W29GL032CB7S Equivalent & Substitute Parts

Part Overview

The W29GL032CB7S is a 32Mbit parallel NOR Flash memory integrated circuit manufactured by Winbond Electronics in a 48-TSOP surface mount package. This device operates with a 70 ns access time and supports both 4M x 8 and 2M x 16 memory organization configurations. The part is classified as obsolete, necessitating identification of active equivalent alternatives for ongoing design support and procurement requirements. Substitute parts must maintain electrical compatibility across memory capacity, interface type, timing specifications, and physical packaging to ensure direct functional replacement.

Substiute Parts

W29GL032CB7S

Winbond ElectronicsIn Stock: 5105W29GL032CB7S Datasheet

Current PartRFQ

MX29LV320EBTI-70G

MacronixIn Stock: 61163MX29LV320EBTI-70G Datasheet

SimilarRFQ

MX29LV320ETTI-70G

MacronixIn Stock: 40314MX29LV320ETTI-70G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the W29GL032CB7S are qualified based on strict equivalence across the following critical parameters:

Memory Capacity & Organization: All substitutes maintain 32Mbit total capacity with 4M x 8 organization to ensure address and data bus compatibility.

Interface & Timing: Parallel interface architecture with 70 ns access time and write cycle time specifications are preserved across all substitute options.

Electrical Specifications: Supply voltage range (2.7V ~ 3.6V) and operating temperature range (-40°C ~ 85°C) remain identical to enable direct circuit integration without modification.

Physical Packaging: All substitutes utilize the 48-TFSOP package with 0.724" (18.40mm) width, ensuring pin-for-pin compatibility and PCB footprint alignment.

Compliance & Certification: RoHS3 compliance, MSL rating of 3, and REACH unaffected status are maintained across all substitute parts.

The identified substitutes are manufactured by Macronix and carry active product status, providing long-term availability and supply chain continuity compared to the obsolete Winbond original.

Parameter Comparison

Engineering Selection Recommendations

The Macronix MX29LV320EBTI-70G and MX29LV320ETTI-70G are direct functional equivalents to the obsolete W29GL032CB7S. Both substitute parts maintain full electrical and mechanical compatibility while offering the advantage of active product status and verified programmability through DiGi-Electronics.

MX29LV320EBTI-70G is recommended as the primary substitute, with current inventory of 61,108 pieces available. This part carries verified programmability certification and active manufacturing status, ensuring long-term supply chain reliability.

MX29LV320ETTI-70G serves as a secondary equivalent option with 40,300 pieces in stock. This variant provides identical electrical specifications and packaging, with the distinction limited to internal device configuration that does not affect functional substitution.

Both Macronix alternatives satisfy all compliance requirements including ROHS3 certification, REACH unaffected status, and MSL rating 3 specifications. The transition from the obsolete Winbond device to either Macronix substitute requires no circuit modifications, firmware updates, or design changes.

Frequently Asked Questions (FAQ)

Q: Can MX29LV320EBTI-70G and MX29LV320ETTI-70G be used interchangeably with W29GL032CB7S?

A: Yes. Both Macronix parts are direct functional equivalents. They maintain identical memory capacity (32Mbit), parallel interface architecture, 70 ns timing specifications, 2.7V to 3.6V supply voltage range, and 48-TFSOP package configuration. No circuit modifications are required for substitution.

Q: What is the difference between MX29LV320EBTI-70G and MX29LV320ETTI-70G?

A: Both parts are electrically and mechanically identical with respect to external interface and performance characteristics. The designation difference reflects internal device configuration that does not affect functional operation or substitution capability. Selection between the two is based on inventory availability and procurement preference.

Q: Are the Macronix substitutes compatible with existing PCB layouts designed for W29GL032CB7S?

A: Yes. The 48-TFSOP package dimensions (0.724" width, 18.40mm) and pin configuration are identical across all three parts. PCB footprints, solder pad layouts, and mounting requirements require no modification.

Q: Do the substitute parts meet the same compliance standards as the original W29GL032CB7S?

A: Yes. Both MX29LV320EBTI-70G and MX29LV320ETTI-70G carry ROHS3 compliance certification, REACH unaffected status, and MSL rating 3 (168 hours), matching the original part specifications.

Q: What is the significance of the "Active" product status for the Macronix substitutes?

A: Active product status indicates ongoing manufacturing and long-term availability. This contrasts with the W29GL032CB7S obsolete status, which restricts future procurement and supply chain continuity. The Macronix alternatives provide sustained design support and component availability.

Q: Are there any timing or voltage differences that would affect circuit operation?

A: No. Access time (70 ns), write cycle time (70 ns), supply voltage range (2.7V ~ 3.6V), and operating temperature range (-40°C ~ 85°C) are identical across the original and substitute parts. Direct functional replacement is supported without design modifications.