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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 16MHz
Connectivity I2C, LINbus, SPI, UART/USART, USI
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O 16
Program Memory Size 8KB (4K x 16)
Program Memory Type FLASH
EEPROM Size 512 x 8
RAM Size 512 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-TSSOP
Package / Case 20-TSSOP (0.173", 4.40mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY87-XUR is a low-power 8-bit AVR microcontroller with 8KB Flash and 512 bytes RAM. It operates from 1.8V to 5.5V at up to 16MHz. This device features a temperature sensor, brown-out reset, power-on reset, PWM, and watchdog timer. Packaged in a 20-TSSOP, it is ideal for compact, power-sensitive applications.

  • Integrated temperature sensor reduces external component count.
  • Ultra-low 1.8V operation enables single-cell battery use.
  • Small 20-TSSOP package fits miniaturized designs.
  • 8KB Flash provides ample code space for mid-range applications.
  • Robust safety features (BOD, WDT) enhance reliability.

Temperature Monitoring Systems

The integrated temperature sensor eliminates external thermistors, reducing BOM and PCB area.

Battery-Powered Sensors

Low 1.8V operation and sleep modes extend battery life in wireless sensor nodes.

Small Motor Controllers

16MHz speed and PWM channels drive small DC motors in toys and pumps.

LED Lighting Effects

Compact 20-TSSOP and PWM outputs enable RGB LED control in decorative lighting.

Portable Instruments

8KB Flash is sufficient for calibration and measurement routines in handheld meters.

Automotive Interior Lighting

Wide voltage range and temp sensor support ambient light and temperature-based dimming.

Q: What is the operating voltage range?
A: It operates from 1.8V to 5.5V.
Q: What is the maximum clock speed?
A: The AVR core runs at up to 16MHz.
Q: How much Flash and RAM are available?
A: It has 8KB Flash and 512 bytes RAM.
Q: Does it have a temperature sensor?
A: Yes, it includes an internal temperature sensor.
Q: What package is this?
A: It is in a 20-TSSOP package.
Base Product Number : ATTINY87
16MHz 20-TSSOP 8-bit MCU 8KB Flash ATTINY87 AVR battery LED low power temperature sensor
Q: What is the operating voltage range?
A: It operates from 1.8V to 5.5V.
Q: What is the maximum clock speed?
A: The AVR core runs at up to 16MHz.
Q: How much Flash and RAM are available?
A: It has 8KB Flash and 512 bytes RAM.
Q: Does it have a temperature sensor?
A: Yes, it includes an internal temperature sensor.
Q: What package is this?
A: It is in a 20-TSSOP package.