Equivalent & Substitute Parts for 25AA160D-I/MS

Part Overview

The 25AA160D-I/MS is a 16Kbit EEPROM memory IC manufactured by Microchip Technology, featuring SPI interface operation at 10 MHz with 8-MSOP surface mount packaging. This component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the allowed parameter set, enabling direct replacement in applications where the original part becomes unavailable or when alternative sourcing is required.

Substiute Parts

25AA160D-I/MS

Microchip TechnologyIn Stock: 115825AA160D-I/MS Datasheet

Current PartRFQ

25AA160B-I/MS

Microchip TechnologyIn Stock: 105425AA160B-I/MS Datasheet

MFR RecommendedRFQ

25AA160C-I/MS

Microchip TechnologyIn Stock: 159825AA160C-I/MS Datasheet

MFR RecommendedRFQ

AT25160B-XHL-B

Microchip TechnologyIn Stock: 4405AT25160B-XHL-B Datasheet

MFR RecommendedRFQ

BR25H160FVM-2CTR

Rohm SemiconductorIn Stock: 1017BR25H160FVM-2CTR Datasheet

MFR RecommendedRFQ

CAT25160YI-GT3

onsemiIn Stock: 3159CAT25160YI-GT3 Datasheet

MFR RecommendedRFQ

CAV25160YE-GT3

onsemiIn Stock: 1581CAV25160YE-GT3 Datasheet

MFR RecommendedRFQ

S-25C160A0I-K8T3U3

ABLIC Inc.In Stock: 1105S-25C160A0I-K8T3U3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 25AA160D-I/MS is determined by strict adherence to the following core parameters: 16Kbit memory capacity, 2K x 8 organization, SPI interface protocol, and surface mount packaging. Parts are grouped into two categories based on package compatibility and operational frequency:

Category A - Direct Package Match (8-MSOP): Parts maintaining identical 8-MSOP packaging with 10 MHz operation and matching voltage/temperature specifications enable pin-for-pin replacement without PCB modification.

Category B - Compatible Package Variant (8-TSSOP): Parts with 8-TSSOP packaging maintain electrical compatibility but require PCB footprint adjustment. These parts operate at 20 MHz, providing enhanced frequency capability while maintaining backward compatibility with 10 MHz applications.

Category C - Specialized Variants: Parts with automotive qualification (AEC-Q100) or extended temperature ranges provide functional equivalence with additional performance certifications for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Direct Replacement): 25AA160B-I/MS and 25AA160C-I/MS maintain identical electrical and mechanical specifications to the 25AA160D-I/MS, enabling direct pin-for-pin replacement without design modification. Both parts are manufactured by Microchip Technology and carry ROHS3 compliance.

Secondary Substitutes (Package Variant): AT25160B-XHL-B and CAT25160YI-GT3 provide functional equivalence with 8-TSSOP packaging. These parts operate at 20 MHz, exceeding the 10 MHz specification of the original part. PCB footprint modification is required for implementation.

Specialized Application Substitutes: BR25H160FVM-2CTR (Rohm Semiconductor) and CAV25160YE-GT3 (onsemi) include automotive-grade qualification with AEC-Q100 certification and extended operating temperature to 125°C. BR25H160FVM-2CTR maintains 8-MSOP packaging compatibility. These parts are suitable for automotive and industrial applications requiring enhanced temperature performance.

Limited Compatibility Substitute: S-25C160A0I-K8T3U3 operates at reduced clock frequency (5 MHz) and uses 8-TMSOP packaging. This part is suitable only for applications where lower frequency operation is acceptable and PCB redesign is feasible.

Frequently Asked Questions (FAQ)

Q: Can 25AA160B-I/MS directly replace 25AA160D-I/MS without PCB modification?

A: Yes. Both parts share identical 8-MSOP packaging, electrical specifications, and operating parameters. Direct pin-for-pin replacement is possible without PCB redesign.

Q: What is the difference between 8-MSOP and 8-TSSOP packages?

A: Package dimensions differ: 8-MSOP measures 0.118" (3.00mm) width, while 8-TSSOP measures 0.173" (4.40mm) width. PCB footprints are not interchangeable without layout modification.

Q: Can AT25160B-XHL-B operate in applications designed for 10 MHz operation?

A: Yes. AT25160B-XHL-B operates at 20 MHz, which is backward compatible with 10 MHz applications. The higher frequency capability does not prevent operation at lower clock speeds. However, 8-TSSOP packaging requires PCB footprint adjustment.

Q: What is the advantage of BR25H160FVM-2CTR over the original 25AA160D-I/MS?

A: BR25H160FVM-2CTR provides automotive-grade qualification (AEC-Q100) and extended operating temperature range (-40°C to 125°C versus -40°C to 85°C). It maintains 8-MSOP packaging compatibility. The write cycle time is reduced to 4ms. These features are beneficial for automotive and industrial applications requiring enhanced reliability.

Q: Is CAV25160YE-GT3 suitable for standard commercial applications?

A: CAV25160YE-GT3 is automotive-qualified with AEC-Q100 certification and extended temperature range. While it functions in commercial applications, it is optimized for automotive use. Standard commercial applications may use CAT25160YI-GT3, which provides equivalent electrical performance without automotive qualification.

Q: What voltage range considerations apply when selecting a substitute?

A: The original 25AA160D-I/MS operates from 1.8V to 5.5V. BR25H160FVM-2CTR and CAV25160YE-GT3 operate from 2.5V to 5.5V, requiring minimum 2.5V supply voltage. Applications using 1.8V to 2.4V supplies must use parts with 1.8V minimum specification.

Q: Can S-25C160A0I-K8T3U3 replace 25AA160D-I/MS in existing designs?

A: S-25C160A0I-K8T3U3 provides functional memory equivalence but operates at 5 MHz clock frequency and uses 8-TMSOP packaging. Substitution requires verification that application timing tolerates 5 MHz operation and PCB redesign for package compatibility.