AT17F080-30BJI Equivalent & Substitute Parts

Part Overview

The AT17F080-30BJI is a Flash memory integrated circuit manufactured by Microchip Technology, classified as a programmable memory device with 8Mb capacity. This component is designed for configuration storage applications and operates within a supply voltage range of 2.97V to 3.63V across an operating temperature range of -40°C to 85°C. The part is currently listed as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing system support and new design implementations.

Substiute Parts

AT17F080-30BJI

Microchip TechnologyIn Stock: 861AT17F080-30BJI Datasheet

Current PartRFQ

AT17F080-30JU

Microchip TechnologyIn Stock: 1504AT17F080-30JU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AT17F080-30BJI is determined by the following critical parameters:

• Base Product Number Match: Both parts must share the AT17F080 base designation, confirming identical core memory architecture and functionality
• Memory Capacity: 8Mb capacity requirement ensures data storage compatibility
• Programmable Type: FLASH memory type maintains functional equivalence
• Voltage Supply Range: 2.97V ~ 3.63V operating range ensures electrical compatibility with existing power delivery systems
• Operating Temperature Range: -40°C ~ 85°C specification ensures thermal compatibility across intended application environments
• Mounting Type: Surface Mount classification confirms PCB assembly compatibility

The AT17F080-30JU meets all substitution criteria and is classified as a direct equivalent based on these parameters.

Parameter Comparison

Engineering Selection Recommendations

The AT17F080-30JU is the qualified substitute for the obsolete AT17F080-30BJI. Selection of this substitute is supported by the following factors:

• Product Status: The substitute maintains Active status, ensuring continued availability and manufacturing support from Microchip Technology
• Functional Equivalence: Identical memory capacity, voltage specifications, and operating temperature range confirm direct functional compatibility
• Compliance Enhancement: The substitute achieves ROHS3 compliance, addressing regulatory requirements that may apply to new designs or system updates
• Electrical Compatibility: Matching voltage supply and temperature specifications eliminate the need for circuit redesign

The primary design consideration is the package transition from 44-PLCC to 20-PLCC, which requires PCB layout modification and component footprint adjustment.

Frequently Asked Questions (FAQ)

Q: Can the AT17F080-30JU be used as a direct replacement without circuit modification?

A: The AT17F080-30JU provides electrical and functional equivalence. However, the package change from 44-PLCC to 20-PLCC requires PCB footprint redesign and component placement adjustment. Electrical connections remain compatible.

Q: What is the significance of the package size difference between the main part and substitute?

A: The main part uses a 44-PLCC package (16.6x16.6mm), while the substitute uses a 20-PLCC package (9x9mm). This represents a physical size reduction and requires corresponding PCB layout modifications. Pin configuration differences must be verified during design integration.

Q: Does the RoHS compliance difference affect substitution eligibility?

A: The substitute's ROHS3 compliance represents an improvement over the non-compliant main part. This compliance status is advantageous for applications subject to environmental regulations and does not restrict substitution.

Q: What is the impact of the Moisture Sensitivity Level (MSL) change?

A: The main part specifies MSL 2 (1 Year), while the substitute specifies MSL 3 (168 Hours). This indicates more stringent moisture handling requirements for the substitute during storage and assembly. Appropriate moisture control procedures must be implemented during component handling and PCB assembly.

Q: Are there any inventory or supply chain considerations?

A: The substitute part (AT17F080-30JU) is listed as Active with 1420 units in stock, compared to the obsolete main part with 798 units. The substitute offers superior long-term availability and supply chain stability.