Atmel ATMEGA644-20PU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 40-Pin PDIP
Technical Document
Specifications
Brand
AtmelFamily Name
ATmega
Package Type
PDIP
Mounting Type
Through Hole
Pin Count
40
Device Core
AVR
Data Bus Width
8bit
Program Memory Size
64 kB
Maximum Frequency
20MHz
RAM Size
2 kB, 4 kB
Number of PWM Units
1
Number of SPI Channels
1
Number of USART Channels
1
Number of UART Channels
0
Number of I2C Channels
1
Typical Operating Supply Voltage
2.7 → 5.5 V
Number of CAN Channels
0
Maximum Number of Ethernet Channels
0
Minimum Operating Temperature
-40 °C
Height
4.826mm
Number of LIN Channels
0
Dimensions
52.58 x 13.97 x 4.826mm
Program Memory Type
Flash
Length
52.58mm
ADCs
8 x 10 bit
Number of Ethernet Channels
0
Number of PCI Channels
0
Instruction Set Architecture
RISC
Number of ADC Units
1
Maximum Operating Temperature
+85 °C
Width
13.97mm
Pulse Width Modulation
1(6 Channel)
Product details
8-Bit megaAVR Microcontrollers, 32KB to 256KB Flash
Here at RS Components we have various megaAVR 8-bit microcontrollers from Atmel. Each of the microcontrollers is based on an enhanced RISC architecture and feature QTouch library support. All the microcontroller types have varying Kb of In-System Programmable Flash, EEPROM and SRAM as well as varying pin and package types.
Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450
Ideate. Create. Collaborate
JOIN FOR FREE
No hidden fees!
- Download and use our DesignSpark software for your PCB and 3D Mechanical designs
- View and contribute website content and forums
- Download 3D Models, Schematics and Footprints from more than a million products
Stock information temporarily unavailable.
Please check again later.
P.O.A.
Standard
1
P.O.A.
Standard
1
Ideate. Create. Collaborate
JOIN FOR FREE
No hidden fees!
- Download and use our DesignSpark software for your PCB and 3D Mechanical designs
- View and contribute website content and forums
- Download 3D Models, Schematics and Footprints from more than a million products
Technical Document
Specifications
Brand
AtmelFamily Name
ATmega
Package Type
PDIP
Mounting Type
Through Hole
Pin Count
40
Device Core
AVR
Data Bus Width
8bit
Program Memory Size
64 kB
Maximum Frequency
20MHz
RAM Size
2 kB, 4 kB
Number of PWM Units
1
Number of SPI Channels
1
Number of USART Channels
1
Number of UART Channels
0
Number of I2C Channels
1
Typical Operating Supply Voltage
2.7 → 5.5 V
Number of CAN Channels
0
Maximum Number of Ethernet Channels
0
Minimum Operating Temperature
-40 °C
Height
4.826mm
Number of LIN Channels
0
Dimensions
52.58 x 13.97 x 4.826mm
Program Memory Type
Flash
Length
52.58mm
ADCs
8 x 10 bit
Number of Ethernet Channels
0
Number of PCI Channels
0
Instruction Set Architecture
RISC
Number of ADC Units
1
Maximum Operating Temperature
+85 °C
Width
13.97mm
Pulse Width Modulation
1(6 Channel)
Product details
8-Bit megaAVR Microcontrollers, 32KB to 256KB Flash
Here at RS Components we have various megaAVR 8-bit microcontrollers from Atmel. Each of the microcontrollers is based on an enhanced RISC architecture and feature QTouch library support. All the microcontroller types have varying Kb of In-System Programmable Flash, EEPROM and SRAM as well as varying pin and package types.
Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450
Ideate. Create. Collaborate
JOIN FOR FREE
No hidden fees!
- Download and use our DesignSpark software for your PCB and 3D Mechanical designs
- View and contribute website content and forums
- Download 3D Models, Schematics and Footprints from more than a million products