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ATTINY861-20SU

ATTINY861-20SU

ATTINY861-20SU

Microchip Technology

8KB 4K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATtiny Series ATTINY861 20 Pin 20MHz 5V 20-SOIC (0.295, 7.50mm Width)

SOT-23

ATTINY861-20SU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 10 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295, 7.50mm Width)
Surface MountYES
Number of Pins 20
Supplier Device Package 20-SOIC
Number of Terminals 20
Mounting Style SMD/SMT
Interfaces USI
Data Converters A/D 11x10b
Schedule B 8542310000, 8542310000/8542310000, 8542310000/8542310000/8542310000, 8542310000/8542310000/8542310000/8542310000
Number of I/Os 16
RoHS Compliant
Family Name ATtiny861
Instruction Set Architecture RISC
Dimensions 13 x 7.6 x 2.35mm
Typical Operating Supply Voltage 5.5 (Maximum) V
Package Type SOIC
Maximum Operating Temperature+85 °C
Minimum Operating Temperature -40 °C
MSL MSL 2 - 1 year
Qualification -
Interface Type 2-Wire, SPI, USI
Manufacturer Microchip
Brand Microchip Technology / Atmel
Tradename AVR
Package Tube
Base Product Number ATTINY861
Mfr Microchip Technology
Product Status Active
Package Shape RECTANGULAR
Number of I/O Lines 16
Operating Temperature-40°C~85°C TA
PackagingTube
Series AVR® ATtiny
Published 2008
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 20
Termination SMD/SMT
Terminal Finish Matte Tin (Sn)
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
Additional FeatureALSO OPERATES AT 2.7 MINIMUM SUPPLY AT 10 MHZ
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 250
Supply Voltage 5V
Terminal Pitch1.27 mm
Reach Compliance Code compliant
Frequency 20MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATTINY861
Pin Count20
JESD-30 Code R-PDSO-G20
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies3/5V
Temperature GradeINDUSTRIAL
Supply Voltage-Min (Vsup) 4.5V
Interface 2-Wire, SPI
Max Supply Voltage5.5 V
Min Supply Voltage2.7 V
Memory Size8kB
Oscillator TypeInternal
Number of I/O 16
Speed 20MHz
RAM Size 512 x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 2.7V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Number of Bits 8
Core Processor AVR
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 8KB 4K x 16
Connectivity USI
Supply Current-Max 9 mA
Bit Size 8
Data Converter A/D 11x10b
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 2.65 mm
Number of Timers/Counters 2
Product Type8-bit Microcontrollers - MCU
Density 64 kb
ROM (words) 8192
Core Architecture AVR
EEPROM Size 512 x 8
CPU Family AVR RISC
Max Frequency 20 MHz
Number of Programmable I/O 16
RAM (bytes) 512
Number of ADC Channels 11
ROM Programmability FLASH
Number of PWM Channels 6
Number of I2C Channels 1
Number of SPI Channels 1
Product MCU
Product Category8-bit Microcontrollers - MCU
Device CoreAVR
Height 2.35mm
Length 13mm
Width 7.6mm
REACH SVHC No SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:2395 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$2.39000$2.39
25$2.21200$55.3
100$2.03680$203.68

ATTINY861-20SU Product Details

ATTINY861-20SU Overview


A 20-SOIC (0.295, 7.50mm Width) package is included. In total, it has 16 inputs and outputs. This Microcontroller is mounted using the Surface Mount mounting type. Powered by the 8-Bit core, it offers a wide range of capabilities. The type of memory that the program uses is FLASH. The temperature range of this Microcontroller is within the range of -40°C~85°C TA. AVR® ATtiny series components belong to this electrical component. Its program memory size is 8KB 4K x 16. There is a AVR Core Processor inside MCU that provides this device with its power. MICROCONTROLLER, RISC uPs, uCs, and peripheral ICs make up the Microcontroller. Microcontroller is known that the chip has 20 terminations in total. The part works on a 8-bit basis. An output voltage of 5V volts is available for this Microcontroller chip. The Microcontroller chip has NO DMA channels. 8kB memory size belongs to the part. ATTINY861 is the base part number that you can use to find alternatives. A good performance can be achieved at a frequency of 20MHz, as long as it is operated at a low power consumption. In order for the device to work with the motor, it utilizes the PWM channel YES. On the chip, there are 20 pins that are accessible. A total of 2 timers/counters are included in the package. A total of 20 pins are present. Devices based on the AVR RISC series of CPUs are embedded in the device. There's built-in FLASH memory in the equipment. It is built on a AVR core architecture. This 8 Programmable I/O section allows you to program the device in many different ways depending on what you need. As a few examples, there are additional features like ALSO OPERATES AT 2.7 MINIMUM SUPPLY AT 10 MHZ that are available in the software. In total, there are 11 channels for the ADC on this board. 8 bits are found on a chip. A total of 6 PWM channels are used by the device. Devices like this use an 1-channel PWM controller.

ATTINY861-20SU Features


20-SOIC (0.295, 7.50mm Width) package
Mounting type of Surface Mount
Minimum temperature of -40 °C


ATTINY861-20SU Applications


There are a lot of Microchip Technology
ATTINY861-20SU Microcontroller applications.


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  • Entertainment products
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