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ATMEGA644P-20AU

ATMEGA644P-20AU
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For Reference Only

Part Number ATMEGA644P-20AU
OEMstron Part # ATMEGA644P-20AU
Manufacturer Microchip Technology
Category SemiconductorsEmbedded Processors & ControllersMicrocontrollers
Description IC MCU 8BIT 64KB FLASH 44TQFP
Lifecycle Active
RoHS No RoHS Information
EDA/CAD Models ATMEGA644P-20AU PCB Footprint and Symbol
Warehouses USA, Europe, China, Hong Kong SAR
Estimated Delivery Mar 19 - Mar 24 (Choose Expedited Shipping)
Warranty Up to 1 year [Limited-Warranty]*
Payment Wire Transfer, UnionPay, PayPal, Credit Card, Visa, MasterCard, AmericanExpress, Discover, WesternUnion, MoneyGram
Shipping DHL, UPS, FedEx, TNT, EMS, & More Express Delivery

ATMEGA644P-20AU Specifications

Part Number ATMEGA644P-20AU
Brand Microchip Technology
Lifecycle Active
RoHS No RoHS Information
Product Line Semiconductors
Category Embedded Processors & Controllers
Subcategory Microcontrollers
Manufacturer Microchip Technology
Series AVR® ATmega
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 32
Program Memory Size 64KB (32K x 16)
Program Memory Type FLASH
EEPROM Size 2K x 8
RAM Size 4K x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 44-TQFP
Supplier Device Package 44-TQFP (10x10)

ATMEGA644P-20AU Documents

Industry Leaders in Quality

Industry Leaders in Quality

Cooperation comes from trust,

And trust is based on quality.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number Description Stock

ATMEGA644P-20AUR

D# V72:2272_07145135

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP T/R

RoHS: Compliant
Americas - 1965

ATMEGA644P-20AU

D# V99:2348_07145275

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP Tray

RoHS: Compliant
Americas - 0
Part Number Description Stock

ATMEGA644P-20AUR

D# ATMEGA644P-20AUR

Atmel Corporation

MCU 8-Bit ATMEGA644P AVR RISC 64KB Flash 2.7V to 5.5V 44-Pin TQFP T/R - Bulk (Alt: ATMEGA644P-20AUR)

Americas - 21750

ATMEGA644P-20AU

D# ATMEGA644P-20AU

Atmel Corporation

MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP - Bulk (Alt: ATMEGA644P-20AU)

Americas - 1999
Part Number Description Stock

ATMEGA644P-20AU

D# ATMEGA644P-20AU

Microchip Technology Inc

MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP (Alt: ATMEGA644P-20AU)

Europe - 80

ATMEGA644P-20AUR

D# ATMEGA644P-20AUR

Microchip Technology Inc

MCU 8-Bit ATMEGA644P AVR RISC 64KB Flash 2.7V to 5.5V 44-Pin TQFP T/R (Alt: ATMEGA644P-20AUR)

Europe - 0
Part Number Description Stock

ATMEGA644P-20AUR

Atmel Corporation

Atmel ATMEGA644P-20AUR

49979

ATMEGA644P-20AU

Atmel Corporation

MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44

17
Part Number Description Stock

ATMEGA644P-20AU

D# C1S124600167908

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V

RoHS: Compliant
pbFree: Yes
Min Qty: 1
Container: Bulk
67

ATMEGA644P-20AUR

D# C1S124600213535

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V, T&R

RoHS: Compliant
pbFree: Yes
Min Qty: 1
24
Part Number Description Stock

ATMEGA644P-20AUR

D# ATMEGA644P-20AURCT-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

937 In Stock

ATMEGA644P-20AU

D# ATMEGA644P-20AU-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

1821 In Stock
Part Number Description Stock

ATMEGA644P20AU

D# ATMEGA644P20AU

Atmel Corporation

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

778
Part Number Description Stock

ATMEGA644P-20AU

Microchip Technology Inc

In stock shipping within 2days

21770

ATMEGA644P-20AUR

Microchip Technology Inc

In stock shipping within 2days

21771
Part Number Description Stock

ATMEGA644P-20AUR.

D# 2695540

Microchip Technology Inc

MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 2000
Container: Cut Tape
0

ATMEGA644P-20AUR

D# 3131897RL

Microchip Technology Inc

MCU, 8BIT, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Reel
0

ATMEGA644P-20AU

D# 1455121

Microchip Technology Inc

MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Each
982
Part Number Description Stock

ATMEGA644P-20AU

Microchip Technology Inc

ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - TQFP-44

RoHS: Compliant
pbFree: Yes
320 Tray

ATMEGA644P-20AUR

Microchip Technology Inc

ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - TQFP-44

RoHS: Compliant
pbFree: Yes
0 Reel
Part Number Description Stock

ATMEGA644P20AU

Atmel Corporation

OEM/CM QUOTES ONLY | NO BROKERS

6900

ATMEGA644P20AUR

Atmel Corporation

OEM/CM QUOTES ONLY | NO BROKERS

17324

ATMEGA644P20AUPROG

ATMEL CORPORATION

OEM/CM QUOTES ONLY | NO BROKERS

44
Part Number Description Stock

ATMEGA644P-20AU

Microchip Technology Inc

MCU 8-bit - AVR ATmega Family ATmega64 Series Microcontrollers - 64KB Flash - 20 MHz - 3.3V/5V - 44-Pin.

