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ATTINY214-SSNR
Microchip Technology
IC MCU 8BIT 2KB FLASH 14SOIC
6431 Pcs New Original In Stock
AVR tinyAVR™ 1, Functional Safety (FuSa) Microcontroller IC 8-Bit 20MHz 2KB (2K x 8) FLASH 14-SOIC
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5.0 / 5.0
- (87 Ratings)
ATTINY214-SSNR
Product Overview
1271315
DiGi Electronics Part Number
ATTINY214-SSNR-DGManufacturer
Microchip Technology
ATTINY214-SSNR
Description
IC MCU 8BIT 2KB FLASH 14SOICInventory
6431 Pcs New Original In Stock
AVR tinyAVR™ 1, Functional Safety (FuSa) Microcontroller IC 8-Bit 20MHz 2KB (2K x 8) FLASH 14-SOIC
Quantity
Minimum 1
Minimum 1
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ATTINY214-SSNR Technical Specifications
Category
Embedded, Microcontrollers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
tinyAVR™ 1, Functional Safety (FuSa)
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I2C, IrDA, LINbus, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, WDT
Number of I/O
12
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
EEPROM Size
64 x 8
RAM Size
128 x 8
Voltage - Supply (Vcc/Vdd)
1.8V ~ 5.5V
Data Converters
A/D 10x10b; D/A 1x8b
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)
Base Product Number
ATTINY214
Datasheet & Documents
HTML Datasheet
ATTINY214-SSNR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.31.0001
Additional Information
Other Names
ATTINY214-SSNRTR
ATTINY214-SSNRDKR
ATTINY214-SSNRCT
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
Ich schätze die günstigen Preise bei DiGi Electronics und die nette Beratung vor Ort. Immer wieder gern!
грудня 02, 2025
細やかな気配りとフレンドリーなサービスに感激しています。
грудня 02, 2025
価格の安さに驚きつつ、スタッフの対応も非常に良く、満足度高かったです。
грудня 02, 2025
The packaging quality ensures products arrive flawless regardless of distance.
грудня 02, 2025
I appreciated the clear categorization and search functionalities on the site.
грудня 02, 2025
DiGi Electronics offers excellent after-sales assistance, which makes me confident in continuing to shop with them.
грудня 02, 2025
I appreciate how affordable DiGi Electronics is without compromising on quality.
грудня 02, 2025
Efficient logistics reduce downtime and help me stay productive.
грудня 02, 2025
Choosing DiGi Electronics means choosing reliable quality at an affordable price.
грудня 02, 2025
Their packaging design is modern and minimalist, making the unboxing experience feel premium.
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Frequently Asked Questions (FAQ)
Can the ATTINY214-SSNR replace an ATtiny85 in a battery-powered sensor node without redesigning the power management circuit, given its wider voltage range and lower quiescent current?
Yes, the ATTINY214-SSNR can often drop into ATtiny85-based designs with minimal changes due to its compatible 1.8V–5.5V operating range and similar low-power modes, but you must verify pin compatibility and peripheral mapping—the ATTINY214 uses a different pinout and lacks direct PWM channel parity. Additionally, while both support sleep currents under 1µA, the ATTINY214’s Event System and configurable custom logic may reduce external component count, improving overall system efficiency. Always revalidate brown-out detection thresholds and reset behavior under low-voltage conditions to avoid unintended resets in marginal supply scenarios.
What are the key reliability risks when using the ATTINY214-SSNR in automotive under-hood applications near its 105°C limit, and how does its Functional Safety (FuSa) qualification help mitigate them?
Operating the ATTINY214-SSNR at or near its 105°C ambient rating increases risk of flash data retention degradation, oscillator drift, and accelerated electromigration—especially if duty cycling is high. However, its FuSa certification (IEC 61508 SIL2-capable) provides documented fault detection mechanisms like windowed watchdog, BOD, and parity-protected RAM, which are critical for fail-safe operation. To ensure reliability, derate the maximum junction temperature by at least 10°C, avoid sustained operation above 95°C TA, and implement periodic self-tests using the built-in ADC to monitor internal references as an early indicator of aging.
How does the ATTINY214-SSNR compare to the STM32G031K8T6 for cost-sensitive industrial control applications requiring LIN communication and analog sensing—should I switch?
The ATTINY214-SSNR is a compelling alternative to the STM32G031K8T6 when BOM cost, power, and simplicity outweigh the need for ARM Cortex-M0+ performance or larger memory. Both support LIN via UART, but the ATTINY214 integrates a true 10-bit ADC and 8-bit DAC with lower peripheral latency, beneficial for tight control loops. However, the STM32 offers more robust clock options, better ESD protection, and wider third-party tooling. Stick with the ATTINY214-SSNR if your firmware fits in 2KB flash and you prioritize sub-$0.50 pricing in volume; otherwise, the STM32 provides headroom for future feature creep at the expense of complexity and cost.
Is it safe to run the ATTINY214-SSNR at 20MHz with a 3.3V supply in a noisy industrial environment, and what layout practices minimize EMI-related resets?
Yes, the ATTINY214-SSNR supports 20MHz operation down to 2.7V (per datasheet), so 3.3V is sufficient—but in high-noise environments, internal oscillator jitter and supply transients can trigger unintended resets. Mitigate this by placing a 100nF ceramic capacitor within 2mm of VDD/GND pins, using a ground plane beneath the MCU, and enabling the Brown-Out Detect (BOD) at 2.6V or 2.1V level. Avoid routing high-dv/dt signals (e.g., motor drives) near XTAL or RESET lines. The internal oscillator is factory-trimmed, but consider adding a software-based clock monitor using the Event System to detect frequency anomalies and enter safe mode if drift exceeds 5%.
Can I use the ATTINY214-SSNR’s internal 8-bit DAC to directly drive an H-bridge gate without a buffer in a low-power motor control application, and what are the risks?
No—the ATTINY214-SSNR’s 8-bit DAC output has high output impedance (typically >10kΩ) and limited current sourcing capability (<1mA), making it unsuitable for directly driving H-bridge gates, which usually require 10–100mA peak currents for fast switching. Attempting to do so will result in slow rise/fall times, increased switching losses, and potential shoot-through. Instead, use the DAC to generate a reference voltage for a comparator or op-amp that controls a dedicated gate driver (e.g., TC4427). This preserves the ATTINY214-SSNR’s low-power advantage while ensuring reliable, efficient motor control and protecting the MCU from inductive kickback.
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.
ATTINY214-SSNR CAD Models
Microchip Technology ATTINY214-SSNR PCB symbols & footprints
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