ATMEGA128A-AN vs ATMEGA128A-AU Comparison

Detailed side-by-side comparison of ATMEGA128A-AN by Microchip Technology and ATMEGA128A-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
ATMEGA128A-AN ATMEGA128A-AN - 8-bit AVR MCU 128KB Flash 16MHz | Microchip

ATMEGA128A-AN - 8-bit AVR MCU 128KB Flash 16MHz | Microchip

ATMEGA128A-AN ✓ Active
Microchip Technology
ATMEGA128A-AU ATMEGA128A-AU - 8-bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip

ATMEGA128A-AU - 8-bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip

ATMEGA128A-AU ✓ Active

Specification Comparison

Parameter ATMEGA128A-AN ATMEGA128A-AU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core AVR 8-bit RISC —
Flash Memory 128 KB (In-System Programmable, read-while-write) 128 KB (64K x 16), In-System Programmable, read-while-write
EEPROM 4 KB 4 KB
SRAM 4 KB 4 KB
Maximum Clock Frequency 16 MHz —
General Purpose I/O 53 lines 53 lines
Working Registers 32 general purpose 32 general purpose
Timers/Counters 4 flexible Timer/Counters with compare modes and PWM 4 flexible timer/counters with compare modes and PWM
USART 2 —
Real Time Counter Yes (RTC) —
Package TQFP-64 64-TQFP (14x14 mm)
Operating Temperature -40C to +105C [DATA_NEEDED: operating temperature range]
Mounting Type Surface Mount Surface Mount
Supply Voltage [DATA_NEEDED: supply voltage range] —
ADC [DATA_NEEDED: ADC resolution and channels] 8-channel, 10-bit
RoHS Status Green (per LCSC/Mouser listing) —
Core Processor — AVR
Core Size — 8-Bit
Architecture — Enhanced RISC, 133 instructions
Max Clock Frequency — 16 MHz
Supply Voltage Range — 2.7 V to 5.5 V
Communication Interfaces — 2x USART, TWI (I2C), SPI
Real-Time Counter — Yes (RTC)
Debug / Boundary Scan — JTAG (IEEE 1149.1)
Projected End of Life — 2048-10-03 (per distributor lifecycle data)

Datasheets & Resources

Browse All Products Create BOM Request Quote