The ATMEGA645A-AU is an 8-bit microcontroller from Quarktwin Technology Ltd. featuring a high-performance AVR architecture. It operates at speeds up to 20 MHz and offers 64 KB of in-system programmable flash memory, 4 KB of SRAM, and 2 KB of EEPROM. The device supports a wide operating voltage range of 1.8V to 5.5V and is suitable for industrial applications with a temperature range of -40¬8C to 85¬8C. This microcontroller includes a variety of peripherals such as two 8-bit timers, one 16-bit timer, an 8-channel 10-bit ADC, and multiple communication interfaces including USART and SPI. It also features advanced power management capabilities with several sleep modes, making it suitable for low-power applications. The ATMEGA645A-AU supports in-system programming and has a JTAG interface for debugging and programming. With its extensive memory and peripheral options, the ATMEGA645A-AU is well-suited for complex applications requiring reliable performance and flexibility.
IC MCU 8BIT 64KB FLASH 64TQFP
AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 64KB (32K x 16) FLASH 64-TQFP (14x14)
Manufacturer: Microchip Technology
Category: Integrated Circuits (ICs) Embedded Microcontrollers
Series: AVR® ATmega
Package: Tray
Package / Case: 64-TQFP
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TA)
Supplier Device Package: 64-TQFP (14x14)
Base Product Number: ATMEGA645
Product Status: Active
IC MCU 8BIT 64KB FLASH 64TQFP Product overview: ATMEGA645A-AU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 64KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 64KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATMEGA645A-AU can be used for catalog matching and distributor lookup.
AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 64KB (32K x 16) FLASH 64-TQFP (14x14)
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND
MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, TQFP-64; Product Range:AVR ATmega Family ATmega325 Series Microcontrollers; CPU Speed:20MHz; Program Memory Size:64KB; RAM Memory Size:4KB; No. of Pins:64Pins; MCU Case Style:TQFP; MSL:- RoHS Compliant: Yes
IC MCU 8BIT 64KB FLASH 64TQFP
IC MCU 8BIT 64KB FLASH 64TQFP
| ODG (Origin Data Global) | DigiKey | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | Quarktwin Technology Ltd. | VAST STOCK CO., LIMITED | Newark, An Avnet Company | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | ATMEGA645A-AU | ATMEGA645A-AU-ND | 685-ATMEGA645A-AU | ATMEGA645A-AU | ATMEGA645A-AU | 68T3149 | ATMEGA645A-AU | ATMEGA645A-AU | |
| Product Name | Microcontrollers | Microcontrollers | Integrated Circuits (ICs) Embedded Microcontrollers | 8-bit 8BIT 64KB Embedded Microcontroller MCU | Microcontrollers | 8-bit Microcontrollers - MCU | Microcontroller Mcu, 8 Bit, Atmega, 20Mhz, Tqfp-64; Product Range Microchip | Embedded - Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit | |
| Clock Speed | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 20 MHz | 16 MHz | |||
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | |||
| ROM Type | Flash; FLASH | Flash | Flash; FLASH | ||||||
| Supply Voltage | 1.8 to 5.5 volts | 1.8 to 5.5 volts | 1.8 to 5.5 volts | 5.5 volts |
