ATMEGA645-16AU
- Mfr.Part #
- ATMEGA645-16AU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 64KB FLASH 64TQFP
- Stock
- 2,047
- In Stock :
- 2,047
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- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- REACH SVHC :
- No SVHC
- JESD-609 Code :
- e3
- RoHS :
- Details
- Terminal Position :
- QUAD
- Interface Type :
- JTAG, SPI, USART, USI
- Radiation Hardening :
- No
- Seated Height-Max :
- 1.2 mm
- Number of I/Os :
- 54 I/O
- Frequency :
- 16MHz
- Maximum Operating Temperature :
- +85 °C
- Operating Temperature :
- -40°C~85°C TA
- Contact Plating :
- Tin
- Mount :
- Surface Mount
- Memory Size :
- 64KB
- Manufacturer :
- Microchip
- Voltage :
- 5V
- Package :
- Tray
- Peak Reflow Temperature (Cel) :
- 260
- Connectivity :
- SPI, UART/USART, USI
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- ROM Programmability :
- Flash
- Core Processor :
- AVR
- Pbfree Code :
- yes
- Published :
- 2007
- Supply Voltage :
- 5V
- Power Supplies :
- 3/5 V
- RAM (bytes) :
- 4096
- Brand :
- Microchip Technology / Atmel
- Data Bus Width :
- 8B
- Has ADC :
- yes
- Reach Compliance Code :
- Compliant
- Data Converters :
- A/D 8x10b
- Pin Count :
- 64
- Bit Size :
- 8
- Base Part Number :
- ATMEGA645
- Interface :
- SPI, UART, USART
- Number of Outputs :
- 53
- DAC Channels :
- No
- Lead Free :
- Lead Free
- Program Memory Type :
- Flash
- JESD-30 Code :
- S-PQFP-G64
- Package Shape :
- Square
- Number of I/O :
- 54
- Number of Programmable I/O :
- 54
- Density :
- 512 kb
- Device Core :
- AVR
- MSL :
- MSL 3 - 168 hours
- RoHS Status :
- ROHS3 Compliant
- Number of Terminations :
- 64
- Terminal Finish :
- Matte Tin (Sn)
- Number of Timers/Counters :
- 3
- Height :
- 1.05mm
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Factory Lead Time :
- 7 Weeks
- Product :
- MCU
- Supply Current-Max :
- 3 mA
- Core Size :
- 8-Bit
- Package / Case :
- 64-TQFP
- Number of PWM Channels :
- 4
- Oscillator Type :
- Internal
- Speed :
- 16MHz
- Product Type :
- 8-bit Microcontrollers - MCU
- Instruction Set Architecture :
- RISC
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Interfaces :
- SPI/USART/USI
- Number of Pins :
- 64
- ROM (words) :
- 32768
- Terminal Pitch :
- 0.8 mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Data Converter :
- A/D 8x10b
- Number of ADC Channels :
- 8
- DAC Resolution :
- -
- EEPROM Size :
- 2K x 8
- Access Time :
- 16 μs
- Series :
- AVR® ATmega
- Program Memory Size :
- 64KB 32K x 16
- Number of I/O Lines :
- 54
- Qualification Status :
- Not Qualified
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ
- Family Name :
- ATMEGA
- CPU Family :
- AVR RISC
- RAM Size :
- 4K x 8
- Temperature Grade :
- Industrial
- Memory Type :
- EEPROM, FLASH
- Terminal Form :
- Gull wing
- Package Type :
- TQFP
- Mounting Style :
- SMD/SMT
- Dimensions :
- 14.1 x 14.1 x 1.05mm
- Supplier Device Package :
- 64-TQFP (14x14)
- Width :
- 14.1mm
- Number of I2C Channels :
- 1
- PWM Channels :
- yes
- Product Category :
- 8-bit Microcontrollers - MCU
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Qualification :
- -
- DMA Channels :
- No
- Watchdog Timer :
- yes
- Base Product Number :
- ATMEGA645
- Minimum Operating Temperature :
- -40 °C
- Surface Mount :
- yes
- Packaging :
- Tray
- Number of Terminals :
- 64
- Length :
- 14.1mm
- Mounting Type :
- Surface Mount
- Product Status :
- Active
- Tradename :
- AVR
- Datasheets
- ATMEGA645-16AU
ATMEGA645-16AU Documents

Microcontrollers Microchip Technology ATMEGA645-16AU Overview
The Microcontrollers Microchip Technology ATMEGA645-16AU is a highly capable MCU designed for advanced embedded applications. Manufactured by Microchip Technology, this 8-bit microcontroller integrates 64KB of flash memory and operates at a frequency of up to 16 MHz. Encased in a compact 64TQFP package, it provides a perfect balance of performance, power efficiency, and programming flexibility, making it ideal for developers looking to create scalable and cost-effective designs in a range of industries.
ATMEGA645-16AU Features
This microcontroller boasts numerous features that make it a standout choice for demanding applications. Key attributes include its 64KB of in-system programmable flash, a wide operating voltage range of 1.8V to 5.5V, and multiple sleep modes to enhance power saving. The device also supports advanced peripherals such as USART, SPI, and I2C interfaces, and comes equipped with an analog comparator, ten-bit ADC, and external interrupt capabilities, offering robust options for connectivity and sensory expansion.
ATMEGA645-16AU Applications
- Consumer Electronics: Utilized in devices like remote controllers, gaming consoles, and smart appliances for its low power consumption and high reliability.
- Industrial Automation: Serves as a control element in automation systems, where precise control and interfacing with various sensors and actuators are required.
- Automotive: Applied in car entertainment systems, where robust operation and interfacing with high-speed communication protocols are essential.
- Internet of Things (IoT): Acts as the core for IoT devices due to its capability to interface with various sensors and transmit data reliably over networks.
- Medical Devices: Used in medical monitoring systems that require accurate sensor readings and dependable performance for critical applications.
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