ATMEGA128A-AU vs ATMEGA128L-8AU Comparison

Detailed side-by-side comparison of ATMEGA128A-AU by Microchip Technology and ATMEGA128L-8AU 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-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
Microchip Technology
ATMEGA128L-8AU ATMEGA128L-8AU - 8MHz 128KB Flash AVR MCU | Microchip

ATMEGA128L-8AU - 8MHz 128KB Flash AVR MCU | Microchip

ATMEGA128L-8AU ✓ Active

Specification Comparison

Parameter ATMEGA128A-AU ATMEGA128L-8AU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core Processor AVR —
Core Size 8-Bit —
Architecture Enhanced RISC, 133 instructions —
Max Clock Frequency 16 MHz 8 MHz
Flash Memory 128 KB (64K x 16), In-System Programmable, read-while-write 128 KB (64K x 16)
EEPROM 4 KB 4 KB
SRAM 4 KB 4 KB
Supply Voltage Range 2.7 V to 5.5 V 2.7 V to 5.5 V
General Purpose I/O 53 lines —
Working Registers 32 general purpose —
Timers/Counters 4 flexible timer/counters with compare modes and PWM 2 x 8-bit, 2 x 16-bit
Communication Interfaces 2x USART, TWI (I2C), SPI —
ADC 8-channel, 10-bit —
Real-Time Counter Yes (RTC) —
Debug / Boundary Scan JTAG (IEEE 1149.1) —
Package 64-TQFP (14x14 mm) 64-TQFP (14x14 mm)
Mounting Type Surface Mount Surface Mount
Operating Temperature [DATA_NEEDED: operating temperature range] -40C to +85C (industrial)
Projected End of Life 2048-10-03 (per distributor lifecycle data) —
Core Architecture — AVR 8-bit RISC
I/O Pins — 53
ADC Resolution — 10-bit, 8 channels
USARTs — 2
Debug Interface — JTAG (on-chip debug + boundary scan)
MIPS — Up to 8 MIPS at 8 MHz (1 MIPS/MHz)
Low-Power Sleep Modes — 6 modes
In-System Programming — Yes (ISP via SPI)
RoHS Status — Compliant

Datasheets & Resources

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