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ATTINY45-20SU

ATTINY45-20SU

ATTINY45-20SU

Microchip Technology

4KB 2K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATtiny Series ATTINY45 8 Pin 20MHz 5V 8-SOIC (0.209, 5.30mm Width)

SOT-23

ATTINY45-20SU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 23 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-SOIC (0.209, 5.30mm Width)
Surface MountYES
Number of Pins 8
Supplier Device Package 8-SOIC
Number of Terminals 8
Mounting Style SMD/SMT
Interfaces SPI/USI
Enclosure SOIC 8
Manuf. code MCP
Max. operating temperature +85°C
Manufacturer Microchip Technology
Data Converters A/D 4x10b
Family Name ATtiny45
Instruction Set Architecture RISC
Dimensions 5.35 x 5.4 x 1.91mm
Typical Operating Supply Voltage 2.7 → 5.5 V
Package Type EIAJ SOIC
Maximum Operating Temperature+85 °C
Minimum Operating Temperature -40 °C
MSL MSL 2 - 1 year
Qualification -
Number of I/Os 6 I/O
Interface Type USI
Brand Microchip Technology / Atmel
Tradename AVR
RoHS Details
Package Tube
Base Product Number ATTINY45
Mfr Microchip Technology
Product Status Active
Package Shape RECTANGULAR
Number of I/O Lines 6
Operating Temperature-40°C~85°C TA
PackagingTube
Series AVR® ATtiny
Published 2011
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 8
Termination SMD/SMT
Type ATTINY45-20SU
Terminal Finish Matte Tin (Sn)
Additional FeatureALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch1.27 mm
Reach Compliance Code compliant
Frequency 20MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATTINY45
Pin Count8
JESD-30 Code R-PDSO-G8
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies3/5V
Temperature GradeINDUSTRIAL
Interface SPI
Memory Size4kB
Oscillator TypeInternal
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 TypeFLASH
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 TimerYes
Access Time 20 μs
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Seated Height-Max 2.16 mm
Number of Timers/Counters 2
Address Bus Width8b
Product Type8-bit Microcontrollers - MCU
ROM (words) 4096
EEPROM Size 256 x 8
CPU Family AVR RISC
Number of Programmable I/O 6
RAM (bytes) 256
Number of ADC Channels 4
ROM Programmability FLASH
Number of I2C Channels 1
Product MCU
Product Category8-bit Microcontrollers - MCU
Device CoreAVR
Height 1.91mm
Length 5.35mm
Width 5.4mm
REACH SVHC No SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:5294 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$1.47000$1.47
500$1.4553$727.65
1000$1.4406$1440.6
1500$1.4259$2138.85
2000$1.4112$2822.4
2500$1.3965$3491.25

ATTINY45-20SU Product Details

ATTINY45-20SU Overview


In a 8-SOIC (0.209, 5.30mm Width) package, the MCU is available. 6 I/Os are available. The Microcontroller has a mounting type of Surface Mount, which indicates that it is mounted conveniently. The 8-Bit core is the core of the MCU. There is a FLASH type of memory for its program. There is a temperature range of -40°C~85°C TA that is operated by this Microcontroller. AVR® ATtiny series components make up this electrical component. 4KB 2K x 16 is the size of its program memory. A AVR Core processor is used to power the device. This device falls under the MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs category. 8 is the number of terminations on the IC chip that are present. This part works in a 8-bit manner. There is a 5V volt supply output on the chip. DMA channels number NO. 4kB is the memory size of the part. The base part number ATTINY45 can be used to find alternatives. The efficiency of this device can be improved when operating at a frequency of 20MHz. The device works in YES PWM channels. Located on the chip are 8 pins. The clock has 2 timers or counters on it. There are 8 pins on it. In this device, there is a AVR RISC CPU embedded within it. It programs in 6 Programmable I/O. I would like to mention a few additional features such as ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ in order to name a few. A total of 4 channels of ADC are available on this device. There are 1 I2C channels included in the part, which has been designed for the purpose.

ATTINY45-20SU Features


8-SOIC (0.209, 5.30mm Width) package
Mounting type of Surface Mount


ATTINY45-20SU Applications


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


  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio
  • Entertainment products

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