Microchip Technology ATMEGA644PA-AU MCU QUAD 4K x 8 1.8V~5.5V
ATMEGA644PA-AU
1610-488-ATMEGA644PA-AU
44-TQFP
RoHS Compliant
Core Size: 8-Bit,Package / Case: 44-TQFP,Series: AVR® ATmega,Frequency: 20MHz,Program Memory Size: 64KB 32K x 16
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ATMEGA644PA-AU Tech Specifications
Microchip ATMEGA644PA-AU technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI1084-A-GM.
| Product Attribute | Attribute Value | |
|---|---|---|
| Category | Embedded - Microcontrollers | |
| Manufacturer | Microchip | |
| Factory Lead Time | 6 Weeks | |
| Mount | Surface Mount | |
| Mounting Type | Surface Mount | |
| Package / Case | 44-TQFP | |
| Number of Pins | 44Pins | |
| Data Converters | A/D 8x10b | |
| Number of I/Os | 32I/Os | |
| Watchdog Timers | Yes | |
| Operating Temperature | -40°C~85°C TA | |
| Packaging | Tray | |
| Series | AVR® ATmega | |
| Published | 2006 | |
| JESD-609 Code | e3 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Number of Terminations | 44Terminations | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Position | QUAD | |
| Terminal Form | GULL WING | |
| Peak Reflow Temperature (Cel) | 260 | |
| Frequency | 20MHz | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Base Part Number | ATMEGA644PA | |
| Supply Voltage-Max (Vsup) | 5.5V | |
| Power Supplies | 2/5V | |
| Interface | 2-Wire, I2C, SPI, UART, USART | |
| Memory Size | 64kB | |
| Oscillator Type | Internal |
| Product Attribute | Attribute Value | |
|---|---|---|
| RAM Size | 4K x 8 | |
| Voltage - Supply (Vcc/Vdd) | 1.8V~5.5V | |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | |
| Core Processor | AVR | |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | |
| Program Memory Type | FLASH | |
| Core Size | 8-Bit | |
| Program Memory Size | 64KB 32K x 16 | |
| Connectivity | I2C, SPI, UART/USART | |
| Bit Size | 8 | |
| Has ADC | YES | |
| DMA Channels | NO | |
| Data Bus Width | 8b | |
| Number of Timers/Counters | 3Timers/Counters | |
| EEPROM Size | 2K x 8 | |
| Boundary Scan | YES | |
| Low Power Mode | YES | |
| Format | FIXED-POINT | |
| Integrated Cache | NO | |
| Number of ADC Channels | 8ADC Channels | |
| Number of Serial I/Os | 2Serial I/Os | |
| Number of External Interrupts | 3External Interrupts | |
| Number of PWM Channels | 6PWM Channels | |
| Number of I2C Channels | 1I2C Channel | |
| Height | 1.05mm | |
| Length | 10.1mm | |
| Width | 10.1mm | |
| REACH SVHC | No SVHC | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
ATMEGA644PA-AU Documents
Download datasheets and manufacturer documentation for ATMEGA644PA-AU
PCN Obsolescence/ EOL
Fab Site 22/Jan/2020PCN Design/Specification
ATMEGA Datasheet 11/Dec/2018 ATmega164A/PA/324A/PA/644A/PA/1284/P 20/Jan/2020PCN Packaging
Transfer to Microchip/Label/Pkg 5/Sep/2016 MBB/Label Chgs 16/Nov/2018ConflictMineralStatement
Microchip-company-68.pdfDatasheets
ATMEGA164,324,644,1284(A,P,PA) Datasheet
Others include "ATMEG" parts
The following parts include 'ATMEG'
| Part # | Manufacturer | Package | Availability |
|---|---|---|---|
| ATMEGA644PA-AU | Microchip Technology | 44-TQFP | 20000 |
| ATMEGA644PA-PU | Microchip Technology | 40-DIP (0.600, 15.24mm) | 3800 |
| ATMEGA644PA-MUR | Microchip Technology | 44-VFQFN Exposed Pad | 50000 |
| ATMEGA644PA-MU | Microchip Technology | 44-VFQFN Exposed Pad | 720 |
| ATMEGA644PA-MN | Microchip Technology | 44-VFQFN Exposed Pad | 13 |
| ATMEGA644PA-AN | Microchip Technology | 44-TQFP | 66 |
| ATMEGA644P-A15MZ | Microchip Technology | 44-VFQFN Exposed Pad | 1946 |
| ATMEGA644P-A15AZ | Microchip Technology | 44-TQFP | |
| ATMEGA644PA-AUR | Microchip Technology | 44-TQFP | 10006 |
| ATMEGA644PA-MNR | Microchip Technology | 44-VFQFN Exposed Pad | 720 |
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| Part # | Manufacturer | Description | Package | RoHS | |
|---|---|---|---|---|---|
 | ATMEGA644PA-AU | Microchip Technology | MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP | 44-TQFP | |
| ATMEGA324A-AUR | Microchip Technology | IC MCU 8BIT 32KB FLASH 44TQFP | 44-TQFP | |
| ATMEGA324A-AU | Microchip Technology | IC MCU 8BIT 32KB FLASH 44TQFP | 44-TQFP | |
| ATMEGA1284-AU | Microchip Technology | IC MCU 8BIT 128KB FLASH 44TQFP | 44-TQFP |
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ATMEGA644PA-AU Comments
109 reviews
2024-03-06 00:00:00
I've recommended jakelectronics to my colleagues
2024-03-04 15:56:56
The selection of electronic components provided by jakelectronic is extensive, and the prices are relatively budget-friendly.
2024-02-21 00:00:00
The quality and price of electronic components are OK
2024-01-24 00:00:00
Overall, it was good
2024-01-12 00:00:00
Jakelectronics is a reliable supplier, though there is room for improvement in certain areas.
2024-01-10 00:00:00
Excellent seller, always ready to help.
2024-01-03 00:00:00
Useful. It has helped my business performance considerably, especially during COVID-19 when supply chains were heavily impacted.
2023-11-28 00:00:00
Whether common components or some special parts, they can all be found on this platform.
2023-11-22 00:00:00
I have purchased electronic components from jakelectronic several times and found that the quality of their products is consistent.
2023-11-21 00:00:00
I particularly like their regular promotions and discount events, which allow me to purchase the components I need at a more favorable price.