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ATTINY416-MZT-VAO
Microchip Technology
IC MCU 8BIT 4KB FLASH 20VQFN
5910 Pcs New Original In Stock
AVR tinyAVR™ 1, Functional Safety (FuSa) Microcontroller IC 8-Bit 16MHz 4KB (4K x 8) FLASH 20-VQFN (3x3)
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5.0 / 5.0
- (325 Ratings)
ATTINY416-MZT-VAO
Product Overview
13025681
DiGi Electronics Part Number
ATTINY416-MZT-VAO-DGManufacturer
Microchip Technology
ATTINY416-MZT-VAO
Description
IC MCU 8BIT 4KB FLASH 20VQFNInventory
5910 Pcs New Original In Stock
AVR tinyAVR™ 1, Functional Safety (FuSa) Microcontroller IC 8-Bit 16MHz 4KB (4K x 8) FLASH 20-VQFN (3x3)
Quantity
Minimum 1
Minimum 1
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ATTINY416-MZT-VAO Technical Specifications
Category
Embedded, Microcontrollers
Packaging
-
Series
tinyAVR™ 1, Functional Safety (FuSa)
Packaging
Tape & Reel (TR)
Part Status
Active
DiGi-Electronics Programmable
Not Verified
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I2C, IrDA, LINbus, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, WDT
Number of I/O
18
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)
2.7V ~ 5.5V
Data Converters
A/D 12x10b; D/A 1x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C (TA)
Grade
Automotive
Qualification
AEC-Q100
Mounting Type
Surface Mount
Supplier Device Package
20-VQFN (3x3)
Package / Case
20-VFQFN Exposed Pad
Base Product Number
ATTINY416
Datasheet & Documents
HTML Datasheet
ATTINY416-MZT-VAO-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.31.0015
Additional Information
Other Names
150-ATTINY416-MZT-VAO
Standard Package
6,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
La transparence tarifaire de DiGi renforce la fidélité de ses clients grâce à leur honnêteté.
грудня 02, 2025
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грудня 02, 2025
The company’s proactive approach to post-sale customer care is truly commendable.
грудня 02, 2025
Great value and friendly atmosphere—DiGi Electronics has it all.
грудня 02, 2025
Order processing was exceptionally fast, enabling me to meet tight project deadlines.
грудня 02, 2025
They keep customers informed and engaged during the entire delivery process.
грудня 02, 2025
The variety offered by DiGi Electronics allows me to explore many innovative solutions.
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The affordability of Di Digi Electronics' products makes them my top choice for upgrading my gaming setup.
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I love that their packaging is both eco-friendly and budget-friendly.
грудня 02, 2025
The packaging is robust and professional, and the prices are hard to beat.
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Frequently Asked Questions (FAQ)
How does the ATTINY416-MZT-VAO’s automotive qualification (AEC-Q100) impact its reliability in harsh environments compared to non-automotive MCUs like the ATtiny402?
The ATTINY416-MZT-VAO is qualified to AEC-Q100 Grade 1 standards, meaning it is rigorously tested for operation from -40°C to 125°C and subjected to extended stress testing for vibration, thermal cycling, and humidity. This makes it significantly more reliable than non-automotive MCUs like the ATtiny402, which lack formal automotive qualification and may exhibit unpredictable behavior under sustained high-temperature or high-vibration conditions—common in under-hood or industrial applications. For safety-critical or long-lifecycle designs, the ATTINY416-MZT-VAO reduces field failure risk and supports functional safety workflows due to its FuSa documentation.
Can the ATTINY416-MZT-VAO safely replace the ATTINY416-MFR in a 5V industrial control system without firmware changes?
While both the ATTINY416-MZT-VAO and ATTINY416-MFR share nearly identical electrical characteristics and pinouts, the MZT-VAO is specified for tape-and-reel packaging and may have minor process-level differences. However, since both are from the same functional safety-qualified tinyAVR 1 series and support the full 2.7V–5.5V range, direct drop-in replacement is generally feasible. That said, always verify bootloader compatibility and ADC reference behavior at 5V, as calibration offsets can vary slightly between batches—perform bench validation under worst-case load and temperature before full deployment.
What are the key risks when using the internal oscillator of the ATTINY416-MZT-VAO for UART communication in a noisy automotive environment?
The ATTINY416-MZT-VAO’s internal ±2% RC oscillator, while convenient, can drift beyond UART tolerance (±3–4% total) under temperature swings or supply noise—especially problematic in automotive systems with fluctuating 12V rails. This may cause framing errors or missed packets in LIN or UART-based diagnostics. To mitigate, use auto-baud detection if supported by your protocol, implement robust error handling with timeouts, or consider an external 16MHz crystal for time-critical links. The built-in clock failure detection (CFD) can also trigger a safe state if oscillator instability is detected.
How does the exposed pad on the 20-VQFN package of the ATTINY416-MZT-VAO affect PCB layout and thermal performance in high-temperature applications?
The exposed thermal pad on the ATTINY416-MZT-VAO must be soldered directly to a grounded copper pour on the PCB to ensure both electrical grounding and heat dissipation. In high-temp applications (e.g., near engine compartments), inadequate thermal vias under the pad can lead to localized hot spots, reducing effective operating life. Use at least six 0.3mm vias connected to an internal ground plane to maintain junction temperature below 125°C. Poor soldering of the pad also increases susceptibility to mechanical stress during thermal cycling—follow Microchip’s recommended stencil aperture design (typically 80–90% coverage) to avoid voids.
Is the ATTINY416-MZT-VAO a viable functional safety replacement for legacy 8-bit MCUs like the ATmega328P in ISO 26262-compliant systems?
Yes, but with caveats. The ATTINY416-MZT-VAO is part of Microchip’s Functional Safety (FuSa) portfolio, offering documented safety manuals, FMEDA reports, and diagnostic features like windowed watchdog and BOD—critical for ASIL-A/B systems. Unlike the non-FuSa ATmega328P, it enables easier compliance with ISO 26262. However, its 4KB flash and 256B RAM limit complexity; ensure your application fits within these constraints. Also, verify that your toolchain (e.g., MPLAB X with XC8) supports FuSa certification workflows. For new safety-related designs, the ATTINY416-MZT-VAO reduces certification overhead compared to retrofitting older MCUs.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
ATTINY416-MZT-VAO CAD Models
Microchip Technology ATTINY416-MZT-VAO PCB symbols & footprints
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