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ATMEGA644-20PU - Microchip

Description: 8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins

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ATMEGA644-20PU - Microchip PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 40P6
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ATMEGA644-20PU - Microchip  - 3D model - Dual-In-Line Packages - 40P6
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ATMEGA644-20PU Details

  • Manufacturer Part Number:

    ATMEGA644-20PU

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Package Description:

    0.600 INCH, GREEN, PLASTIC, MS-011AC, DIP-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    PDIP-40

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.01

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    3

  • Has ADC:

    YES

  • Additional Feature:

    ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ

  • Bit Size:

    8

  • Boundary Scan:

    YES

  • CPU Family:

    AVR RISC

  • Clock Frequency-Max:

    16 MHz

  • DAC Channels:

    NO

  • DMA Channels:

    NO

  • Format:

    FIXED POINT

  • Integrated Cache:

    NO

  • JESD-30 Code:

    R-PDIP-T40

  • JESD-609 Code:

    e3

  • Length:

    52.324 mm

  • Low Power Mode:

    YES

  • Moisture Sensitivity Level:

    1

  • Number of External Interrupts:

    35

  • Number of I/O Lines:

    32

  • Number of Serial I/Os:

    1

  • Number of Terminals:

    40

  • Number of Timers:

    3

  • On Chip Data RAM Width:

    8

  • On Chip Program ROM Width:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • PWM Channels:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP40,.6

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • RAM (bytes):

    4096

  • ROM (words):

    65536

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    4.826 mm

  • Speed:

    20 MHz

  • Supply Current-Max:

    9 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    15.24 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER, RISC

ATMEGA644-20PU Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the ATMEGA644-20PU is 20 MHz.
  • The ATMEGA644-20PU has 64 KB of flash memory.
  • Yes, the ATMEGA644-20PU can operate at 3.3V, but it is not recommended as it is not a specified operating voltage. The recommended operating voltage is 4.5-5.5V.
  • The ATMEGA644-20PU has 32 programmable I/O pins.
  • No, the ATMEGA644-20PU does not have built-in USB support. However, it can be implemented using bit-banging or using an external USB controller.

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ATMEGA644-20PU Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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Part Image ATMEGA644-20PU Atmel Corporation

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDIP40