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Model ATMEGA644-20PU

Description 8 MegaAVR ® Microcontrollers with 32KB to 256KB flash memory, Atmel offers multiple megaAVR 8-bit microcontrollers from Atmel at RS Components. Each microcontroller is based on an enhanced RISC architecture and has QTouch library support. All microcontroller types have different Kb of system programmable memory, EEPROM, and SRAM, as well as different pin and package types. **MegaAVR 8-bit microcontroller type** ATmega32 ATmega64 ATmega128 ATmega324 ATmega325 ATmega406 ATmega640 ATmega644 ATmega645 ATmega1280 ATmega1281 ATmega1284 ATmega2560 ATmega2561 ATmega3250 ATmega6450

Brand: ATMEL

Packaging DIP-40

Delivery time

Packaging method Each

Standard packaging quantity 1

5+:

$ 34.9385

50+:

$ 33.4454

200+:

$ 32.6093

500+:

$ 32.4003

1000+:

$ 32.1912

2500+:

$ 31.9523

5000+:

$ 31.8030

7500+:

$ 31.6537

Price	$ 34.9385	$ 33.4454	$ 32.6093	$ 32.4003	$ 32.1912
Start batch production	5+	50+	200+	500+	1000+

Freight charges： In stock Freight rate：$13.00

Quantity：

Inventory(1523) Minimum order quantity(5)

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Technical parameters/frequency: 20 MHz

Technical parameters/power supply voltage (DC): 5.00 V, 5.50 V (max)

Technical parameters/working voltage: 1.8V ~ 5.5V

Technical parameters/number of pins: 40

Technical parameters/clock frequency: 20.0 MHz

Technical parameters/RAM size: 4 KB

Technical parameters/digits: 8

Technical parameters/FLASH memory capacity: 64 KB

Technical parameters/I/O pin count: 32

Technical parameters/access time: 20.0 µs

Technical parameters/kernel architecture: AVR

Technical parameters/Analog to Digital Conversion (ADC): 1

Technical parameters/input/output numbers: 32 Input

Technical parameters/operating temperature (Max): 85 ℃

Technical parameters/operating temperature (Min): -40 ℃

Technical parameters/power supply voltage: 1.8.5.5 V

Technical parameters/power supply voltage (Max): 5.5 V

Technical parameters/power supply voltage (Min): 2.7 V

Encapsulation parameters/installation method: Through Hole

Package parameters/number of pins: 40

Encapsulation parameters/Encapsulation: DIP-40

External dimensions/length: 52.58 mm

External dimensions/width: 13.97 mm

External dimensions/height: 4.826 mm

External dimensions/packaging: DIP-40

Physical parameters/operating temperature: -40℃ ~ 85℃

Other/Product Lifecycle: Active

Other/Packaging Methods: Each

Other/Manufacturing Applications: Computers & Computer Peripherals, Computers and computer peripherals, Industrial, Industrial

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: Lead Free

Compliant with standards/REACH SVHC standards: No SVHC

Compliant with standard/REACH SVHC version: 2015/06/15

Alternative material

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