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Manufacturer Part #
ATMEGA644-20AU
ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - TQFP-44
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| Mfr. Name: | Microchip | ||||||||||
| Standard Pkg: | Product Variant Information section Available PackagingPackage Qty:160 per Tray Package Style:TQFP-44 Mounting Method:Surface Mount | ||||||||||
| Date Code: | |||||||||||
Microchip ATMEGA644-20AU - Product Specification
Shipping Information:
ECCN:
PCN Information:
Description of Change: Qualification of palladium coated copper with gold flash (CuPdAu) as a new bond wire material for selected AT42QT1481, AT42QT2640, AT89LP3240, AT89LP51, AT89LP51xxx, AT89LP52, AT89LP6440, AT89S8253, ATmega1284, ATmega1284P, ATmega16, ATmega16xx, ATmega32, ATmega32xx, ATmega644, ATMEGA644PA, ATmega85xx, ATxmega128xxx, ATxmega16xxxx, ATxmega32xxxx, ATxmega64xx, QT60326, QT6C1x, QT6C21 and QT6E22 device families available in 44L TQFP (10x10x1mm) package.Reason for Change: To improve productivity by qualifying palladium coated copper with gold flash (CuPdAu) as a new bond wire material.Estimated First Ship Date: 22 July 2025 (date code: 2530)
PCN Status: Final NotificationDescription of Change: Qualification of ASE9 as a new final test site for selected ATMEGA16xx, ATMEGA32xx, ATMEGA644xx, and ATMEGA85xx device families available in 44L TQFP (10x10x1mm) package.Reason for Change: To improve productivity by qualifying ASE9 as a new final test site.
PCN Status:Initial NotificationDescription of Change:Qualification of ASE9 as a new final test site for selected ATMEGA16xx, ATMEGA32xx, ATMEGA644xx, and ATMEGA85xx device families available in 44L TQFP (10x10x1mm) package.Reason for Change:To improve productivity by qualifying ASE9 as a new final test site.Change Implementation Status:In ProgressEstimated Qualification Completion Date:November 2023
Revision History:July 25, 2023: Issued initial notification.August 02, 2023: Re-issued initial notification to correct the typo error for LPI carrier tape data. Updated the PCN letter and ppt file to reflect that there are no dimensional changes in carrier tape.Description of Change:Qualification of ASE9 as a new final test site for selected ATMEGA16xx, ATMEGA32xx, ATMEGA644xx, and ATMEGA85xx device families available in 44L TQFP (10x10x1mm) package.Reason for Change:To improve productivity by qualifying ASE9 as a new final test site.
Revision History:June 24, 2022: Issued final notification. Attached is the qualification report and provided estimated first ship date by July 15, 2022.July 01, 2022: Re-issued final notification. Added MSL Classification Level and Tray comparison in Pre and Post change summary table. Added attachment file (ppt) for Tray comparison.Description of Change:Qualification of MTAI as a new assembly site for selected ATMEGA1284x, ATMEGA16xxx, ATMEGA32xxx, ATMEGA644xx and ATMEGA85x5x device families available in 44L TQFP (10x10x1mm) package.Reason for Change:To improve manufacturability and on-time delivery performance by qualifying MTAI as a new assembly site.
Description of Change:Qualification of MTAI as a new assembly site for selected ATMEGA1284x, ATMEGA16xxx, ATMEGA32xxx, ATMEGA644xx and ATMEGA85x5x device families available in 44L TQFP (10x10x1mm) package.'Reason for Change: To improve manufacturability and on-time delivery performance by qualifying MTAI as a new assembly site.Estimated First Ship Date: July 15, 2022 (date code: 2229)
Part Status:
Microchip ATMEGA644-20AU - Technical Attributes
| Family Name: | ATmega |
| Core Processor: | AVR |
| Program Memory Type: | Flash |
| Flash Size (Bytes): | 64kB |
| RAM Size: | 4kB |
| Speed: | 20MHz |
| No of I/O Lines: | 32 |
| InterfaceType / Connectivity: | I2C/SPI/UART/USART |
| Peripherals: | Brown-out Detect/POR/PWM/Reset/Watchdog |
| Supply Voltage: | 2.7V to 5.5V |
| Operating Temperature: | -40°C to +85°C |
| On-Chip ADC: | 8-chx10-bit |
| Watchdog Timers: | 1 |
| Package Style: | TQFP-44 |
| Mounting Method: | Surface Mount |
Features & Applications
Available Packaging
Package Qty:
160 per Tray
Package Style:
TQFP-44
Mounting Method:
Surface Mount
