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ATTINY424-SSFR
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Product Detailed Parameters
- Description：IC MCU 8BIT 4KB FLASH 14SOIC
- 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：12
- 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 9x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The ATtiny424-SSFR is an 8-bit microcontroller from the tinyAVR 2 family, featuring a 14-pin SOIC package. It includes 4 KB of Flash memory, 512 bytes of SRAM, and 128 bytes of EEPROM. The device operates at a maximum clock frequency of 20 MHz with a supply voltage range of 1.8 V to 5.5 V. Key peripherals include a 12-bit differential ADC with PGA, two USARTs, SPI, TWI, and an Event System.
Feature Summary
- Features a high-performance AVR CPU with hardware multiplier running up to 20 MHz.
- Includes a 12-bit differential ADC with Programmable Gain Amplifier (PGA) for accurate analog measurements.
- Supports flexible inter-peripheral signaling through a dedicated Event System.
- Provides versatile communication options including dual USARTs, SPI, and TWI interfaces.
Applications
- Industrial control systems requiring low-power operation
- Sensor interface modules utilizing differential ADC inputs
- Battery-powered devices operating within extended temperature ranges
Procurement Notes
Verify that the ordering suffix SSFR corresponds to the SOIC-14 package in Tape & Reel format. Confirm the temperature grade matches the required operational environment, as industrial variants support -40°C to +125°C. Ensure compatibility with existing PCB footprints for the specific package type before finalizing procurement.
Selection Notes
Select this component when vertical migration within the tinyAVR 2 family is desired without code modification. Choose this part if the application requires a 14-pin footprint with access to advanced analog features like the PGA-enabled ADC. Consider this MCU for designs needing robust event-driven processing capabilities alongside standard serial communication protocols.
Part Context
This device belongs to the tinyAVR 2 family, which offers pin and feature compatibility across various memory sizes and pin counts. The ATtiny424 serves as the entry-level option in the 14-pin segment, providing essential peripherals while maintaining architectural consistency with higher-end models like the ATtiny824.
Replacement Considerations
ATtiny424-MU
FAQ
Does the ATtiny424-SSFR support vertical migration?
Yes, it is fully pin and feature compatible with other devices in the tinyAVR 2 family, allowing for vertical migration without code modification.
What is the resolution of the ADC on this device?
The ATtiny424 features a 12-bit differential Analog-to-Digital Converter (ADC) equipped with a Programmable Gain Amplifier (PGA).
