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For Reference Only
| Part Number | ATMEGA644A-AU |
| OEMstron Part # | ATMEGA644A-AU |
| Manufacturer | Microchip Technology |
| Category | Semiconductors › Embedded Processors & Controllers › Microcontrollers |
| Description | IC MCU 8BIT 64KB FLASH 44TQFP |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | ATMEGA644A-AU PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | May 4 - May 9 (Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |  |
| Shipping |  |
ATMEGA644A-AU Specifications
| Part Number | ATMEGA644A-AU | |
| 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) | 1.8V ~ 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) |
ATMEGA644A-AU Documents
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Global Supply Chains - Reliable and Authorized Distributor Resources
| Part Number | Description | Stock |
|
ATMEGA644A-AU D# V99:2348_07151049 Microchip Technology Inc |
MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP Tray RoHS: Compliant
|
Americas - 320 |
|
ATMEGA644A-AUR D# V72:2272_07147036 Microchip Technology Inc |
MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R RoHS: Compliant
|
Americas - 8 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU D# ATMEGA644A-AU Microchip Technology Inc |
MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP - Trays (Alt: ATMEGA644A-AU) |
Americas - 136 |
|
ATMEGA644A-AUR D# ATMEGA644A-AUR Microchip Technology Inc |
MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R - Tape and Reel (Alt: ATMEGA644A-AUR) |
Americas - 0 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU D# ATMEGA644A-AU Microchip Technology Inc |
MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP (Alt: ATMEGA644A-AU) |
Asia - 0 |
| Part Number | Description | Stock |
|
ATMEGA644A-AUR D# ATMEGA644A-AUR Microchip Technology Inc |
MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R (Alt: ATMEGA644A-AUR) |
Europe - 0 |
|
ATMEGA644A-AU D# ATMEGA644A-AU Microchip Technology Inc |
MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP (Alt: ATMEGA644A-AU) |
Europe - 81 |
| Part Number | Description | Stock |
|
ATMEGA644A-AUR Atmel Corporation |
IC MCU 8BIT 64KB FLASH 44TQFP |
Contact Us |
|
ATMEGA644A-AU Atmel Corporation |
MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44 |
474 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU D# ATMEGA644A-AU-ND Microchip Technology Inc |
IC MCU 8BIT 64KB FLASH 44TQFP |
40 In Stock |
|
ATMEGA644A-AUR D# ATMEGA644A-AURCT-ND Microchip Technology Inc |
IC MCU 8BIT 64KB FLASH 44TQFP |
2721 In Stock |
| Part Number | Description | Stock |
|
ATMEGA644A-AU Atmel Corporation |
In stock shipping within 2days |
1700 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU D# 1972104 Microchip Technology Inc |
MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44 RoHS: Compliant
Min Qty: 1
Container: Each
|
3296 |
|
ATMEGA644A-AUR D# 3131849 Microchip Technology Inc |
MCU, 8BIT, 20MHZ, TQFP-44 RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
1956 |
| Part Number | Description | Stock |
|
ATMEGA644A-AUR Microchip Technology Inc |
RoHS: Compliant
pbFree: Yes
|
0 |
|
ATMEGA644A-AU Microchip Technology Inc |
ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - TQFP-44 RoHS: Compliant
pbFree: Yes
|
72 Tray |
| Part Number | Description | Stock |
|
ATMEGA644AAU ATMEL CORPORATION |
OEM/CM QUOTES ONLY | NO BROKERS |
2116 |
|
ATMEGA644AAUR Atmel Corporation |
OEM/CM QUOTES ONLY | NO BROKERS |
4370 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU Microchip Technology Inc |
AVR - ATmega - Microcontroller - IC 8 Bit - 20MHz - 64KB (32K x 16) - FLASH RoHS: Not Compliant
|
71 In Stock 320 On Order |
| Part Number | Description | Stock |
|
ATMEGA644A-AUR D# ATMEGA644A-AUR Microchip Technology Inc |
20 MHz TQFP Ind Temp Green T&R RoHS: Compliant
pbFree: Yes
|
Temporarily Out of Stock – Alternates Available |
