ATMEL  ATMEGA644P-20PU  8 Bit Microcontroller, Low Power High Performance, ATmega, 20 MHz, 64 KB, 4 KB, 40, DIP


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  • Manufacturer:
  • Newark Part No.: 68T3117
  • Manufacturer Part No ATMEGA644P-20PU

Product Overview

The ATMEGA644P-20PU is a low-power CMOS 8-bit Microcontroller, based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the microcontroller achieves throughputs approaching 1 MIPS per MHz allowing the system designed to optimize power consumption versus processing speed.
  • High-performance, Low-power AVR® 8-Bit Microcontroller
  • Advanced RISC Architecture
  • High Endurance Non-volatile Memory Segments
  • JTAG (IEEE Standard 1149.1 Compliant) Interface
  • Power-on Reset and Programmable Brown-out Detection
  • Internal Calibrated RC Oscillator
  • External and Internal Interrupt Sources
  • Idle, ADC Noise Reduction, Power-save, Power-down, Standby and Extended Standby Sleep Modes
  • 0 to 20MHz at 4.5 to 5.5V Speed Grade
  • 0.4mA Active, 0.1µA Power-down mode, 0.6µA Power-save mode (32kHz RTC) power consumption


Power Management; Communications & Networking; Consumer Electronics
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Product Specifications, Documents & More

  • CPU Speed: 20MHz
  • Controller Family/Series: ATmega
  • Core Size: 8bit
  • EEPROM Memory Size: 2KB
  • Embedded Interface Type: I2C, SPI, UART
  • MCU Case Style: DIP
  • MSL: -
  • No. of I/O's: 32
  • No. of PWM Channels: 6
  • No. of Pins: 40
  • No. of Timers: 3
  • Operating Temperature Max: 85°C
  • Operating Temperature Min: -40°C
  • Oscillator Type: External, Internal
  • Packaging: Each
  • Peripherals: ADC, Comparator, PWM, RTC, Timer
  • Program Memory Size: 64KB
  • Program Memory Size: 64KB
  • RAM Memory Size: 4KB
  • SVHC: No SVHC (15-Jun-2015)
  • Supply Voltage Max: 5.5V
  • Supply Voltage Min: 2.7V
  • Supply Voltage Range: 2.7V to 5.5V

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  •  131/18
  •  132/18


Availability:  252

  • 252 in stock for same day shipping
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    More stock available week commencing 1/18/16

Price for: Each 1

Minimum order quantity: 1

Order multiple quantity: 1

Price: $8.54 $8.54



Quantity List Price
1 - 9 $8.54
10 - 24 $7.66
25 - 49 $6.98
50 - 99 $6.33
100 - 249 $5.91
250 - 499 $5.72
500 - 999 $5.30
1000+ $4.92

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