Microchip Technology ATTINY4313-MMHR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.05 | $1.05 |
| 15+ | $1.01 | $15.15 |
| 25+ | $0.99 | $24.75 |
| 50+ | $0.94 | $47.00 |
| 100+ | $0.83 | $83.00 |
| N+ | $0.17 | Price Inquiry |
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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 | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-VQFN (3x3) |
| Package / Case | 20-VFQFN Exposed Pad |
| ROHS |
The Microchip ATTINY4313-MMHR is a high-performance 8-bit AVR microcontroller that delivers efficient processing in a compact 20-VFQFN package. Operating from 1.8V to 5.5V and at speeds up to 20MHz, it provides 4KB of Flash and 256 bytes of SRAM. Integrated features like PWM, watchdog timer, and brown-out detection make it a robust choice for a wide range of embedded control applications.
- Wide Voltage Range: Supports 1.8V to 5.5V, enabling direct battery operation and compatibility with 3.3V and 5V systems.
- High-Speed AVR Core: 20MHz operation delivers fast processing for time-critical control loops.
- Compact Package: The 20-VFQFN package minimizes PCB area, ideal for miniaturized designs.
- Integrated Safety Features: Brown-out detection and watchdog timer enhance system reliability in harsh environments.
Battery-Powered Sensor Nodes
The 1.8V minimum supply voltage and low-power sleep modes enable long battery life in remote environmental or industrial sensors.
Compact Motor Control
With 20MHz speed and PWM channels, it can generate precise control signals for small DC or stepper motors in robotics and automation.
LED Lighting Systems
PWM outputs allow for smooth dimming and color mixing in decorative or architectural LED lighting, while the small QFN package fits tight PCB layouts.
Portable Consumer Electronics
Its low voltage operation and small footprint make it ideal for wearables, smart accessories, and handheld devices requiring basic control logic.
Automotive Interior Modules
The -40°C to 85°C temperature range and watchdog timer support reliable operation in automotive interior lighting or switch control modules.
Industrial Automation I/O
Brown-out detection and POR ensure reliable startup and operation in industrial control panels, handling digital I/O and simple communication tasks.
- Q: What is the operating voltage range of the ATTINY4313-MMHR?
- A: It operates from 1.8V to 5.5V, making it suitable for battery-powered and low-voltage applications.
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 20MHz, providing a balance of performance and power efficiency.
- Q: How much Flash and SRAM does it have?
- A: It features 4KB of Flash program memory and 256 bytes of SRAM for data storage.
- Q: What package is this device available in?
- A: It comes in a compact 20-VFQFN exposed pad package, ideal for space-constrained designs.
- Q: Does it include analog and timer peripherals?
- A: Yes, it includes PWM, WDT, POR, and brown-out detection for robust operation.
- Q: What is the operating voltage range of the ATTINY4313-MMHR?
- A: It operates from 1.8V to 5.5V, making it suitable for battery-powered and low-voltage applications.
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 20MHz, providing a balance of performance and power efficiency.
- Q: How much Flash and SRAM does it have?
- A: It features 4KB of Flash program memory and 256 bytes of SRAM for data storage.
- Q: What package is this device available in?
- A: It comes in a compact 20-VFQFN exposed pad package, ideal for space-constrained designs.
- Q: Does it include analog and timer peripherals?
- A: Yes, it includes PWM, WDT, POR, and brown-out detection for robust operation.

ATTINY4313-MMHR.pdf