Datasheets
ATMEGA644P-20AU by:

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44

Part Details for ATMEGA644P-20AU by Atmel Corporation

Overview of ATMEGA644P-20AU by Atmel Corporation

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Applications Consumer Electronics Internet of Things (IoT) Industrial Automation Smart Cities

Price & Stock for ATMEGA644P-20AU

Part # Distributor Description Stock Price Buy
Bristol Electronics   Min Qty: 1 30
  • 1 $8.9600
  • 4 $5.8240
  • 10 $4.4800
  • 29 $4.1816
$4.1816 / $8.9600 Buy Now
Quest Components 8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP44 24
  • 1 $12.0000
  • 2 $8.0000
  • 4 $6.0000
$6.0000 / $12.0000 Buy Now
Chip1Cloud IC MCU 8BIT 64KB FLASH 44TQFP / MCU 8-bit AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP Tray 2900
RFQ

Part Details for ATMEGA644P-20AU

ATMEGA644P-20AU CAD Models

ATMEGA644P-20AU Part Data Attributes:

ATMEGA644P-20AU Atmel Corporation
Buy Now Datasheet
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ATMEGA644P-20AU Atmel Corporation RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44
Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer ATMEL CORP
Part Package Code QFP
Package Description 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44
Pin Count 44
Reach Compliance Code compliant
HTS Code 8542.31.00.01
Core Architecture AVR
Device Core AVR
Clock Speed 20
Ram 4
Flash Memory 64
Can 0
Adc Channels 8
Adc Resolution 10
Samacsys Manufacturer Microchip
Has ADC YES
Additional Feature IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V
Address Bus Width
Bit Size 8
CPU Family AVR RISC
Clock Frequency-Max 8.1 MHz
DAC Channels NO
DMA Channels NO
External Data Bus Width
JESD-30 Code S-PQFP-G44
Length 10 mm
Moisture Sensitivity Level 3
Number of I/O Lines 32
Number of Terminals 44
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 TQFP
Package Equivalence Code TQFP44,.47SQ,32
Package Shape SQUARE
Package Style FLATPACK, THIN PROFILE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
RAM (bytes) 4096
ROM (words) 65536
ROM Programmability FLASH
Seated Height-Max 1.2 mm
Speed 20 MHz
Supply Current-Max 9 mA
Supply Voltage-Max 5.5 V
Supply Voltage-Min 4.5 V
Supply Voltage-Nom 5 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Form GULL WING
Terminal Pitch 0.8 mm
Terminal Position QUAD
Width 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC

Alternate Parts for ATMEGA644P-20AU

This table gives cross-reference parts and alternative options found for ATMEGA644P-20AU. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of ATMEGA644P-20AU, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
ATMEGA644P-20AN RISC Microcontroller Microchip Technology Inc ATMEGA644P-20AU vs ATMEGA644P-20AN
ATMEGA644P-20ANR RISC Microcontroller Microchip Technology Inc ATMEGA644P-20AU vs ATMEGA644P-20ANR
ATMEGA644P-20AUR RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644P-20AU vs ATMEGA644P-20AUR
Part Number Description Manufacturer Compare
ATMEGA644-20AUR RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644P-20AU vs ATMEGA644-20AUR
ATMEGA644-20AU RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM THICKNESS, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644P-20AU vs ATMEGA644-20AU
ATMEGA644P-20AUR RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644P-20AU vs ATMEGA644P-20AUR
ATMEGA644PA-AU RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644P-20AU vs ATMEGA644PA-AU
ATMEGA164P-20AU RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644P-20AU vs ATMEGA164P-20AU
ATMEGA644PA-AUR RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644P-20AU vs ATMEGA644PA-AUR
ATMEGA644P-A15AZ RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, TQFP-44 Atmel Corporation ATMEGA644P-20AU vs ATMEGA644P-A15AZ

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