Microchip Technology ATTINY461A-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 USI
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O 16
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 A/D 11x10b
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 ATTINY461A-SUR from Microchip Technology is a versatile AVR 8-bit MCU with 4KB flash and 256B RAM. It operates from 1.8V to 5.5V at 20MHz. The 20-SOIC package includes PWM, brown-out reset, watchdog timer, and an internal temperature sensor for diverse embedded applications.

  • Integrated temperature sensor reduces BOM cost
  • 20-pin SOIC provides balanced I/O and footprint
  • 1.8V low-voltage operation for battery designs
  • 20MHz speed for real-time processing

Temperature Monitoring

Built-in temp sensor eliminates external thermistor in HVAC controllers.

Analog Signal Processing

20-SOIC with multiple ADC channels handles audio or vibration analysis.

Battery Management

1.8V operation supports single-cell Li-ion monitoring.

Industrial Automation

PWM and WDT ensure reliable actuator control in PLCs.

Medical Wearables

Low power and temp sensing suit body temperature patches.

Smart Agriculture

Soil moisture sensors with PWM irrigation control.

Q: What is the supply voltage?
A: 1.8V to 5.5V.
Q: What is the max speed?
A: 20MHz.
Q: What package?
A: 20-SOIC.
Q: Does it have a temperature sensor?
A: Yes, internal temp sensor.
Q: Operating temperature?
A: -40°C to 85°C.
Base Product Number : ATTINY461A
20-SOIC 20MHz 8-bit MCU AVR industrial low power PWM temp sensor
Q: What is the supply voltage?
A: 1.8V to 5.5V.
Q: What is the max speed?
A: 20MHz.
Q: What package?
A: 20-SOIC.
Q: Does it have a temperature sensor?
A: Yes, internal temp sensor.
Q: Operating temperature?
A: -40°C to 85°C.