RoHS: Not Compliant
1572 In Stock
Part Number Description Stock

ATMEGA644P-20AU

D# ATMEGA644P-20AU

Microchip Technology Inc

20MHZ TQFP IND TEMP GREEN 5V

RoHS: Compliant
pbFree: Yes
3031 - Alternates Available

ATMEGA644P-20AUR

D# ATMEGA644P-20AUR

Microchip Technology Inc

20MHZ TQFP IND TEMP GREEN 5V T&R

RoHS: Compliant
pbFree: Yes
4000 - Alternates Available
Part Number Description Stock

ATMEGA644P-20AUR

Atmel Corporation

OEM/CM Immediate delivery

9061

ATMEGA644P-20AU

Microchip Technology Inc

OEM/CM Immediate delivery

960
Part Number Description Stock

ATMEGA644P-20AUR

D# 556-ATMEGA644P-20AUR

Microchip Technology Inc

8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V

RoHS: Compliant
202

ATMEGA644P-20AU

D# 556-ATMEGA644P-20AU

Microchip Technology Inc

8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V

RoHS: Compliant
299
Part Number Description Stock

ATMEGA644P-20AU

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V - Package: 44 TQFP 10x10x1mm TRAY

RoHS: Compliant
0 in Stock 0 on Order

ATMEGA644P-20AUR

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V, T&R - Package: 44 TQFP 10x10x1mm T/R

RoHS: Compliant
0 in Stock 0 on Order
Part Number Description Stock

ATMEGA644P-20AU

D# MCHP00000005675

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V - Package: 44 TQFP 10x10x1mm TRAY

0

ATMEGA644P-20AUR

D# MCHP00000005676

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V, T&R - Package: 44 TQFP 10x10x1mm T/R

0
Part Number Description Stock

ATMEGA644P-20AUR

D# 07AH6427

Microchip Technology Inc

MCU, 8BIT, 20MHZ, TQFP-44, Product Range:AVR Family ATmega644 Series Microcontrollers, CPU Speed:20MHz, Program Memory Size:64KB, RAM Memory Size:4KB, No. of Pins:44Pins, MCU Case Style:TQFP, No. of I/O s:32I/O s, Embedded Interface RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
304

ATMEGA644P-20AU

D# 29AC2593

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V ROHS COMPLIANT: YES

RoHS: Compliant
Min Qty: 160
Container: Bulk
0
Part Number Description Stock

ATMEGA644P-20AU

D# NS-ATMEGA644P-20AU

Atmel Corporation

OEM/CM ONLY

5148

ATMEGA644P-20AUR

D# NS-ATMEGA644P-20AUR

Atmel Corporation

OEM/CM ONLY

2062
Part Number Description Stock

ATMEGA644P-20AU

Microchip Technology Inc

MCU 8-bit - AVR ATmega Family ATmega64 Series Microcontrollers - 64KB Flash - 20 MHz - 3.3V/5V - 44-Pin.

RoHS: Not Compliant
1572 In Stock
Part Number Description Stock

ATMEGA644P-20AU

Atmel Corporation

8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP44

15
Part Number Description Stock

ATMEGA644P-20AU

D# 1310319P

Microchip Technology Inc

Microchip ATMEGA644P-20AU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 44-Pin TQFP, PU

Min Qty: 1
Container: Tray
0
Part Number Description Stock

ATMEGA644P-20AUR

Atmel Corporation

ATMEGA644 - RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU

RoHS: Compliant
21750

ATMEGA644P-20AU

Atmel Corporation

ATMEGA644 - RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU

RoHS: Compliant
1999
Part Number Description Stock

ATMEGA644P20AU

Atmel Corporation

OEM/CM ONLY

1584

ATMEGA644P20AUR

Atmel Corporation

OEM/CM ONLY

5157

ATMEGA644P20AUPROG

Atmel Corporation

OEM/CM ONLY

54
Part Number Description Stock

ATMEGA644P-20AU

Microchip Technology Inc

IN stock Immediate delivery

955

ATMEGA644P-20AUR

Atmel Corporation

IN stock Immediate delivery

9076
Part Number Description Stock

ATMEGA644P-20AUR

Atmel Corporation

shipping today

996

ATMEGA644P-20AU

Atmel Corporation

shipping today

2889
Part Number Description Stock

ATMEGA644P-20AU

D# 51806677

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP Tray

RoHS: Compliant
Americas - 1572

ATMEGA644P-20AUR

D# 51963321

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP T/R

RoHS: Compliant
Americas - 1965
Part Number Description Stock

ATMEGA644P-20AU

Atmel Corporation

RFQ

11535
Part Number Description Stock

ATMEGA644P-20AUR

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

10964

ATMEGA644P-20AU

Atmel Corporation

IC MCU 8BIT 64KB FLASH 44TQFP

2913
Part Number Description Stock

ATMEGA644P-20AUR.

D# 2695540

Microchip Technology Inc

MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
0

ATMEGA644P-20AUR

D# 3131897

Microchip Technology Inc

MCU, 8BIT, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
616

ATMEGA644P-20AU

D# 1455121

Microchip Technology Inc

MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Each
1010

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Pricing (USD)

Qty.Unit PriceExt. Price
1$ 7.7852$ 7.7852
100$ 7.7852$ 778.5200
500$ 7.7852$ 3,892.6000
1000$ 7.7852$ 7,785.2000
2500$ 7.7852$ 19,463.0000

OEMstron will offer the most competitive prices for you, please refer to the quotations.

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