|
ATMEGA644A-AU D# ATMEGA644A-AU Microchip Technology Inc |
20 MHz TQFP Ind. Temp Green RoHS: Compliant
pbFree: Yes
|
5600 - Alternates Available |
| Part Number | Description | Stock |
|
ATMEGA644A-AU Atmel Corporation |
OEM/CM Immediate delivery |
1700 |
| Part Number | Description | Stock |
|
ATMEGA644A-AUR D# 556-ATMEGA644A-AUR Microchip Technology Inc |
8-bit Microcontrollers - MCU 20 MHz Ind Temp RoHS: Compliant
|
300 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU Microchip Technology Inc |
20 MHz, TQFP, Ind. Temp, Green - Package: 44 TQFP 10x10x1mm TRAY RoHS: Compliant
|
0 in Stock 0 on Order |
|
ATMEGA644A-AUR Microchip Technology Inc |
20 MHz, TQFP, Ind Temp, Green, T&R - Package: 44 TQFP 10x10x1mm T/R RoHS: Compliant
|
0 in Stock 0 on Order |
| Part Number | Description | Stock |
|
ATMEGA644A-AUR D# MCHP00000005669 Microchip Technology Inc |
20 MHz, TQFP, Ind Temp, Green, T&R - Package: 44 TQFP 10x10x1mm T/R |
0 |
|
ATMEGA644A-AU D# MCHP00000005668 Microchip Technology Inc |
20 MHz, TQFP, Ind. Temp, Green - Package: 44 TQFP 10x10x1mm TRAY |
0 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU D# 27AC0579 Microchip Technology Inc |
20 MHZ, TQFP, IND. TEMP, GREEN ROHS COMPLIANT: YES RoHS: Compliant
Min Qty: 160
Container: Bulk
|
0 |
|
ATMEGA644A-AUR D# 68T3100 Microchip Technology Inc |
20 MHZ, TQFP, IND TEMP, GREEN, T&R, 44 TQFP 10X10X1MM T/R ROHS COMPLIANT: YES RoHS: Compliant
Min Qty: 2000
Container: TAPE & REEL - FULL
|
0 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU D# NS-ATMEGA644A-AU Atmel Corporation |
OEM/CM ONLY |
4990 |
|
ATMEGA644A-AUR D# NS-ATMEGA644A-AUR Atmel Corporation |
OEM/CM ONLY |
8871 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU Microchip Technology Inc |
AVR - ATmega - Microcontroller - IC 8 Bit - 20MHz - 64KB (32K x 16) - FLASH RoHS: Not Compliant
|
71 In Stock 320 On Order |
| Part Number | Description | Stock |
|
ATMEGA644A-AU Atmel Corporation |
ATMEGA644 - RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU RoHS: Compliant
|
4 |
| Part Number | Description | Stock |
|
ATMEGA644AAU Atmel Corporation |
OEM/CM ONLY |
2736 |
|
ATMEGA644AAUR Atmel Corporation |
OEM/CM ONLY |
5316 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU Atmel Corporation |
IN stock Immediate delivery |
1715 |
| Part Number | Description | Stock |
|
ATMEGA644A-AUR ATM |
shipping today |
996 |
|
ATMEGA644A-AU Microchip Technology Inc |
shipping today |
941 |
| Part Number | Description | Stock |
|
ATMEGA644A-AUR D# 25765224 Microchip Technology Inc |
MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R RoHS: Compliant
|
Americas - 8 |
|
ATMEGA644A-AU D# 53705283 Microchip Technology Inc |
MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP Tray RoHS: Compliant
|
Americas - 320 |
| Part Number | Description | Stock |
|
ATMEGA644A-AU Microchip Technology Inc |
IC MCU 8BIT 64KB FLASH 44TQFP / 8-bit Microcontroller with 16/32/64/128K Bytes In-System Programmable Flash |
942 |
| Part Number | Description | Stock |
|
ATMEGA644A-AUR D# 3131849 Microchip Technology Inc |
MCU, 8BIT, 20MHZ, TQFP-44 RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
1751 |
|
ATMEGA644A-AU D# 1972104 Microchip Technology Inc |
MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44 RoHS: Compliant
Min Qty: 1
Container: Each
|
3301 |
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Quick Inquiry
| In Stock | 483 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | Can Ship Immediately |
| Minimum | 1 |
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Pricing (USD)
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $ 6.4403 | $ 6.4403 |
| 100 | $ 6.4403 | $ 644.0300 |
| 500 | $ 6.4403 | $ 3,220.1500 |
| 1000 | $ 6.4403 | $ 6,440.3000 |
| 2500 | $ 6.4403 | $ 16,100.7500 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
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