Microchip Technology ATTINY4313-SUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 18
Program Memory Size 4KB (2K x 16)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters -
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-SOIC
Package / Case 20-SOIC (0.295", 7.50mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY4313-SUR is an 8-bit AVR microcontroller featuring 4KB flash and 256B SRAM in a 20-SOIC package. Running at up to 20MHz with a 1.8V-5.5V supply, it integrates brown-out detection, POR, PWM, and WDT. Its high speed and small footprint make it a cost-effective solution for consumer and hobbyist applications.

  • High speed (20MHz): Provides faster response for time-critical control loops.
  • Wide voltage range: Works with both 3.3V and 5V systems without level shifters.
  • Easy-to-use SOIC package: Compatible with standard PCB assembly and breadboard adapters.
  • Integrated PWM: Simplifies motor and LED control without external timers.

Consumer Appliances

The 20MHz speed and 4KB flash are ideal for microwave oven control panels or washing machine timers.

Hobbyist Robotics

Its SOIC package is easy to solder, making it perfect for DIY robot controllers with servo PWM outputs.

Lighting Control

PWM channels can drive LED dimmers or RGB color mixers in smart home lighting systems.

Security Systems

With WDT and low-power modes, it can monitor door sensors and send alerts in alarm panels.

Data Loggers

256 bytes of SRAM can store small sensor readings before writing to external EEPROM.

Educational Kits

Its simple architecture and DIP-compatible SOIC footprint make it a great teaching tool for embedded systems.

Q: What is the maximum speed of the ATTINY4313-SUR?
A: It operates at up to 20MHz.
Q: How much flash memory does it have?
A: It has 4KB of flash (2K x 16 bits).
Q: What package is this device?
A: It comes in a 20-SOIC (7.5mm width) package, suitable for through-hole or SMD assembly.
Q: Does it include a watchdog timer?
A: Yes, it has WDT, brown-out detection, POR, and PWM.
Base Product Number : ATTINY4313
20MHz 256B SRAM 4KB Flash 8-bit MCU AVR consumer hobbyist low cost PWM RISC SOIC-20
Q: What is the maximum speed of the ATTINY4313-SUR?
A: It operates at up to 20MHz.
Q: How much flash memory does it have?
A: It has 4KB of flash (2K x 16 bits).
Q: What package is this device?
A: It comes in a 20-SOIC (7.5mm width) package, suitable for through-hole or SMD assembly.
Q: Does it include a watchdog timer?
A: Yes, it has WDT, brown-out detection, POR, and PWM.