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ATTINY45-20MU

ATTINY45-20MU

ATTINY45-20MU

Microchip Technology

4KB 2K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATtiny Series ATTINY45 20 Pin 8MHz 5V 20-WFQFN Exposed Pad

SOT-23

ATTINY45-20MU Datasheet

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In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 3 Weeks
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Surface Mount YES
Number of Pins 20
Supplier Device Package 20-QFN-EP (4x4)
Number of Terminals 20
Mounting Style SMD/SMT
Interfaces SPI/USI
Data Converters A/D 4x10b
Family Name ATtiny45
Instruction Set Architecture RISC
Dimensions 4 x 4 x 0.75mm
Typical Operating Supply Voltage 2.7 → 5.5 V
Package Type QFN/MLF
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Number of I/Os 6 I/O
Interface Type USI
Manufacturer Microchip
Brand Microchip Technology / Atmel
Tradename AVR
RoHS Details
Package Tray
Base Product Number ATTINY45
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 6
Operating Temperature -40°C~85°C TA
Packaging Tray
Series AVR® ATtiny
Published 2011
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 20
Terminal Finish MATTE TIN
Additional Feature ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ
Terminal Position QUAD
Terminal Form NO LEAD
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch 0.5mm
Reach Compliance Code compliant
Frequency 8MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATTINY45
Pin Count 20
JESD-30 Code S-PQCC-N20
Qualification Status Not Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies 3/5V
Temperature Grade INDUSTRIAL
Interface SPI
Memory Size 1.5kB
Oscillator Type Internal
Number of I/O 6
Speed 20MHz
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 2.7V~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 4KB 2K x 16
Connectivity USI
Supply Current-Max 8 mA
Bit Size 8
Data Converter A/D 4x10b
Watchdog Timer Yes
Access Time 20 μs
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Seated Height-Max 0.8 mm
Number of Timers/Counters 2 Timer
Product Type 8-bit Microcontrollers - MCU
ROM (words) 4096
EEPROM Size 256 x 8
CPU Family AVR RISC
RAM (bytes) 256
Number of ADC Channels 4
ROM Programmability FLASH
Number of PWM Channels 2
Number of I2C Channels 1
Product MCU
Product Category 8-bit Microcontrollers - MCU
Device Core AVR
Height 800μm
Length 4mm
Width 4mm
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $0.87000 $0.87
25 $0.79320 $19.83
100 $0.71070 $71.07
ATTINY45-20MU Product Details

ATTINY45-20MU Overview


Packaged in a 20-WFQFN Exposed Pad format. A total of 6 I/Os are on the Microcontroller. Surface Mount is the mounting type of the Microcontroller that is attached to the panel. This Microcontroller is based on a core called 8-Bit. The type of its program memory is FLASH. In this Microcontroller, temperature is controlled within the range -40°C~85°C TA. A AVR® ATtiny series electrical component is used in this application. This program has a program memory of 4KB 2K x 16 bytes, which is the size of the program. With a AVR Core Processor, Microcontroller is fast and efficient. ICs for MICROCONTROLLER, RISC uPs/uCs/peripheral parts. There are 20 terminations on the IC chip, which means there are 20 terminations on the integrated circuit chip. In addition, MCU chip comes with a 8-bit size. Microcontroller chip has outputs of 5V volts. The system has NO channels for DMA communication. There is 1.5kB memory size assigned to the part. Alternatives can be found by searching through the base part number ATTINY45 to find them. At a frequency of 8MHz, Microcontroller can operate efficiently. This MCU Chip uses YES PWM channels to operate. Chips have 20 pins. There are 2 Timer timers/counters in this device. In total, it has 20 pins. The AVR RISC CPU family is embedded in the device, so it can handle a wide range of operations. As an example, one of the additional features that you can use is ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ. It consists of 4 channels in total for the ADC. This device uses 2 PWM channels to generate the voltage. 1 channels of I2C have been incorporated into the design of the part.

ATTINY45-20MU Features


20-WFQFN Exposed Pad package
Mounting type of Surface Mount


ATTINY45-20MU Applications


There are a lot of Microchip Technology
ATTINY45-20MU Microcontroller applications.


  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances

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