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ATTINY426-MUR
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Product Detailed Parameters
- Description：IC MCU 8BIT 4KB FLASH 20VQFN
- Series：tinyAVR® 2
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 (4K x 8)
- Program Memory Type：FLASH
- EEPROM Size：128 x 8
- RAM Size：512 x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 15x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-VQFN (3x3)
- Package / Case：20-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATTINY426-MUR is an 8-bit AVR microcontroller from the tinyAVR® 2 family, featuring a 20-pin VQFN package. It includes 8 KB of Flash memory, 1 KB of SRAM, and 128 B of EEPROM. The device operates at up to 20 MHz with a supply voltage range of 1.8V to 5.5V. Key peripherals include a 12-bit differential ADC with PGA, two USARTs, SPI, TWI, and an Event System.
Feature Summary
- Features a high-performance low-power AVR CPU with hardware multiplier and single-cycle I/O access.
- Includes a 12-bit differential ADC with Programmable Gain Amplifier (PGA) and up to 15 input channels.
- Supports flexible inter-peripheral signaling via an integrated Event System.
- Provides versatile communication interfaces including dual USARTs, SPI, and TWI.
Applications
- Industrial control systems requiring robust peripheral integration
- Battery-powered devices utilizing low-power architecture
- Sensor interface applications leveraging the differential ADC
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing design constraints before procurement. Confirm availability through authorized distributors as standard supply may vary.
Selection Notes
Select this component for designs requiring vertical migration within the tinyAVR® 2 family without code modification. Consider the 20-pin configuration for balanced I/O count and feature set. Evaluate power consumption requirements against the specified speed grades and voltage ranges.
Part Context
This part belongs to the tinyAVR® 2 family, designed for flexible and low-power applications. It shares pin and feature compatibility with other members of the series, allowing for easy scaling across different project requirements while maintaining software consistency.
Replacement Considerations
Compatible replacements include ATtiny424 and ATtiny427 within the same family. Verify pinout and peripheral availability differences when migrating between these variants to ensure functional equivalence in the target application.
