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ATTINY44A-MU
Microchip TechnologyRoHS 
RoHS compliant
RoHS compliantPackage 20-WFQFN Exposed Pad
Category Embedded - Microcontrollers / Embedded - Microcontrollers
Description
IC MCU 8BIT 4KB FLASH 20QFN
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Inventory: 3646
Minimum: 1
Total Price: USD $2.77
Unit Price: USD $2.76545
≥1 USD $2.76545
≥10 USD $2.26955
≥30 USD $2.1983
≥100 USD $2.12705
≥490 USD $2.05675
≥980 USD $1.84395
Technical Details
Supply Chain
Factory Lead Time 7 Weeks
Physical
Contact Plating Gold
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Number of Pins 20
Dimensions
Height 750μm
Length 4mm
Width 4mm
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Technical
Operating Temperature -40°C~85°C TA
Packaging Tray
Published 1997
Series AVR? ATtiny
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 20
Termination SMD/SMT
Terminal Finish MATTE TIN
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch 0.5mm
Frequency 20MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATTINY44A
Supply Voltage-Max (Vsup) 5.5V
Supply Voltage-Min (Vsup) 4.5V
Interface SPI
Memory Size 4kB
Oscillator Type Internal
Number of I/O 12
RAM Size 256 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, Temp Sensor, WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 4KB 2K x 16
Connectivity USI
Supply Current-Max 7mA
Bit Size 8
Data Converter A/D 8x10b
Watchdog Timer Yes
Has ADC YES
DMA Channels NO
Data Bus Width 8b
DAC Channels NO
Density 32 kb
ROM (words) 4096
EEPROM Size 256 x 8
Number of PWM Channels 2
Number of I2C Channels 1
Alternative Model
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