ATMEGA128A-AU
- Mfr.Part #
- ATMEGA128A-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 128KB FLASH 64TQFP
- Stock
- 17,973
- In Stock :
- 17,973
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Operating Temp Range :
- -40C to 85C
- Total Internal Ram Size :
- 4KB(kB)
- Product :
- MCU
- RAM Size :
- 4K x 8
- Terminal Position :
- QUAD
- ROM (words) :
- 65536
- Width :
- 14 mm
- Interface :
- EBI/EMI, I2C, SPI, UART, USART
- Length :
- 14 mm
- Terminal Pitch :
- 0.8mm
- Packaging :
- Tape and Reel (TR)
- Address Bus Width :
- 16
- Core Size :
- 8-Bit
- Mounting Style :
- SMD/SMT
- Reach Compliance Code :
- Compliant
- Qualification :
- -
- DMA Channels :
- No
- Supplier Device Package :
- 64-TQFP (14x14)
- Supply Voltage-Max (Vsup) :
- 5.5V
- RoHS Status :
- ROHS3 Compliant
- Rad Hardened :
- No
- Terminal Finish :
- Matte Tin (Sn)
- Has ADC :
- yes
- Interface Type :
- JTAG/SPI/TWI/USART
- Peak Reflow Temperature (Cel) :
- 260
- Speed :
- 16MHz
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Number of Timers/Counters :
- 4
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Frequency :
- 16MHz
- Minimum Operating Temperature :
- - 40 C
- Height Seated (Max) :
- 1.2mm
- PWM Channels :
- yes
- Manufacturer :
- Microchip
- Maximum Operating Temperature :
- + 85 C
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Programmable :
- yes
- Device Core Size :
- 8(b)
- JESD-609 Code :
- e3
- RoHS :
- Details
- External Data Bus Width :
- 8
- Base Part Number :
- ATMEGA128A
- Package Shape :
- Square
- Memory Size :
- 128kB
- Mounting Type :
- Surface Mount
- Supply Current-Max :
- 19 mA
- Lead Free :
- Lead Free
- Number of I/Os :
- 53 I/O
- Operating Temperature (Max) :
- 85C
- # I/Os (Max) :
- 53
- Mount :
- Surface Mount
- Manufacturer Package Identifier :
- 64A
- Bit Size :
- 8
- JESD-30 Code :
- S-PQFP-G64
- Series :
- AVR® ATmega
- Operating Temperature :
- -40°C~85°C TA
- Terminal Form :
- Gull wing
- Operating Supply Voltage (Typ) :
- 3.3/5(V)
- Tradename :
- AVR
- Seated Height-Max :
- 1.2 mm
- Product Type :
- 8-bit Microcontrollers - MCU
- Operating Temperature (Min) :
- -40C
- Data Converters :
- A/D 8x10b
- RAM (bytes) :
- 4096
- Instruction Set Architecture :
- RISC
- Product Status :
- Active
- Program Memory Size :
- 128KB 64K x 16
- Pbfree Code :
- yes
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Surface Mount :
- yes
- Base Product Number :
- ATMEGA128
- Number of I/O :
- 53
- Brand :
- Microchip Technology / Atmel
- Number of Terminations :
- 64
- DAC Channels :
- yes
- Program Memory Type :
- Flash
- Additional Feature :
- IT ALSO OPERATES 8MHZ AT MINI 2.7V
- Number of Timers - General Purpose :
- 4
- Data Bus Width :
- 8B
- Product Category :
- 8-bit Microcontrollers - MCU
- Power Supplies :
- 3/5V
- EEPROM Size :
- 4K x 8
- MSL :
- MSL 3 - 168 hours
- Data Converter :
- A/D 8x10b
- Operating Supply Voltage (Min) :
- 2.7(V)
- CPU Family :
- AVR RISC
- Device Core :
- AVR
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Core Processor :
- AVR
- ROM Programmability :
- Flash
- Operating Temperature Classification :
- Industrial
- REACH SVHC :
- No SVHC
- Operating Supply Voltage (Max) :
- 5.5(V)
- Factory Lead Time :
- 7 Weeks
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Supply Voltage :
- 5V
- Clock Freq :
- 16(MHz)
- Number of I/O Lines :
- 53
- Package Type :
- TQFP
- Interfaces :
- JTAG/SPI/TWI/USART
- Oscillator Type :
- Internal
- Maximum Expanded Memory Size :
- 64KB
- Number of Pins :
- 64
- Contact Plating :
- Tin
- Pin Count :
- 64
- Number of Terminals :
- 64
- Radiation Hardening :
- No
- Connectivity :
- EBI/EMI, I2C, SPI, UART/USART
- Qualification Status :
- Not Qualified
- Temperature Grade :
- Industrial
- Mounting :
- Surface Mount
- Published :
- 2003
- Package / Case :
- 64-TQFP
- Number of ADC Channels :
- 8 Channel
- Watchdog Timer :
- yes
- Datasheets
- ATMEGA128A-AU

Microcontrollers Microchip Technology ATMEGA128A-AU Overview
The Microcontrollers Microchip Technology ATMEGA128A-AU is a high-performance, low-power AVR® 8-bit microcontroller that combines 128KB of programmable flash memory with robust features and versatile peripherals. Designed by Microchip Technology, this microcontroller is ideal for demanding applications requiring substantial program memory and high-speed processing. Its integration in a 64TQFP package ensures compact footprint along with ease of embedding in complex circuits, making it a prime choice for advanced control systems and smart connectivity solutions.
ATMEGA128A-AU Features
This microcontroller stands out with its advanced architecture that includes a wide range of features: 128KB of in-system programmable flash, 4KB EEPROM, and 4KB internal SRAM. It supports a throughput of up to 16 MIPS at 16 MHz and operates within a voltage range of 2.7V to 5.5V. Notable features also include real-time counter, watchdog timer, and multiple power-saving modes, making it highly suitable for applications where efficiency is crucial. Additionally, it offers a variety of peripherals such as six PWM channels, a 10-bit ADC with 16 channels, and multiple communication interfaces including SPI, UART, and I2C, enhancing its adaptability to multiple digital communications tasks.
ATMEGA128A-AU Applications
- Automotive Systems: Utilized in engine management and dashboard displays, where its robust processing capabilities ensure reliable operation under harsh conditions.
- Industrial Automation: Integral in control systems for automation machinery and robotic arms, facilitating precise and efficient operations through its extensive I/O capabilities.
- Smart Home Devices: Powers devices such as smart thermostats and lighting systems, leveraging its connectivity features to enable user-friendly, automated home environments.
- Healthcare Equipment: Used in medical monitoring devices and diagnostic equipment, where precision and reliability are essential for accurate data capture and patient safety.
- Consumer Electronics: Drives the functionality in gadgets like handheld gaming consoles and advanced remote controls, enhancing user interaction and experience with high-speed processing.
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