M25P32-VMP6TG TR Equivalent & Substitute Parts

Part Overview

The M25P32-VMP6TG TR is a 32Mbit NOR Flash memory IC manufactured by Micron Technology Inc., featuring SPI interface operation at 75 MHz. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part is housed in an 8-VFQFPN (6x5) package with surface mount configuration and operates across the industrial temperature range of -40°C to 85°C.

Key Parameters

Parameter	Value
Memory Size	32Mbit
Memory Organization	4M x 8
Memory Interface	SPI
Clock Frequency	75 MHz
Voltage Supply Range	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package Type	8-VFQFPN (6x5)
Write Cycle Time (Page)	5ms
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the M25P32-VMP6TG TR is determined by the following critical parameters:

Primary Compatibility Criteria:

Memory Size: 32Mbit (exact match required)
Memory Organization: 4M x 8 (exact match required)
Voltage Supply Range: 2.7V ~ 3.6V (must encompass or match)
Operating Temperature Range: -40°C ~ 85°C (must encompass or match)
Package Type: 8-pin surface mount with exposed pad configuration
RoHS Compliance: ROHS3 Compliant

Secondary Compatibility Criteria:

Memory Interface: SPI or SPI with extended capabilities (Quad I/O)
Clock Frequency: Equal to or greater than 75 MHz
Write Cycle Time: Equal to or less than specified values

The substitute parts identified meet these criteria while maintaining functional equivalence for standard SPI Flash memory applications.

Parameter Comparison

Parameter	M25P32-VMP6TG TR	MT25QL128ABA1EW7-0SIT TR	W25Q32JVZPIQ
Manufacturer	Micron Technology Inc.	Micron Technology Inc.	Winbond Electronics
Memory Size	32Mbit	128Mbit	32Mbit
Memory Organization	4M x 8	16M x 8	4M x 8
Memory Interface	SPI	SPI - Quad I/O	SPI - Quad I/O
Clock Frequency	75 MHz	133 MHz	133 MHz
Voltage Supply Range	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
Package Type	8-VFQFPN (6x5)	8-WPDFN (6x5)	8-WSON (6x5)
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Page Write Cycle Time	5ms	2.8ms	3ms

Engineering Selection Recommendations

MT25QL128ABA1EW7-0SIT TR: This substitute offers higher memory capacity (128Mbit) and improved performance specifications (133 MHz clock frequency, faster write cycles). Both parts are manufactured by Micron Technology Inc. and maintain identical voltage supply ranges and operating temperature specifications. The MT25QL128 series is in active production status, ensuring long-term availability. Package dimensions remain consistent at 6x5mm. This option is suitable for applications requiring increased storage capacity with backward-compatible SPI interface operation.

W25Q32JVZPIQ: This substitute maintains exact memory capacity (32Mbit) and organization (4M x 8) matching the original part. The Winbond W25Q32 series is actively produced and provides enhanced clock frequency (133 MHz) and faster page write cycles (3ms). Voltage supply and operating temperature ranges are identical. The 8-WSON package maintains the same 6x5mm footprint. This option provides direct functional replacement with performance improvements and superior long-term availability.

Both substitutes maintain ROHS3 compliance and identical electrical operating parameters. Selection between them depends on whether increased memory capacity is required for the application.

Frequently Asked Questions (FAQ)

Q: Can the MT25QL128ABA1EW7-0SIT TR be used as a direct replacement for the M25P32-VMP6TG TR?

A: The MT25QL128 can function as a substitute in applications where the SPI interface is used in standard mode. However, the increased memory capacity (128Mbit versus 32Mbit) requires firmware or software modifications to address the additional memory space. The higher clock frequency and faster write cycles are backward-compatible with designs expecting 75 MHz operation.

Q: What are the package compatibility considerations?

A: All three parts use 8-pin surface mount packages with 6x5mm footprints and exposed pad configurations. The VFQFPN, WPDFN, and WSON package variants are mechanically compatible for PCB layout purposes. Pin assignments for standard SPI operation (CS, CLK, MOSI, MISO, VCC, GND) remain consistent across all three parts.

Q: Are the voltage and temperature specifications identical across all parts?

A: Yes. All three parts operate within the 2.7V to 3.6V supply voltage range and the -40°C to 85°C industrial temperature range. This ensures direct electrical compatibility in existing circuit designs.

Q: How do the write cycle times compare?

A: The original M25P32 specifies a 5ms page write cycle time. Both substitutes offer improved performance: the MT25QL128 at 2.8ms and the W25Q32 at 3ms. Faster write cycles do not create compatibility issues in applications designed for the original 5ms specification.

Q: What is the significance of the Quad I/O interface in the substitute parts?

A: Both substitutes support SPI - Quad I/O mode, which enables higher data throughput through four simultaneous data lines. Applications using standard SPI mode operate identically to the original part. Quad I/O capability is optional and does not affect backward compatibility.

Q: Are all parts RoHS compliant?

A: Yes. The M25P32-VMP6TG TR and both substitute parts are ROHS3 compliant, meeting environmental and regulatory requirements for electronic component manufacturing and use.

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