ATTINY11L-2PI Equivalent & Substitute Parts

Part Overview

The ATTINY11L-2PI is an 8-bit AVR microcontroller from Microchip Technology's ATtiny series, featuring 1KB of FLASH program memory and operating at 2MHz. This device is designed for embedded applications requiring minimal processing power and low pin count (8-PDIP package with 6 I/O pins). The ATTINY11L-2PI carries an Obsolete product status, making identification of functionally compatible alternatives essential for ongoing design support and production continuity.

Substiute Parts

ATTINY11L-2PI

Microchip TechnologyIn Stock: 1109ATTINY11L-2PI Datasheet

Current PartRFQ

ATTINY13-20PU

Microchip TechnologyIn Stock: 11501ATTINY13-20PU Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ATTINY11L-2PI is determined by the following critical parameters:

• Core Architecture: AVR processor family ensures instruction set compatibility
• Package Type: 8-DIP (0.300", 7.62mm) maintains PCB layout and socket compatibility
• Program Memory: 1KB FLASH minimum requirement for code storage
• I/O Pin Count: 6 I/O pins for peripheral connectivity
• Supply Voltage Range: 2.7V ~ 5.5V operational envelope
• Operating Temperature: -40°C ~ 85°C industrial range

The ATTINY13-20PU meets all substitution criteria while offering enhanced capabilities including higher clock speed (20MHz), additional on-chip peripherals (Brown-out Detect/Reset, PWM), and expanded memory (64 x 8 EEPROM and RAM). Both devices share identical packaging, pin configuration, and core voltage specifications.

Parameter Comparison

Engineering Selection Recommendations

The ATTINY13-20PU is the designated substitute for the obsolete ATTINY11L-2PI based on the following engineering criteria:

Product Status: The ATTINY11L-2PI is classified as Obsolete, creating supply chain risk. The ATTINY13-20PU maintains Active product status with confirmed inventory availability (11,400 units), ensuring long-term procurement viability.

Compliance and Certifications: The ATTINY13-20PU achieves ROHS3 compliance, whereas the ATTINY11L-2PI is RoHS non-compliant. Both devices maintain REACH Unaffected status and EAR99 export classification. The ATTINY13-20PU's enhanced compliance posture aligns with current regulatory requirements for electronic component procurement.

Functional Compatibility: Both devices employ identical AVR core architecture, 8-DIP packaging, and pin configuration. The ATTINY13-20PU provides backward compatibility with existing PCB layouts and socket implementations while offering superior performance headroom through 10x clock speed increase (20MHz vs. 2MHz).

Frequently Asked Questions (FAQ)

Q: Can the ATTINY13-20PU directly replace the ATTINY11L-2PI in existing designs?

A: Yes. Both devices share identical 8-DIP package dimensions (0.300", 7.62mm), pin count (6 I/O), and supply voltage range (2.7V ~ 5.5V). No PCB modifications or socket changes are required. Code compiled for the ATTINY11L-2PI will execute on the ATTINY13-20PU without modification, though the higher clock speed (20MHz vs. 2MHz) may require timing-dependent code review.

Q: What are the key differences between these devices?

A: The ATTINY13-20PU provides enhanced capabilities: 10x faster clock speed (20MHz), integrated EEPROM (64 x 8), RAM (64 x 8), analog-to-digital converter (4x10-bit), PWM functionality, and brown-out detection. The ATTINY11L-2PI offers only a watchdog timer. Both maintain identical program memory (1KB FLASH) and I/O pin count.

Q: Are there any compatibility concerns with the higher clock speed?

A: The ATTINY13-20PU's 20MHz operation is backward compatible with applications designed for 2MHz. Timing-critical code sections should be reviewed to ensure proper operation at the increased clock frequency. The internal oscillator type remains consistent across both devices.

Q: What is the impact of RoHS compliance differences?

A: The ATTINY13-20PU's ROHS3 compliance satisfies current environmental and regulatory requirements for component procurement in most jurisdictions. The ATTINY11L-2PI's RoHS non-compliant status may restrict its use in new designs or applications subject to RoHS regulations.

Q: Is the ATTINY13-20PU available in the same packaging options?

A: The ATTINY13-20PU is supplied in Tube packaging, maintaining the 8-PDIP form factor. Both devices are through-hole mounted components with identical physical dimensions and pin spacing.