M25P128-VMF6P Equivalent & Substitute Parts

Part Overview

The M25P128-VMF6P is a 128Mbit NOR Flash memory IC manufactured by Micron Technology Inc., featuring SPI interface operation at 50 MHz. This component is classified as Obsolete, making substitute parts necessary for ongoing production and maintenance applications. The part is housed in a 16-SOIC package with surface mount configuration and operates across the industrial temperature range of -40°C to 85°C.

Key Parameters

Parameter	Value
Memory Size	128Mbit
Memory Format	FLASH - NOR
Memory Organization	16M x 8
Memory Interface	SPI
Clock Frequency	50 MHz
Voltage Supply Range	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package Type	16-SOIC (0.295", 7.50mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the M25P128-VMF6P is determined by the following mandatory parameters:

Memory Size: 128Mbit (exact match required)
Memory Format: FLASH - NOR (exact match required)
Memory Organization: 16M x 8 (exact match required)
Package Type: 16-SOIC footprint compatibility (exact match required)
Voltage Supply Range: Minimum 2.7V support required
RoHS Compliance: ROHS3 Compliant (exact match required)
Moisture Sensitivity Level: 3 (168 Hours) (exact match required)

Substitute parts must maintain full compatibility across these parameters. Variations in clock frequency, write cycle time, and operating temperature upper limits are permissible provided the substitute meets or exceeds the minimum specifications of the original part.

Parameter Comparison

Parameter	M25P128-VMF6P	IS25LP128-JMLE	MX25L12835FMI-10G	MX25L12845EMI-10G	MX25L12875FMI-10G
Manufacturer	Micron Technology Inc.	ISSI	Macronix	Macronix	Macronix
Memory Size	128Mbit	128Mbit	128Mbit	128Mbit	128Mbit
Memory Format	FLASH - NOR	FLASH - NOR	FLASH - NOR	FLASH - NOR	FLASH - NOR
Memory Organization	16M x 8	16M x 8	16M x 8	16M x 8	16M x 8
Memory Interface	SPI	SPI - Quad I/O, QPI	SPI	SPI	SPI
Clock Frequency	50 MHz	133 MHz	104 MHz	104 MHz	104 MHz
Voltage Supply Range	2.7V ~ 3.6V	2.3V ~ 3.6V	2.7V ~ 3.6V	2.7V ~ 3.6V	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package Type	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Obsolete	Not For New Designs	Not For New Designs	Active

Engineering Selection Recommendations

All listed substitute parts meet the mandatory electrical and mechanical compatibility requirements for the M25P128-VMF6P. Selection should be based on product status and compliance certifications:

MX25L12875FMI-10G is the preferred substitute, carrying Active product status and full ROHS3 compliance. This part maintains identical voltage supply and operating temperature specifications while providing enhanced clock frequency performance at 104 MHz.

IS25LP128-JMLE offers extended operating temperature range to 105°C and lower minimum voltage support (2.3V), with ROHS3 compliance. This part is classified as Obsolete.

MX25L12835FMI-10G and MX25L12845EMI-10G are both classified as Not For New Designs with ROHS3 compliance. These parts are suitable for legacy system maintenance and repair applications only.

All substitute parts maintain the 16-SOIC package footprint, identical memory organization, and equivalent RoHS and moisture sensitivity specifications required for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can IS25LP128-JMLE replace M25P128-VMF6P in existing designs?

A: Yes. IS25LP128-JMLE meets all mandatory substitution parameters: 128Mbit capacity, 16M x 8 organization, SPI interface, 16-SOIC package, ROHS3 compliance, and MSL 3 rating. The part supports the required 2.7V minimum voltage and operates within the -40°C to 85°C range. Extended temperature capability to 105°C provides additional margin.

Q: What is the difference between MX25L12835FMI-10G and MX25L12845EMI-10G?

A: Both parts are 128Mbit NOR Flash devices in 16-SOIC packages with identical electrical specifications. The primary difference is write cycle time: MX25L12835FMI-10G specifies 30µs word and 1.5ms page write times, while MX25L12845EMI-10G specifies 300µs word and 5ms page write times. Both are classified as Not For New Designs.

Q: Why is MX25L12875FMI-10G recommended over other substitutes?

A: MX25L12875FMI-10G carries Active product status, indicating ongoing manufacturer support and availability. All other substitutes are either Obsolete or Not For New Designs. For new production applications, MX25L12875FMI-10G provides the best long-term supply assurance while maintaining full compatibility with M25P128-VMF6P specifications.

Q: Are there interface compatibility concerns with IS25LP128-JMLE?

A: IS25LP128-JMLE supports SPI, Quad I/O, and QPI interfaces. The standard SPI mode is fully compatible with M25P128-VMF6P SPI operation. Advanced interface modes are optional and do not affect backward compatibility in standard SPI applications.

Q: Can these substitutes be used interchangeably in the same PCB assembly?

A: Yes. All substitute parts share identical 16-SOIC package dimensions (0.295" width, 7.50mm), pin count, and pinout configuration. Direct PCB footprint compatibility is maintained across all listed substitutes.

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