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

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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















