ATMEGA644P-20PU
RoHS 
RoHS compliant
RoHS compliantPackage 40-DIP (0.600, 15.24mm)
Category Integrated Circuits (ICs) / Embedded - Microcontrollers
Description
MICROCHIP - ATMEGA644P-20PU - AVR MCU,64K FLASH,4K RAM,644
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Buying Options
Total Price: USD $6.59
Unit Price: USD $6.5912
≥1 USD $6.5912
≥10 USD $6.0368
≥100 USD $5.4736
Inventory: 171
Minimum: 1
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Technical Details
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Dimensions
Width 13.97mm
Length 52.58mm
Height 4.826mm
Technical
Number of I2C Channels 1
Number of PWM Channels 6
Number of ADC Channels 8
EEPROM Size 2K x 8
Address Bus Width 8b
Number of Timers/Counters 3
Data Bus Width 8b
DMA Channels NO
Has ADC YES
Access Time 20 μs
Watchdog Timer Yes
Data Converter A/D 8x10b
Bit Size 8
Supply Current-Max 9mA
Connectivity I2C, SPI, UART/USART
Program Memory Size 64KB 32K x 16
Core Size 8-Bit
Program Memory Type FLASH
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Core Processor AVR
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Voltage - Supply (Vcc/Vdd) 2.7V~5.5V
RAM Size 4K x 8
Number of I/O 32
Oscillator Type Internal
Memory Size 64kB
Interface 2-Wire, I2C, SPI, UART, USART
Supply Voltage-Min (Vsup) 4.5V
Supply Voltage-Max (Vsup) 5.5V
Base Part Number ATMEGA644P
Frequency 20MHz
Terminal Pitch 2.54mm
Supply Voltage 5V
Terminal Position DUAL
Technology CMOS
Subcategory Microcontrollers
Number of Terminations 40
Moisture Sensitivity Level (MSL) Not Applicable
Part Status Active
Pbfree Code yes
JESD-609 Code e3
Series AVR? ATmega
Published 1997
Packaging Tube
Operating Temperature -40°C~85°C TA
Physical
Number of Pins 40
Package / Case 40-DIP (0.600, 15.24mm)
Mounting Type Through Hole
Mount Through Hole
Contact Plating Tin
Supply Chain
Factory Lead Time 4 Weeks
Alternative Model
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