Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
ATTINY15L-1PI
Microchip Technology
IC MCU 8BIT 1KB FLASH 8DIP
3385 Pcs New Original In Stock
AVR AVR® ATtiny Microcontroller IC 8-Bit 1.6MHz 1KB (512 x 16) FLASH 8-PDIP
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (434 Ratings)
ATTINY15L-1PI
Product Overview
1289350
DiGi Electronics Part Number
ATTINY15L-1PI-DGManufacturer
Microchip Technology
ATTINY15L-1PI
Description
IC MCU 8BIT 1KB FLASH 8DIPInventory
3385 Pcs New Original In Stock
AVR AVR® ATtiny Microcontroller IC 8-Bit 1.6MHz 1KB (512 x 16) FLASH 8-PDIP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
ATTINY15L-1PI Technical Specifications
Category
Embedded, Microcontrollers
Packaging
-
Series
AVR® ATtiny
Product Status
Obsolete
DiGi-Electronics Programmable
Not Verified
Core Processor
AVR
Core Size
8-Bit
Speed
1.6MHz
Connectivity
-
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
6
Program Memory Size
1KB (512 x 16)
Program Memory Type
FLASH
EEPROM Size
64 x 8
RAM Size
-
Voltage - Supply (Vcc/Vdd)
2.7V ~ 5.5V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Through Hole
Supplier Device Package
8-PDIP
Package / Case
8-DIP (0.300", 7.62mm)
Base Product Number
ATTINY15
Datasheet & Documents
HTML Datasheet
ATTINY15L-1PI-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.31.0001
Additional Information
Standard Package
50
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)
de desembre 02, 2025
J’apprécie leur souci pour la planète avec des emballages recyclables, tout en restant abordable.
de desembre 02, 2025
コスパ良し、環境にやさしい包装も良し！また利用します。
de desembre 02, 2025
The excellence in quality at DiGi Electronics never fails to impress.
de desembre 02, 2025
I appreciate their transparent and efficient logistics monitoring.
de desembre 02, 2025
The consistency in their stock levels and support sets a benchmark in the industry.
de desembre 02, 2025
Their prices are so competitive, it’s hard to find better value elsewhere.
de desembre 02, 2025
Quick and reliable delivery services set DiGi Electronics apart from competitors.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Is the ATTINY15L-1PI still a viable choice for new low-power embedded designs given that it's marked as obsolete, and what are the key risks of designing it into a production system today?
The ATTINY15L-1PI is not recommended for new designs due to its obsolete status, which means Microchip no longer supports it with updates, errata fixes, or long-term availability guarantees. Designing it into a production system risks supply chain disruptions, lack of technical support, and potential end-of-life (EOL) notifications without replacement options. If you're prototyping or maintaining legacy systems, it may be usable, but for scalable or long-lifecycle products, consider migrating to a supported alternative like the ATTINY25-20PU, which offers pin compatibility, enhanced memory, and active manufacturer support.
Can I safely replace the ATTINY15L-1PI with an ATTINY25-20PU in an existing through-hole PCB design without modifying the layout or firmware?
The ATTINY25-20PU is a functional upgrade path for the ATTINY15L-1PI and shares the same 8-PDIP package and pinout, making it a drop-in replacement in most cases. However, firmware modifications are likely needed due to differences in fuse bit configurations, clock prescaler defaults, and peripheral register mappings—especially for PWM and ADC modules. Additionally, the ATTINY25 runs at up to 20MHz (vs. 1.6MHz internal on the ATTINY15L-1PI), so timing-critical code must be reviewed. Always validate power-on reset behavior and brown-out detection settings during migration to avoid startup failures.
What are the real-world reliability concerns when operating the ATTINY15L-1PI at its minimum 2.7V supply voltage in industrial environments with temperature swings from -20°C to 70°C?
Operating the ATTINY15L-1PI at 2.7V near its lower voltage limit increases susceptibility to brown-out conditions during transient load spikes or supply droops, especially under temperature stress. While the datasheet specifies -40°C to 85°C operation, internal oscillator accuracy degrades at low voltage and extreme temperatures, potentially causing timing drift in communication or PWM outputs. To mitigate risk, use a well-regulated 3.3V supply with decoupling capacitors and enable the brown-out detection (BOD) feature. Avoid relying on internal RC calibration for precision timing in such conditions—external crystals aren't supported, so consider a higher-voltage design margin if timing integrity is critical.
How does the limited 1KB Flash and 64-byte EEPROM of the ATTINY15L-1PI impact firmware development for sensor logging applications, and when should I consider upgrading to a larger AVR variant?
The 1KB Flash severely constrains firmware complexity—leaving minimal space for bootloaders, communication stacks (e.g., UART over bit-banging), or error handling—while the 64-byte EEPROM limits data logging to only a few sensor readings. For applications requiring more than basic state tracking or periodic calibration storage, this memory ceiling becomes a hard barrier. If your design involves even simple data buffering, over-the-air updates, or multiple operational modes, upgrading to the ATTINY25-20PU (2KB Flash, 128-byte EEPROM) or ATTINY45-20PU (4KB Flash) is strongly advised. The slight increase in unit cost is justified by reduced firmware complexity and future-proofing.
Since the ATTINY15L-1PI lacks hardware UART and SPI, can I reliably implement asynchronous serial communication using bit-banged GPIO, and what are the pitfalls under low-voltage, low-clock-speed operation?
Yes, bit-banged UART is feasible on the ATTINY15L-1PI using its 6 I/O pins, but reliability drops significantly at 1.6MHz internal clock and 2.7V due to increased instruction cycle jitter and reduced noise margin. Timing accuracy suffers because the internal oscillator can drift ±10% over voltage and temperature, leading to framing errors at standard baud rates like 9600. To improve robustness, use lower baud rates (e.g., 1200 or 2400), implement software-based start-bit validation, and avoid interrupts during transmission. For mission-critical serial links, consider switching to a modern alternative like the ATTINY25-20PU, which supports higher clock speeds and more stable timing, or add an external oscillator if signal integrity is paramount.
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.
ATTINY15L-1PI CAD Models
Microchip Technology ATTINY15L-1PI PCB symbols & footprints
productDetail
