IC MCU 8BIT 64KB FLASH 44VQFN Product overview: ATMEGA644P-20MU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 64KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 64KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATMEGA644P-20MU can be used for catalog matching and distributor lookup.
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)
IC MCU 8BIT 64KB FLASH 44VQFN
8 bit Microcontroller, AVR 64K FLASH
8 bit Microcontroller, AVR 64K FLASH
Manufacturer: Microchip Technology
Win Source Part Number: 142116-ATMEGA644P-20
Packaging: Tray
Core Processor: AVR
Number of I/O: 32
Program Memory Size: 64KB (32K x 16)
Program Memory Type: FLASH
EEPROM Size: 2K x 8
Data Converters: A/D 8x10b
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 44-VQFN (7x7)
Speed(Frequency): 20MHz
Supply Voltage - Operating: 2.7 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 4K x 8
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 37 pct.
Supply and Demand Status: Limited
IC MCU 8BIT 64KB FLASH 44VQFN
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)
MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, QFN-44; Product Range:AVR ATmega Family ATmega64 Series Microcontrollers; CPU Speed:20MHz; Program Memory Size:64KB; RAM Memory Size:4KB; No. of Pins:44Pins; MCU Case Style:QFN RoHS Compliant: Yes
| ERSAELECTRONICS PTE. LTD. | Rochester Electronics | DigiKey | ODG (Origin Data Global) | RS Components, Ltd. | RS Components, Ltd. | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-ATMEGA644P-20MU | ATMEGA644P-20MU | ATMEGA644P-20MU-ND | ATMEGA644P-20MU | 1310321 | 1310321P | 142116-ATMEGA644P-20MU | ATMEGA644P-20MU | ATMEGA644P-20MU | ATMEGA644P-20MU | 68T3114 |
| Product Name | 8-bit 8BIT 64KB Embedded Microcontroller MCU | Microcontrollers | Microcontrollers | Microcontrollers | Microcontrollers | Embedded - Embedded - Microcontrollers - ATMEGA644P-20MU | Integrated Circuits (ICs) - Embedded - Microcontrollers | 8-bit Microcontrollers - MCU | Microcontrollers | Microcontroller Mcu, 8 Bit, Atmega, 20Mhz, Qfn-44; Product Range Microchip | |
| Data Bus | 8 Bit | 8 Bit; 8-Bit | 8 Bit | 8 Bit | 8 Bit; 8bit | 8 Bit; 8bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit | ||
| Clock Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | ||||
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 64 KB | 4 KB | 4 KB | 4 KB | |||
| ROM | 2 KB | 64 KB | 64 KB | 64 KB | 2 KB | ||||||
| ROM Type | EEPROM; EEPROM | Flash | Flash | Flash; FLASH | Flash; FLASH |
