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ATTINY261-15XZ
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Product Detailed Parameters
- Description：IC MCU 8BIT 2KB FLASH 20TSSOP
- Series：AVR® ATtiny
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：16MHz
- Connectivity：USI
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：16
- Program Memory Size：2KB (1K x 16)
- Program Memory Type：FLASH
- EEPROM Size：128 x 8
- RAM Size：128 x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
- Data Converters：A/D 11x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-TSSOP
- Package / Case：20-TSSOP (0.173", 4.40mm Width)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ATTINY261-15XZ is an automotive-grade 8-bit AVR microcontroller featuring 2K bytes of in-system programmable Flash, 128 bytes of EEPROM, and 128 bytes of SRAM. It operates within a voltage range of 2.7V to 5.5V and supports clock frequencies up to 16MHz at 4.5V–5.5V. The device includes 16 programmable I/O lines, a 10-bit ADC with 11 single-ended channels, and multiple timers. It is housed in a 32-pad MLF package and certified for operation across the full automotive temperature range of –40°C to +125°C.
Feature Summary
- Automotive quality grade verified per AEC-Q100 standards
- High-performance AVR RISC architecture with single-cycle execution
- Integrated debugWIRE on-chip debug system
- Programmable watchdog timer with separate internal oscillator
Applications
- Automotive electronic control units
- Sensor interface modules
- Low-power embedded systems requiring high reliability
Procurement Notes
Verify that the specific suffix '15XZ' corresponds to the requested speed grade and package configuration. Confirm the component meets the required automotive qualification standards for your specific application environment. Ensure compatibility with existing programming interfaces and development tools before finalizing procurement.
Selection Notes
Select this component when automotive reliability and extended temperature operation are mandatory. The 2K Flash capacity suits applications with moderate code requirements. Consider the 16MHz maximum speed at higher voltages if processing performance is critical. Verify that the 32-pad MLF package fits the available PCB footprint constraints.
Part Context
This part belongs to the ATtiny261/461/861 family of automotive microcontrollers manufactured by Microchip Technology (formerly Atmel). These devices share a common core architecture but differ in memory sizes and pin counts. The ATTINY261 represents the entry-level variant with 2K Flash, designed for cost-sensitive automotive applications requiring robust performance.
Replacement Considerations
Direct substitutes include other members of the ATtiny261/461/861 family, such as the ATTINY461 or ATTINY861, provided memory requirements are met. Cross-referencing with non-automotive grades like the standard ATTINY261 is possible only if environmental specifications allow.
