MX30LF2G18AC-TI Equivalent & Substitute Parts

Part Overview

The MX30LF2G18AC-TI is a 2Gbit parallel NAND Flash memory IC manufactured by Macronix in a 48-TSOP package. This device is classified as Not For New Designs, indicating it has reached end-of-life status. The part operates across a supply voltage range of 2.7V to 3.6V with an access time of 20 ns and is suitable for applications requiring non-volatile parallel memory storage with 256M x 8 organization.

Due to its discontinued design status, equivalent substitute parts are necessary for ongoing production support, maintenance applications, and legacy system replacements. Suitable alternatives must maintain electrical compatibility across memory capacity, interface type, voltage specifications, and thermal operating range.

Key Parameters

Parameter	Value
Memory Size	2Gbit
Memory Organization	256M x 8
Memory Interface	Parallel
Technology	FLASH - NAND (SLC)
Access Time	20 ns
Write Cycle Time	20 ns
Voltage - Supply	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package / Case	48-TFSOP (0.724", 18.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the MX30LF2G18AC-TI is determined by strict alignment of the following critical parameters:

Memory capacity: 2Gbit (non-negotiable)
Memory organization: 256M x 8 (non-negotiable)
Interface type: Parallel (non-negotiable)
Technology: FLASH - NAND (SLC) (non-negotiable)
Supply voltage range: 2.7V ~ 3.6V (must be compatible)
Package type: 48-TSOP (non-negotiable)
Operating temperature range: -40°C ~ 85°C (must be compatible)
RoHS compliance: ROHS3 (required for regulatory alignment)

Access time and write cycle time specifications may vary within acceptable margins for parallel NAND Flash devices, provided all other electrical and mechanical parameters remain equivalent. Substitute parts must be pin-compatible and functionally interchangeable at the system level.

Parameter Comparison

Parameter	MX30LF2G18AC-TI	MX30LF2G28AD-TI	W29N02GVSIAA	W29N02KVSIAF
Manufacturer	Macronix	Macronix	Winbond Electronics	Winbond Electronics
Memory Size	2Gbit	2Gbit	2Gbit	2Gbit
Memory Organization	256M x 8	256M x 8	256M x 8	256M x 8
Memory Interface	Parallel	Parallel	Parallel	Parallel
Technology	FLASH - NAND (SLC)	FLASH - NAND (SLC)	FLASH - NAND (SLC)	FLASH - NAND (SLC)
Access Time	20 ns	16 ns	25 ns	25 ns
Write Cycle Time	20 ns	20 ns	25 ns	25 ns
Voltage - Supply	2.7V ~ 3.6V	2.7V ~ 3.6V	2.7V ~ 3.6V	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	48-TFSOP	48-TFSOP	48-TFSOP	48-TFSOP
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Not For New Designs	Active	Active	Active

Engineering Selection Recommendations

All three substitute parts—MX30LF2G28AD-TI, W29N02GVSIAA, and W29N02KVSIAF—meet the core electrical and mechanical compatibility requirements for direct substitution with the MX30LF2G18AC-TI.

MX30LF2G28AD-TI is a direct Macronix equivalent with Active product status, offering improved access time performance (16 ns versus 20 ns). This part maintains identical voltage, temperature, and package specifications while providing enhanced speed characteristics. It is the preferred choice for applications requiring performance optimization within the same manufacturer ecosystem.

W29N02GVSIAA and W29N02KVSIAF are Winbond Electronics alternatives with Active product status. Both devices operate at 25 ns access time and write cycle time, which is slower than the original MX30LF2G18AC-TI but remains functionally compatible for parallel NAND Flash applications. Both parts maintain full electrical and thermal compatibility. W29N02KVSIAF is supplied in Tray packaging, while W29N02GVSIAA packaging is not specified in available data.

All substitute parts carry ROHS3 compliance and identical moisture sensitivity ratings, ensuring regulatory and environmental compatibility with the original design.

Frequently Asked Questions (FAQ)

Q: Can MX30LF2G28AD-TI be used as a direct replacement for MX30LF2G18AC-TI?

A: Yes. MX30LF2G28AD-TI is electrically and mechanically compatible. It shares identical memory capacity, organization, interface type, voltage range, temperature range, and 48-TSOP package. The faster access time (16 ns) is a performance improvement and does not create compatibility issues.

Q: What is the difference between the Macronix and Winbond substitutes?

A: MX30LF2G28AD-TI is manufactured by Macronix with 16 ns access time. W29N02GVSIAA and W29N02KVSIAF are manufactured by Winbond Electronics with 25 ns access time. All three maintain identical memory specifications, voltage, temperature, and package compatibility. The choice depends on manufacturer preference and performance requirements.

Q: Are the Winbond parts W29N02GVSIAA and W29N02KVSIAF interchangeable with each other?

A: Yes. Both Winbond parts are electrically identical with 2Gbit capacity, 256M x 8 organization, parallel interface, and 25 ns timing. The primary difference is packaging designation. Both are compatible with the MX30LF2G18AC-TI at the system level.

Q: Does the slower access time of Winbond parts affect system compatibility?

A: No. The Winbond parts operate at 25 ns access time compared to the original 20 ns specification. This represents a performance margin that remains within acceptable operating parameters for parallel NAND Flash memory applications. System-level compatibility is maintained.

Q: Are all substitute parts RoHS compliant?

A: Yes. MX30LF2G28AD-TI, W29N02GVSIAA, and W29N02KVSIAF are all ROHS3 compliant, matching the original MX30LF2G18AC-TI specification.

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

A: All parts, including the original and all substitutes, carry Moisture Sensitivity Level 3 (168 Hours). Identical handling and storage protocols apply across all devices.

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