SST26WF016BA-104I/CS Equivalent & Substitute Parts

Part Overview

The SST26WF016BA-104I/CS is a 16Mbit Serial Flash memory IC manufactured by Microchip Technology, featuring SPI Quad I/O interface capability at 104 MHz clock frequency. This component is packaged in an 8-CSP (8-pin Chip Scale Package) form factor and operates across the industrial temperature range of -40°C to 85°C. The part is currently classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and ongoing production requirements.

Substiute Parts

SST26WF016BA-104I/CS

Microchip TechnologyIn Stock: 1185SST26WF016BA-104I/CS Datasheet

Current PartRFQ

SST26WF016BT-104I/CS

Microchip TechnologyIn Stock: 2164SST26WF016BT-104I/CS Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SST26WF016BA-104I/CS is determined by strict equivalence across the following critical parameters:

• Memory capacity: 16Mbit (2M x 8 organization)
• Interface protocol: SPI with Quad I/O capability
• Maximum clock frequency: 104 MHz minimum
• Supply voltage range: 1.65V to 1.95V
• Operating temperature range: -40°C to 85°C minimum
• Package format: 8-CSP (8-pin Chip Scale Package)
• RoHS compliance: ROHS3 standard

Parts meeting all these criteria are classified as direct functional equivalents. Variations in product status (obsolete versus active) and moisture sensitivity level do not affect electrical or mechanical compatibility when all specified parameters align.

Parameter Comparison

Engineering Selection Recommendations

The SST26WF016BT-104I/CS serves as the direct functional equivalent for the obsolete SST26WF016BA-104I/CS. Both parts are manufactured by Microchip Technology within the SST26 SQI® series and maintain identical electrical specifications across memory capacity, interface protocol, clock frequency, voltage requirements, and temperature operating range.

The primary distinction between these parts is product lifecycle status: the BA variant is obsolete while the BT variant maintains active production status. Both parts satisfy ROHS3 compliance requirements. The difference in moisture sensitivity level (MSL 1 versus MSL 3) reflects manufacturing process variations but does not affect functional compatibility or electrical performance in equivalent operating conditions.

For new designs and production continuity, the SST26WF016BT-104I/CS is the appropriate selection due to its active availability and ongoing manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can SST26WF016BT-104I/CS be used as a direct replacement for SST26WF016BA-104I/CS?

A: Yes. Both parts are electrically and mechanically equivalent. They share identical memory capacity (16Mbit), interface protocol (SPI Quad I/O), clock frequency (104 MHz), supply voltage range (1.65V–1.95V), operating temperature range (-40°C to 85°C), and package format (8-CSP). The BT variant is the active production equivalent of the obsolete BA variant.

Q: Are there any compatibility concerns with the 8-CSP package?

A: No. Both parts use identical 8-pin Chip Scale Package (8-UFBGA, CSPBGA) form factors with surface mount mounting type. PCB footprints and solder reflow profiles remain unchanged between variants.

Q: Does the difference in Moisture Sensitivity Level affect substitution?

A: No. MSL differences (1 versus 3) relate to storage and handling conditions prior to assembly, not to functional performance or electrical characteristics. Both parts meet ROHS3 compliance and operate identically within specified electrical parameters.

Q: What is the inventory status for these parts?

A: SST26WF016BA-104I/CS is listed as obsolete with 1110 pieces in stock. SST26WF016BT-104I/CS is active production with 2100 pieces in stock.

Q: Are both parts suitable for industrial temperature applications?

A: Yes. Both parts operate across the industrial temperature range of -40°C to 85°C (TA), meeting requirements for extended temperature environments.