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ATMEGA128L-8MNR is listed in the Microcontrollers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC MCU 8BIT 128KB FLASH 64QFN. Review the specifications below when checking this part for your BOM.
Microcontrollers specifications for ATMEGA128L-8MNR
- Description：IC MCU 8BIT 128KB FLASH 64QFN
- Series：AVR® ATmega
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：8MHz
- Connectivity：EBI/EMI, I2C, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：53
- Program Memory Size：128KB (64K x 16)
- Program Memory Type：FLASH
- EEPROM Size：4K x 8
- RAM Size：4K x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
- Data Converters：A/D 8x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
- Grade：-
- Qualification：-
Microcontrollers datasheet and documents for ATMEGA128L-8MNR
Microcontrollers Overview
The ATMEGA128L-8MNR is an 8-bit AVR microcontroller featuring 128KB of in-system programmable Flash, 4KB EEPROM, and 4KB SRAM. It operates at speeds up to 8MHz with a supply voltage range of 2.7V to 5.5V. The device includes 53 programmable I/O lines, two USARTs, an SPI interface, an 8-channel 10-bit ADC, and four Timer/Counters. It utilizes a 64-pad QFN/MLF package and supports industrial temperature ranges.
Microcontrollers Feature Summary
- High-performance 8-bit AVR architecture with advanced RISC instruction set
- Non-volatile memory segments including Flash, EEPROM, and SRAM
- Integrated JTAG interface for boundary-scan and on-chip debugging
- Multiple power-saving sleep modes for optimized energy consumption
Microcontrollers Applications
- Industrial control systems
- Embedded sensor networks
- Consumer electronics devices
- Medical instrumentation
Microcontrollers Procurement Notes
Verify the specific suffix 'MNR' corresponds to the 64-pad QFN/MLF package and extended temperature rating (-40°C to 105°C). Confirm that the ordering code matches the 8MHz speed grade and 2.7V–5.5V operating voltage requirements. Ensure compatibility with existing PCB footprints for the 9x9mm body size.
Microcontrollers Selection Notes
Select this variant for applications requiring low-power operation within the 2.7V to 5.5V range. The 8MHz speed grade suits time-insensitive control tasks. Consider the QFN/MLF package for compact surface-mount designs. Verify thermal management needs for the extended temperature range if operating near upper limits.
Microcontrollers Part Context
This component belongs to the Microchip ATmega128 family, which replaces older ATmega103 designs. It offers backward compatibility via fuse settings while providing expanded I/O and memory resources. The L-series designation indicates lower voltage operation compared to standard variants.
Microcontrollers Replacement Considerations
ATMEGA128L-8MU serves as a direct pin-compatible alternative in the MLF package.
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