MX30LF2G28AC-TI Equivalent & Substitute Parts

Part Overview

The MX30LF2G28AC-TI is a 2Gbit parallel NAND Flash memory IC manufactured by Macronix in a 48-TSOP package. This component is classified as Not For New Designs, indicating it has reached end-of-life status. The part operates with a 20 ns access time and supports supply voltages from 2.7V to 3.6V across an operating temperature range of -40°C to 85°C. Due to its discontinued design status, identifying functionally equivalent alternatives is essential for ongoing system support and component procurement.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution eligibility for the MX30LF2G28AC-TI is determined by the following critical parameters:

Memory capacity and organization must remain constant at 2Gbit with 256M x 8 configuration to ensure address and data bus compatibility. The memory technology must be FLASH - NAND (SLC) type with parallel interface architecture. Package specifications including the 48-TFSOP form factor and 0.724" width are mandatory for mechanical and electrical socket compatibility. Supply voltage range of 2.7V to 3.6V and operating temperature range of -40°C to 85°C must be maintained. RoHS3 compliance and MSL rating of 3 are required for manufacturing and environmental standards alignment.

The MX30LF2G28AD-TI qualifies as a direct substitute based on these parameters. While it features an improved 16 ns access time compared to the original 20 ns specification, this represents a performance enhancement that maintains full backward compatibility. Both parts share identical memory capacity, organization, interface type, package configuration, voltage specifications, temperature range, and compliance certifications.

Parameter Comparison

Parameter	MX30LF2G28AC-TI	MX30LF2G28AD-TI
Memory Size	2Gbit	2Gbit
Memory Organization	256M x 8	256M x 8
Memory Technology	FLASH - NAND (SLC)	FLASH - NAND (SLC)
Memory Interface	Parallel	Parallel
Access Time	20 ns	16 ns
Write Cycle Time	20 ns	20 ns
Supply Voltage	2.7V ~ 3.6V	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Package Type	48-TFSOP	48-TFSOP
Package Dimensions	0.724" x 18.40mm Width	0.724" x 18.40mm Width
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	3 (168 Hours)
Product Status	Not For New Designs	Active

Engineering Selection Recommendations

The MX30LF2G28AD-TI is the qualified substitute for the MX30LF2G28AC-TI. The primary advantage of this substitution is the transition from a discontinued part to an active product with current manufacturing support. The MX30LF2G28AD-TI maintains full electrical and mechanical compatibility while offering improved access time performance of 16 ns versus 20 ns. Both parts carry identical RoHS3 compliance and MSL ratings, ensuring equivalent environmental and manufacturing standards. The substitute part has significantly higher inventory availability, supporting reliable procurement for ongoing production and field replacement requirements.

Frequently Asked Questions (FAQ)

Q: Can the MX30LF2G28AD-TI be used as a direct replacement for the MX30LF2G28AC-TI?

A: Yes. Both parts share identical memory capacity (2Gbit), organization (256M x 8), technology (FLASH - NAND SLC), parallel interface, package configuration (48-TFSOP), voltage specifications (2.7V to 3.6V), and operating temperature range (-40°C to 85°C). The substitute features faster access time, which is a performance enhancement that maintains backward compatibility.

Q: What is the primary difference between these two parts?

A: The MX30LF2G28AD-TI has an access time of 16 ns compared to 20 ns for the MX30LF2G28AC-TI. This represents improved read performance. The substitute is also an active product with current manufacturing support, whereas the original is classified as Not For New Designs.

Q: Are the package dimensions identical?

A: Yes. Both parts use the 48-TFSOP package with identical dimensions of 0.724" width and 18.40mm length, ensuring mechanical compatibility with existing PCB layouts and sockets.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the MX30LF2G28AC-TI and MX30LF2G28AD-TI are ROHS3 compliant with MSL rating 3 (168 Hours), meeting identical environmental and manufacturing standards.

Q: Is the substitute part available in sufficient quantity?

A: The MX30LF2G28AD-TI has significantly higher inventory availability at 10,030 pieces compared to 713 pieces for the original part, supporting reliable procurement for production and field replacement applications.

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