ATTINY11-6PI Equivalent & Substitute Parts

Part Overview

The ATTINY11-6PI is an 8-bit AVR microcontroller from Microchip Technology's ATtiny series, featuring 1KB of FLASH program memory and a 6MHz internal oscillator. This device is designed for embedded applications requiring minimal footprint and power consumption in Through Hole 8-DIP packaging.

The ATTINY11-6PI carries an Obsolete product status, making it necessary to identify functionally compatible alternatives for new designs and ongoing production requirements. Substitute parts must maintain electrical and mechanical compatibility while meeting current manufacturing and compliance standards.

Substiute Parts

ATTINY11-6PI

Microchip TechnologyIn Stock: 1165ATTINY11-6PI Datasheet

Current PartRFQ

ATTINY13-20PU

Microchip TechnologyIn Stock: 11501ATTINY13-20PU Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ATTINY11-6PI is based on strict alignment of the following critical parameters:

• Core Architecture: AVR processor family ensures instruction set compatibility
• Memory Configuration: 1KB FLASH program memory maintains code capacity equivalence
• I/O Count: 6 I/O pins preserve pin-level functionality
• Package Type: 8-DIP Through Hole packaging ensures mechanical and electrical socket compatibility
• Voltage Supply Range: Operating range must encompass or exceed the original 4V ~ 5.5V specification
• Operating Temperature: Full -40°C ~ 85°C range required for industrial applications

The ATTINY13-20PU meets all substitution criteria while offering enhanced specifications including higher clock speed (20MHz), expanded memory (64 x 8 EEPROM and RAM), and improved peripheral integration.

Parameter Comparison

Engineering Selection Recommendations

The ATTINY13-20PU is the qualified substitute for the ATTINY11-6PI based on the following engineering criteria:

Electrical Compatibility: Both devices share identical core architecture (AVR 8-bit), program memory capacity (1KB FLASH), I/O pin count (6), and operating temperature range (-40°C ~ 85°C). The ATTINY13-20PU operates across a wider voltage supply range (2.7V ~ 5.5V), providing enhanced flexibility for power supply design.

Mechanical Compatibility: Both devices utilize identical 8-DIP Through Hole packaging (0.300", 7.62mm), ensuring direct socket compatibility without PCB redesign.

Product Status and Compliance: The ATTINY11-6PI is Obsolete, while the ATTINY13-20PU maintains Active product status with current manufacturing availability. The ATTINY13-20PU achieves ROHS3 compliance, meeting modern regulatory requirements, whereas the ATTINY11-6PI is RoHS non-compliant.

Performance Enhancement: The ATTINY13-20PU provides 20MHz clock speed compared to the original 6MHz, along with integrated peripherals including Brown-out Detect/Reset, POR, PWM, and 4-channel 10-bit A/D converter, supporting more demanding embedded applications.

Frequently Asked Questions (FAQ)

Q: Can the ATTINY13-20PU directly replace the ATTINY11-6PI without PCB modifications?

A: Yes. Both devices use identical 8-DIP Through Hole packaging with matching pin assignments for the AVR core functionality. No PCB layout changes are required for mechanical and electrical socket compatibility.

Q: What are the key differences between these devices?

A: The primary differences are clock speed (6MHz vs. 20MHz), product status (Obsolete vs. Active), RoHS compliance (non-compliant vs. ROHS3 compliant), and peripheral integration. The ATTINY13-20PU includes EEPROM, RAM, Brown-out Detect/Reset, POR, PWM, and A/D converter functionality not present in the ATTINY11-6PI.

Q: Is the voltage supply range compatible?

A: Yes. The ATTINY11-6PI operates at 4V ~ 5.5V, while the ATTINY13-20PU operates at 2.7V ~ 5.5V. The substitute part's wider range encompasses the original specification, ensuring compatibility with existing power supply designs.

Q: Does the higher clock speed of the ATTINY13-20PU affect power consumption?

A: Higher clock speed typically increases dynamic power consumption. However, the ATTINY13-20PU's enhanced architecture and lower minimum voltage (2.7V) may provide overall power efficiency benefits depending on application requirements. Detailed power analysis should reference device datasheets.

Q: Are there any firmware compatibility considerations?

A: Both devices share the AVR instruction set architecture. Firmware written for the ATTINY11-6PI will execute on the ATTINY13-20PU. However, the ATTINY13-20PU's additional peripherals and memory require appropriate firmware configuration to utilize new features.

Q: What is the inventory status for the ATTINY13-20PU?

A: The ATTINY13-20PU maintains 11,400 pieces in new original stock, ensuring reliable supply for production requirements. The ATTINY11-6PI has 1,107 pieces available but carries Obsolete status.