48PA-AN vs ATMEGA48PB-AN Comparison
Detailed side-by-side comparison of ATMEGA48PA-AN by Microchip Technology and ATMEGA48PB-AN 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-AN - 8-Bit AVR 20MHz 4KB MCU | Microchip | TQFP-32
ATMEGA48PA-AN β ActiveMicrochip Technology
ATMEGA48PB-AN - 8-Bit AVR MCU 20MHz 4KB TQFP-32 | Microchip
ATMEGA48PB-AN β ActiveSpecification Comparison
| Parameter | ATMEGA48PA-AN | ATMEGA48PB-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.83 | $0.42 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory | 4 KB ISP Flash (2K x 16) | β |
| EEPROM | 256 bytes | 256 B |
| SRAM | 512 bytes | 512 B |
| Maximum Clock Speed | 20 MHz | β |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.5 V to 5.5 V (1.8 V at reduced speed) |
| Operating Temperature | -40C to +105C | -40C to +105C |
| General Purpose I/O Lines | 23 | β |
| General Purpose Working Registers | 32 | β |
| Timer/Counters | 3 (two 8-bit, one 16-bit) | β |
| ADC Resolution | 10-bit | β |
| Serial Interfaces | USART, SPI, TWI (I2C) | SPI, TWI (I2C-compatible) |
| Instruction Set | 131 instructions, most single-cycle | β |
| Flash Endurance | 10,000 write/erase cycles | β |
| EEPROM Endurance | 100,000 write/erase cycles | β |
| Package | 32-TQFP (7x7 mm) | 32-TQFP, 7x7 mm (package code AN) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | β |
| Maximum Clock Frequency | β | 20 MHz |
| Flash Memory | β | 4 KB (2K x 16) |
| General-Purpose I/O | β | 27 lines |
| Timers/Counters | β | 3 (with compare modes) |
| USART | β | 1 (wake-up on start of transmission) |
| Low-Power Technology | β | picoPower |
| Programming | β | ISP Flash with read-while-write, ICSP via 2 I/O pins + reset |
| Packaging | β | Tray |
| Green Status | β | GREEN (lead-free per Mouser listing) |
| Functional Safety | β | FuSa support offered by Microchip |