ATMEGA644-20AUR Price & Stock
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        Manufacturer
	
	 
					Integrated Circuits (ICs) > Embedded - Microcontrollers
				IC MCU 8BIT 64KB FLASH 44TQFP
				Documents
					| Datasheet | ATMEGA644-20AUR   | 
Specifications
				| Series | AVR® ATmega | 
| Part Status | Active | 
| Core Processor | AVR | 
| Core Size | 8-Bit | 
| Speed | 20MHz | 
| Connectivity | I²C, SPI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | 
| Number of I/O | 32 | 
| Program Memory Size | 64KB (32K x 16) | 
| Program Memory Type | FLASH | 
| EEPROM Size | 2K x 8 | 
| RAM Size | 4K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.7 V ~ 5.5 V | 
| Data Converters | A/D 8x10b | 
| Oscillator Type | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | 
| Package / Case | 44-TQFP | 
| Supplier Device Package | 44-TQFP (10x10) | 
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                        Longzi Technology (Shenzhen) Co., Ltd.
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 4771 | 
 | Buy | 
 
                        Lingto Electronic Limited
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | DC:24+ ; Original New | 33473 |  | Inquiry | 
 
                        EA-chip Industry Co., Ltd
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 2224 | 
 | Inquiry | 
 
                        Weyland Electronics Group Pte. Ltd.
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip | MCU (MCU/MPU/SOC) MCU (MCU/MPU/SOC) | 990 | 
 | Buy | 
 
                        Mouser
                        
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA644-20AUR sku #: 556-ATMEGA644-20AUR | Microchip Technology | 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND 8-bit Microcontrollers - MCU | 538 In Stock | 
 | Buy | ||||||||
| ATMEGA644-20AU sku #: 556-ATMEGA644-20AU | Microchip Technology | 8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins 8-bit Microcontrollers - MCU | 3797 In Stock | 
 | Buy | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 12000 |  | Inquiry | 
 
                        Hotenda Technology
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Atmel | AVR AVR?? ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-TQFP (10x10) | 394 |  | Inquiry | 
 
                        Chip Source Co.
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 60807 |  | Inquiry | 
 
                        Ersa Limited
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 4777 |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Micrel / Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP ; 44-TQFP (10x10) Embedded - Microcontrollers | Available |  | Inquiry | 
 
                        Geefook (Shenzhen) Electronic Co., Ltd.
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | 35000 | 
 | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 5091 | 
 | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP Embedded - Microcontrollers | In-Stock |  | Inquiry | 
 
                        Dechoele Technology
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | 6879 |  | Inquiry | 
 
                        Heisener Electronics Co., Limited
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP Embedded - Microcontrollers | 7496 |  | Buy | 
 
                        Win Source
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | ||
|---|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 3970 | 
 | Buy | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip | AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-TQFP (10x10) | In-Stock | 
 | Inquiry | 
 
                        ODG (Origin Data Global)
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 1340 | 
 | Buy | 
 
                        DGT Technology (HK) Co., Limited
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Roving Networks / Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 10000 |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR sku #: ATMEGA644-20AUR | Atmel | 397 |  | Inquiry | 
 
                        Lanka Micro Electronic Co.,Limited
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 717 |  | Buy | 
 
                        Shenzhen Shengyu Electronics Tech Limited.
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip | IC MCU 8BIT 64KB FLASH 44TQFP | 8928 |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | ATMEL | IN STOCK | 1089 |  | Inquiry | 
 
                        Cytech Systems Limited
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | MICROCHIP | Available, Contact us | 4000 |  | Inquiry | 
 
                        Xinghuan International Trade Co., Ltd
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | 40099 |  | Inquiry | 
 
                        MountainView Components Inc.
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | ATMEL | IN STOCK Immediate delivery | 889 |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | AT | TQFP44 ; DC:18+ | 4000 |  | Inquiry | 
 
                        Shenzhen Yuanxinai e-commerce Co., Ltd
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | MICROCHIP | 397 |  | Inquiry | 
 
                        Chip 1 Exchange
                        
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | MCHIP | AVAILABLE | 5200 |  | Inquiry | 
 
                        RX Electronics Limited
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Micrel / Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP Embedded - Microcontrollers | 353 |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | AT | Integrated Circuit ; DC:21+ ; TQFP44 ; 100% original goods Electronical components   Integrated Circuit | 2300 |  | Inquiry | 
 
                        Ariat Technology
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | ||
|---|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP New Original Stock. | 3521 | 
 | Inquiry | 
 
                        YIC International Co., Limited
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 2001 | 
 | Inquiry | 
 
                        GlobalTek Components
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA64420AUR | MICROCHIP | OEM/CM QUOTES ONLY | NO BROKERS | 2300 |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | IC MCU 8BIT 64KB FLASH 44TQFP | 3702 |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Atmel | DC:21+ | 833 |  | Inquiry | 
 
                        Nexxon, Inc. (USA)
                        
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Microchip Technology | In Stock |  | Inquiry | ||
| ATMEGA644-20AUR | Atmel | In Stock |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | AT | Original stock,24-hour delivery | 13039 |  | Inquiry | |
| ATMEGA644-20AUR | ATMEL | Original stock,24-hour delivery | 26623 |  | Inquiry | 
 
                        IC Components Limited
                        
                        
                                Certificates
                        
                    | Part # | Manufacturer | Description | Stock | Price | Buy | ||
|---|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Atmel (Microchip Technology) | IC MCU 8BIT 64KB FLASH 44TQFP | 800 | 
 | Buy | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | 0 |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA64420AUR sku #: ATMEGA64420AUR | 822 |  | Inquiry | 
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| ATMEGA644-20AUR | Atmel | TQFP ; DC:18+17+ | 34000 |  | Inquiry | 
See Also:
            
            
                ATMEGA644-20AU
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                ATMEGA644V-10AUR
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                ATMEGA644P-20AQ
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                ATMEGA64A-AUR
                ATMEGA644PV-10AUR
                ATMEGA324P-20AUR
                ATMEGA649-16AUR
                ATMEGA644PA-AUR
                ATMEGA644V-10MUR
                ATMEGA640-16AUR
                ATMEGA644P-20MQR
                ATMEGA645-16AUR
                ATMEGA64420MU
                ATMEGA88-20AUR
                ATMEGA48-20MUR
                ATMEGA48-20AU
                ATMEGA48P-20AUR
                ATMEGA644P-20MU
                ATMEGA88P-20AUR
                ATMEGA644V-10AU
                ATMEGA168-20AUR
                ATMEGA644V10AU
                ATMEGA64L-8AUR
                ATMEGA644P-20PU
                ATMEGA64-16AUR
                ATMEGA644A-AUR
                ATMEGA168-20AU
                ATMEGA644PAAU
                ATMEGA64A-8AU
                ATMEGA64A-16AU
                ATMEGA6490A-AUR
                ATMEGA649-16MUR
                ATMEGA644AAU
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