GD25VE40CTIGR Equivalent & Substitute Parts

Part Overview

The GD25VE40CTIGR is a 4Mbit NOR Flash memory IC with SPI and Quad I/O interface capabilities, designed for non-volatile data storage applications. This device operates at 104 MHz and is housed in an 8-SOIC surface mount package. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing production and design requirements.

Key Parameters

Parameter	Value
Memory Type	Non-Volatile FLASH
Memory Size	4Mbit
Memory Organization	512K x 8
Memory Interface	SPI - Quad I/O
Clock Frequency	104 MHz
Voltage Supply Range	2.1V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package Type	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the GD25VE40CTIGR is determined by the following critical parameters:

Memory capacity of 4Mbit with 512K x 8 organization
SPI Quad I/O interface compatibility
8-SOIC surface mount package with identical 0.154" width and 3.90mm dimensions
Operating temperature range of -40°C to 85°C
Supply voltage compatibility within specified ranges
ROHS3 compliance and MSL 3 rating

The identified substitute parts meet these core electrical and mechanical requirements, enabling direct replacement in applications designed for the GD25VE40CTIGR.

Parameter Comparison

Parameter	GD25VE40CTIGR	GD25WD40CTIGR	MX25R4035FM1IH1
Manufacturer	GigaDevice Semiconductor (HK) Limited	GigaDevice Semiconductor (HK) Limited	Macronix
Memory Size	4Mbit	4Mbit	4Mbit
Memory Organization	512K x 8	512K x 8	512K x 8
Memory Interface	SPI - Quad I/O	SPI - Quad I/O	SPI - Quad I/O
Clock Frequency	104 MHz	Not specified	108 MHz
Voltage Supply Range	2.1V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package Type	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Discontinued at DiGi Electronics	Active	Not For New Designs

Engineering Selection Recommendations

GD25WD40CTIGR is the primary substitute option. This GigaDevice part maintains manufacturer continuity and is currently in active production status. The extended lower voltage supply range (1.65V minimum versus 2.1V) provides additional operational flexibility. Packaging and thermal specifications are identical to the original part.

MX25R4035FM1IH1 serves as an alternative substitute from Macronix. While electrically compatible with matching memory capacity, organization, and interface specifications, this part carries a "Not For New Designs" status, limiting its suitability for long-term production applications. The 108 MHz clock frequency exceeds the original 104 MHz specification.

Frequently Asked Questions (FAQ)

Q: Can GD25WD40CTIGR directly replace GD25VE40CTIGR in existing designs?

A: Yes. Both parts share identical memory capacity (4Mbit), organization (512K x 8), SPI Quad I/O interface, 8-SOIC package dimensions, and operating temperature range. The GD25WD40CTIGR's lower minimum supply voltage (1.65V) is backward compatible with designs specified for 2.1V minimum operation.

Q: What is the significance of the "Not For New Designs" status on MX25R4035FM1IH1?

A: This designation indicates the manufacturer does not recommend this part for new product development. While functionally compatible, it should be reserved for legacy system maintenance or applications with established supply agreements.

Q: Are there package compatibility concerns between substitute parts?

A: No. All three parts use identical 8-SOIC surface mount packages with 0.154" width and 3.90mm dimensions, ensuring PCB footprint compatibility without layout modifications.

Q: How do voltage supply ranges affect substitution decisions?

A: The GD25VE40CTIGR operates from 2.1V to 3.6V. Both substitutes extend the lower limit to 1.65V, enabling operation in lower-voltage system designs. Applications requiring the original 2.1V minimum threshold remain compatible with all three parts.

Q: What compliance certifications apply to all substitute options?

A: All parts maintain ROHS3 compliance, MSL 3 rating (168 hours), and identical REACH and ECCN classifications, ensuring regulatory and environmental compliance consistency across substitution options.

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