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W25Q64JV — graded alternatives

winbond

4 verified matches, sorted by compatibility grade and evidence strength. Differences are listed before any compatibility claim. Data source: live tenant catalog. Data verified: 2026-07-13T00:00:00.000Z

The closest documented alternative to W25Q64JV is GigaDevice GD25B64E, graded FUNC (functional alternative that may need board or BOM changes, medium confidence). Key difference to review first: Industry-standard SPI NOR pinout (SOP8/USON8/WSON8); most of the command set is compatible. 3 further graded candidates listed below. Every match is an engineering-review candidate, not an unqualified drop-in claim.

Grading methodology: how grades and evidence classes work.

Known differences: GD25B64E vs W25Q64JV

Differences for the other candidates are listed per match below.

4 GRADED MATCHESSORTED BY GRADE · EVIDENCE STRENGTH
FUNCCONF · MEDIUM
GD25B64E★ BEST MATCH
GigaDevice · GigaDevice GD25B64E Nor Flash component with source-traceable manufacturer data.
Catalog evidence
Sourcing unconfirmed
Detail
NOT IDENTICAL
  • Industry-standard SPI NOR pinout (SOP8/USON8/WSON8); most of the command set is compatible
  • Status-register layout, QE bit default and security-register implementation vary by vendor — verify firmware and production programmer
  • AC timing and deep-power-down parameters differ; check datasheet before swapping
EVIDENCE
Density / voltage / interface follow naming convention — industry second-source practice · checked 2026-07-13T00:00:00.000Z
E5GigaDevice 2026 selection guide, Flash parametric tables (E5) · checked 2026-07-13T00:00:00.000Z
FUNCCONF · MEDIUM
GigaDevice · GigaDevice GD25B64H Nor Flash component with source-traceable manufacturer data.
Catalog evidence
Sourcing unconfirmed
Detail
NOT IDENTICAL
  • Industry-standard SPI NOR pinout (SOP8/USON8/WSON8); most of the command set is compatible
  • Status-register layout, QE bit default and security-register implementation vary by vendor — verify firmware and production programmer
  • AC timing and deep-power-down parameters differ; check datasheet before swapping
EVIDENCE
Density / voltage / interface follow naming convention — industry second-source practice · checked 2026-07-13T00:00:00.000Z
E5GigaDevice 2026 selection guide, Flash parametric tables (E5) · checked 2026-07-13T00:00:00.000Z
FUNCCONF · MEDIUM
GigaDevice · GigaDevice GD25Q64E Nor Flash component with source-traceable manufacturer data.
Catalog evidence
Sourcing unconfirmed
Detail
NOT IDENTICAL
  • Industry-standard SPI NOR pinout (SOP8/USON8/WSON8); most of the command set is compatible
  • Status-register layout, QE bit default and security-register implementation vary by vendor — verify firmware and production programmer
  • AC timing and deep-power-down parameters differ; check datasheet before swapping
EVIDENCE
Density / voltage / interface follow naming convention — industry second-source practice · checked 2026-07-13T00:00:00.000Z
E5GigaDevice 2026 selection guide, Flash parametric tables (E5) · checked 2026-07-13T00:00:00.000Z
FUNCCONF · MEDIUM
GigaDevice · GigaDevice GD25Q64H Nor Flash component with source-traceable manufacturer data.
Catalog evidence
Sourcing unconfirmed
Detail
NOT IDENTICAL
  • Industry-standard SPI NOR pinout (SOP8/USON8/WSON8); most of the command set is compatible
  • Status-register layout, QE bit default and security-register implementation vary by vendor — verify firmware and production programmer
  • AC timing and deep-power-down parameters differ; check datasheet before swapping
EVIDENCE
Density / voltage / interface follow naming convention — industry second-source practice · checked 2026-07-13T00:00:00.000Z
E5GigaDevice 2026 selection guide, Flash parametric tables (E5) · checked 2026-07-13T00:00:00.000Z
SIDE-BY-SIDE PARAMETERS — CROSS-BRAND, W25Q64JV
SPECGD25B64E
GigaDevice · FUNC
GD25B64H
GigaDevice · FUNC
GD25Q64E
GigaDevice · FUNC
GD25Q64H
GigaDevice · FUNC
Flash64Mb64Mb64Mb64Mb
PackageUSON8 3x4mm USON8 4x4mm SOP8 208mil SOP16 300mil WSON8 6x5mmUSON8 3x4mm SOP8 150mil SOP8 208mil WSON8 6x5mmUSON8 3x4mm USON8 4x4mm SOP8 150mil SOP8 208mil SOP16 300mil WSON8 6x5mm WSON8 8x6mmFO-USON8 3x2mm USON8 3x4mm USON8 4x4mm SOP8 150mil SOP8 208mil SOP16 300mil WSON8 6x5mm WSON8 8x6mm
Manufacturer-sourced parameters. The original winbond part's figures are on its own datasheet; differences that matter are itemized per match above.
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Engineering questions about this cross-reference

What are the differences between GD25B64E and W25Q64JV?

Documented differences: Industry-standard SPI NOR pinout (SOP8/USON8/WSON8); most of the command set is compatible; Status-register layout, QE bit default and security-register implementation vary by vendor — verify firmware and production programmer; AC timing and deep-power-down parameters differ; check datasheet before swapping. Review each against your application before committing.

Is GD25B64E a drop-in replacement for W25Q64JV?

GD25B64E is a FUNC-graded engineering-review candidate (functional alternative that may need board or BOM changes). At minimum, review: Industry-standard SPI NOR pinout (SOP8/USON8/WSON8); most of the command set is compatible. Production use requires validation on your board.

What is the difference between P2P, PIN and FUNC grades?

P2P is a documented drop-in candidate, PIN keeps the package and pinout but needs firmware work, and FUNC is functionally similar but may require a board or BOM change.