Microchip Technology ATMEGA644PA-MUR MCU QUAD 4K x 8 1.8V~5.5V
ATMEGA644PA-MUR
1610-488-ATMEGA644PA-MUR
44-VFQFN Exposed Pad
RoHS Compliant
Core Size: 8-Bit,Package / Case: 44-VFQFN Exposed Pad,Series: AVR® ATmega,Frequency: 20MHz,Program Memory Size: 64KB 32K x 16
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ATMEGA644PA-MUR Tech Specifications
Microchip ATMEGA644PA-MUR 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 | 7 Weeks | |
| Contact Plating | Tin | |
| Mount | Surface Mount | |
| Mounting Type | Surface Mount | |
| Package / Case | 44-VFQFN Exposed Pad | |
| 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 | Tape & Reel (TR) | |
| Series | AVR® ATmega | |
| Published | 2008 | |
| JESD-609 Code | e3 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Number of Terminations | 44Terminations | |
| Terminal Position | QUAD | |
| Terminal Form | NO LEAD | |
| Peak Reflow Temperature (Cel) | 260 | |
| Terminal Pitch | 0.5mm | |
| Frequency | 20MHz | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Base Part Number | ATMEGA644PA | |
| Qualification Status | Not Qualified | |
| Supply Voltage-Max (Vsup) | 5.5V | |
| Power Supplies | 2/5V | |
| Supply Voltage-Min (Vsup) | 1.8V | |
| Interface | I2C, SPI, UART, USART |
| Product Attribute | Attribute Value | |
|---|---|---|
| Memory Size | 64kB | |
| Oscillator Type | Internal | |
| 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 | |
| PWM Channels | YES | |
| DAC Channels | NO | |
| Number of Timers/Counters | 3Timers/Counters | |
| EEPROM Size | 2K x 8 | |
| On Chip Program ROM Width | 16 | |
| Boundary Scan | YES | |
| Low Power Mode | YES | |
| Format | FIXED-POINT | |
| Integrated Cache | NO | |
| RAM (words) | 4096 | |
| Number of Serial I/Os | 2Serial I/Os | |
| Number of External Interrupts | 3External Interrupts | |
| On Chip Data RAM Width | 8 | |
| Length | 7mm | |
| Height Seated (Max) | 1mm | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
ATMEGA644PA-MUR Documents
Download datasheets and manufacturer documentation for ATMEGA644PA-MUR
PCN Obsolescence/ EOL
Fab Site 22/Jan/2020PCN Other
MSL Revision A 26/Mar/2014PCN 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 | 3000 |
| 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 | 6540 |
| ATMEGA644PA-MN | Microchip Technology | 44-VFQFN Exposed Pad | 360 |
| ATMEGA644PA-AN | Microchip Technology | 44-TQFP | 1310 |
| ATMEGA644P-A15MZ | Microchip Technology | 44-VFQFN Exposed Pad | 3600 |
| ATMEGA644P-A15AZ | Microchip Technology | 44-TQFP | |
| ATMEGA644PA-AUR | Microchip Technology | 44-TQFP | 1058 |
| ATMEGA644PA-MNR | Microchip Technology | 44-VFQFN Exposed Pad | 720 |
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| Part # | Manufacturer | Description | Package | RoHS | |
|---|---|---|---|---|---|
 | ATMEGA644PA-MUR | Microchip Technology | MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin VQFN EP T/R | 44-VFQFN Exposed Pad | |
| ATMEGA164PA-MU | Microchip Technology | MCU 8-bit ATmega AVR RISC 16KB Flash 2.5V/3.3V/5V 44-Pin VQFN EP | 44-VFQFN Exposed Pad | |
| ATMEGA324PA-MUR | Microchip Technology | 8-bit Microcontrollers - MCU AVR 32KB FLSH 1KB EE 2KB SRAM-20MHz IND | 44-VFQFN Exposed Pad | |
| ATMEGA1284-MU | Microchip Technology | IC MCU 8BIT 128KB FLASH 44VQFN | 44-VFQFN Exposed Pad |
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Shopping Guide
Shipping | Delivery Period | Packages will be arranged for delivery within 1-2 days from the date of all items arrive at our warehouse. In stock items can be shipped out within 24 hours. Delivery Time depends on Shipping Method and Delivery Destinations. |
Shipping Rate | Shipping rate is based on size, weight, destination of the package. MOST offers competitive shipping options through top carriers DHL, FedEx and UPS. We also offer shipping account services for customers who wish to be billed directly for shipping. | |
Shipping Methods | | |
Shipping Tracking | Once the components are delivered, the tracking number will be notified via email immediately. The tracking number also could be found in order history. | |
Returning | Returning | All returns should be made within 60 days of date of invoice and be accompanied by the original invoice number, certificate of guarantee card, parts picture and a brief explanation or test report of the reason for the return. Returns will not be accepted after 60 days. Returned merchandise must be in original packaging and in resalable condition. Parts returned due to customer error at time of quote or sale will not be accepted. Please contact customer service for a return authorization before return shipment. |
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ATMEGA644PA-MUR Comments
109 reviews
2022-03-31 00:00:00
when you need to connect this kind of port, this product makes it very easy.
2022-03-26 00:00:00
Very satisfied and will continue to repurchase.
2022-02-24 00:00:00
Both product and code works as expected.
2022-02-17 00:00:00
The product quality met expectations, nothing extraordinary but satisfactory. The website interface is functional, could be improved for a smoother shopping experience.
2022-02-04 00:00:00
Quick order processing and fast delivery
2021-12-31 00:00:00
Ya good and arrive on time. thank you so much
2021-11-30 00:00:00
he Capacitance box works great and exactly how I expected it to, but the design of the Resistance & Inductance boxes is very different and requires reading the datasheet to understand how they are supposed to work.
2021-11-23 00:00:00
no complaints so far.
2021-10-08 00:00:00
Pricing was moderate, reflecting standard market rates.
2021-09-15 00:00:00
They have a wide selection of products and competitive prices. Despite some minor issues, their customer service team solved my problem and maintained good communication.