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ATTINY404-SSNR
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Product Detailed Parameters
- Description：IC MCU 8BIT 4KB FLASH 14SOIC
- Series：tinyAVR™ 0, Functional Safety (FuSa)
- 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：256 x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 10x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°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 ATTINY404-SSNR is an 8-bit AVR RISC microcontroller from the tinyAVR 0-Series, packaged in a 14-pin SOIC. It features 4 KB of self-programmable Flash memory, 256 bytes of SRAM, and 128 bytes of EEPROM. The device operates at clock frequencies up to 20 MHz with a supply voltage range of 1.8V to 5.5V. Key peripherals include a 10-bit ADC, USART, SPI, TWI, TCA, TCB, RTC, CCL, and UPDI interface.
Feature Summary
- Integrates Core Independent Peripherals (CIP) such as Event System and SleepWalking for low-power operation
- Includes Configurable Custom Logic (CCL) with programmable look-up tables
- Features a single-pin Unified Program and Debug Interface (UPDI)
- Supports multiple sleep modes including Idle, Standby, and Power-down
Applications
- Battery-powered sensor nodes
- Industrial control systems
- Smart home appliances
Procurement Notes
Verify the specific temperature grade required for your application, as options exist for -40°C to 105°C and -40°C to 125°C. Confirm that the 14-pin SOIC package matches your PCB footprint. Ensure the ordering suffix corresponds to the desired speed grade and packaging format before finalizing procurement.
Selection Notes
Select this component when 4 KB of program memory and 256 bytes of RAM are sufficient. Consider the ATTINY204 if smaller memory sizes are acceptable. Verify that the 20 MHz maximum frequency meets timing requirements. Check peripheral availability against project needs, specifically the number of available I/O lines and analog channels.
Part Context
This part belongs to the ATtiny204/404 family within Microchip's tinyAVR 0-Series. It shares architectural similarities with other members like the ATtiny402 but offers enhanced peripheral sets including CCL and dedicated timers. The series emphasizes picoPower technology for energy efficiency.
Replacement Considerations
Direct pin-to-pin replacements within the same package may include other variants from the ATtiny204/404 family, subject to memory and peripheral compatibility verification.
