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ATTINY87-A15SZ
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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 20SOIC
- Series：AVR® ATtiny
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：16MHz
- Connectivity：I2C, LINbus, SPI, UART/USART, USI
- Peripherals：Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Number of I/O：16
- Program Memory Size：8KB (4K x 16)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：512 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-SOIC
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ATTINY87-A15SZ is an automotive-grade 8-bit AVR microcontroller featuring 8K bytes of ISP Flash, 512 bytes EEPROM, and 512 bytes SRAM. It operates at speeds up to 16 MHz within a voltage range of 4.5V to 5.5V. The device includes a LIN controller, 10-bit ADC with differential channels, and multiple timers. It utilizes a SOIC-20 package and supports an operating temperature range from -40°C to +125°C.
Feature Summary
- Hardware and software compatible with ATtiny167 for scalable design
- LIN 2.1 certified controller supporting automotive network protocols
- AEC-Q100 Grade 1 qualification ensuring high reliability in harsh environments
- Advanced RISC architecture enabling single-cycle execution for efficient processing
Applications
- Automotive body electronics systems
- LIN bus node implementations
- Temperature sensing applications using on-chip sensors
- General embedded control requiring robust environmental tolerance
Procurement Notes
Verify the specific suffix 'A15SZ' against official Microchip documentation to confirm package type (SOIC-20) and temperature grade (Grade 1). Ensure compatibility with existing firmware due to hardware equivalence with other variants in the series. Confirm supply chain authenticity through authorized distributors.
Selection Notes
Select this component when automotive certification is mandatory and LIN communication is required. It offers a direct upgrade path from non-automotive AVRs while maintaining pin compatibility. Consider memory requirements carefully as it provides 8K Flash, distinct from the 16K variant.
Part Context
This part belongs to the ATtiny87/167 family, designed specifically for automotive applications under ISO-TS-16949 standards. It shares the same core architecture and peripheral set as the standard ATtiny87 but meets stricter quality and reliability criteria defined by AEC-Q100 Grade 1 specifications.
Replacement Considerations
ATtiny87-15SU
FAQ
What is the maximum operating speed at 4.5V?
The device supports operation up to 16 MHz at voltages between 4.5V and 5.5V.
Does this part support LIN protocol?
Yes, it includes a dedicated LIN 2.1 and 1.3 controller that is LIN 2.1 certified.
How does it differ from the ATtiny167?
They are hardware and software compatible; the primary difference is the Flash memory size, with the ATtiny87 having 8K bytes compared to the ATtiny167's 16K bytes.
