Atmel ATMEGA644-20PU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 40-Pin PDIP

Brand

Family 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

Pulse Width Modulation

1(6 Channel)

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