W29GL032CT7A Equivalent & Substitute Parts

Part Overview

The W29GL032CT7A is a 32Mbit NOR Flash memory IC manufactured by Winbond Electronics in a 48-TFBGA package with parallel interface architecture. This component operates at 2.7V to 3.6V supply voltage with 70 ns access time and supports 4M x 8 or 2M x 16 memory organization. The W29GL032CT7A is classified as obsolete, necessitating identification of active equivalent parts for ongoing design requirements and production continuity. Substitute components must maintain electrical compatibility across memory capacity, interface type, voltage specifications, and thermal operating range.

Substiute Parts

W29GL032CT7A

Winbond ElectronicsIn Stock: 793W29GL032CT7A Datasheet

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MX29LV320EBXBI-70G

MacronixIn Stock: 754MX29LV320EBXBI-70G Datasheet

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MX29LV320EBXEI-70G

MacronixIn Stock: 9855MX29LV320EBXEI-70G Datasheet

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MX29LV320ETXBI-70G

MacronixIn Stock: 2321MX29LV320ETXBI-70G Datasheet

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MX29LV320ETXEI-70G

MacronixIn Stock: 3821MX29LV320ETXEI-70G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the W29GL032CT7A are qualified based on the following critical parameters that determine functional and physical compatibility:

Electrical Compatibility Parameters:

• Memory capacity: 32Mbit
• Memory technology: FLASH - NOR
• Memory interface: Parallel
• Access time: 70 ns
• Write cycle time: 70 ns
• Supply voltage range: 2.7V ~ 3.6V
• Operating temperature range: -40°C ~ 85°C

Physical Compatibility Parameters:

• Package type: 48-TFBGA or 48-LFBGA (both 6x8 footprint variants)
• Mounting type: Surface Mount
• Moisture sensitivity level: 3 (168 Hours)

Compliance Parameters:

• RoHS3 Compliant
• REACH Unaffected
• ECCN: 3A991B1A
• HTSUS: 8542.32.0071

All substitute parts listed maintain identical electrical specifications and thermal characteristics. Package variants (TFBGA vs. LFBGA) represent different ball grid array configurations within the same 6x8 footprint, both suitable for direct substitution in applications designed for either variant.

Parameter Comparison

Engineering Selection Recommendations

The W29GL032CT7A is classified as obsolete, making substitution necessary for new production and ongoing supply chain management. All four Macronix MX29LV320 variants listed maintain full electrical and thermal compatibility with the original Winbond component.

Product Status Consideration: All substitute parts carry Active product status, ensuring long-term availability and manufacturing support compared to the obsolete W29GL032CT7A.

Compliance and Certification: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory requirements of the original component. Moisture sensitivity level remains constant at MSL 3 (168 Hours) across all alternatives.

Package Selection: Two package variants are available among the substitutes:

• 48-TFBGA (6x8): MX29LV320EBXBI-70G and MX29LV320ETXBI-70G
• 48-LFBGA (6x8): MX29LV320EBXEI-70G and MX29LV320ETXEI-70G

Selection between TFBGA and LFBGA variants depends on existing PCB design specifications. Both maintain identical 6x8 footprint dimensions and electrical characteristics.

Inventory Availability: MX29LV320EBXEI-70G offers the highest inventory level (9,826 pcs), followed by MX29LV320ETXEI-70G (3,810 pcs), MX29LV320ETXBI-70G (2,308 pcs), and MX29LV320EBXBI-70G (699 pcs).

Frequently Asked Questions (FAQ)

Q: Can MX29LV320 parts directly replace the W29GL032CT7A without PCB modifications?

A: Direct replacement depends on package variant compatibility. If the original design uses 48-TFBGA, select MX29LV320EBXBI-70G or MX29LV320ETXBI-70G. If the design accommodates 48-LFBGA, select MX29LV320EBXEI-70G or MX29LV320ETXEI-70G. All variants share identical 6x8 footprint dimensions and electrical specifications.

Q: What is the difference between TFBGA and LFBGA package variants?

A: TFBGA (Thin Fine Ball Grid Array) and LFBGA (Low-profile Fine Ball Grid Array) represent different ball grid array configurations. Both maintain the same 6x8 footprint and electrical performance. Selection is determined by existing PCB design specifications and solder reflow profile compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All four Macronix MX29LV320 variants are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original W29GL032CT7A.

Q: Do the substitute parts support the same memory organization as the original?

A: The W29GL032CT7A supports 4M x 8 and 2M x 16 organization. All Macronix substitutes support 4M x 8 organization. Applications requiring 2M x 16 organization must verify compatibility with the substitute's 4M x 8 configuration.

Q: What is the moisture sensitivity level for these components?

A: All parts, including the original and all substitutes, carry Moisture Sensitivity Level 3 (168 Hours). Storage and handling procedures must comply with MSL 3 requirements.

Q: Are there differences in write cycle time or access time between the original and substitutes?

A: No. All parts maintain 70 ns access time and 70 ns write cycle time, ensuring identical timing performance in parallel interface applications.

Q: What supply voltage range do these components support?

A: All parts operate within 2.7V to 3.6V supply voltage range, supporting standard 3.3V logic systems with appropriate margin.

Q: Can I use MX29LV320EBXEI-70G in a design originally specified for MX29LV320ETXBI-70G?

A: Substitution between EBXEI and ETXBI variants requires verification of PCB design compatibility. The primary difference is package type (LFBGA vs. TFBGA). Electrical specifications are identical. Consult PCB layout and solder reflow specifications to confirm compatibility.