M25P128-VMFPBALT Equivalent & Substitute Parts

Part Overview

The M25P128-VMFPBALT 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 new designs and ongoing production support. The part is housed in a 16-SOIC package with surface mount configuration, operating across industrial temperature ranges from -40°C to 85°C.

Key Parameters

Parameter	Value
Memory Size	128Mbit
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)
Write Cycle Time (Page)	7ms
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

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

Memory capacity: 128Mbit
Memory organization: 16M x 8
Package type: 16-SOIC form factor
Supply voltage compatibility: 2.7V ~ 3.6V minimum overlap
Memory interface: SPI-compatible protocol
RoHS3 compliance
Moisture sensitivity level: 3 (168 Hours)

Substitute parts must maintain identical memory capacity, organization, and physical package dimensions. Interface protocol compatibility includes SPI and extended SPI variants (Quad I/O, QPI) that remain backward compatible with standard SPI operation. Operating temperature range may extend beyond the original specification without affecting substitution validity.

Parameter Comparison

Parameter	M25P128-VMFPBALT	IS25LP128-JMLE	MX25L12835FMI-10G	MX25L12845EMI-10G	MX25L12875FMI-10G
Manufacturer	Micron Technology Inc.	ISSI	Macronix	Macronix	Macronix
Memory Size	128Mbit	128Mbit	128Mbit	128Mbit	128Mbit
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
Write Cycle Time (Page)	7ms	1ms	1.5ms	5ms	1.5ms
Product Status	Obsolete	Obsolete	Not For New Designs	Not For New Designs	Active
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)

Engineering Selection Recommendations

All listed substitute parts meet the core substitution criteria: 128Mbit capacity, 16M x 8 organization, 16-SOIC package, SPI interface compatibility, and ROHS3 compliance.

IS25LP128-JMLE offers extended operating temperature range (-40°C to 105°C) and lower minimum supply voltage (2.3V), with Quad I/O and QPI interface support providing backward compatibility with standard SPI operation.

MX25L12835FMI-10G and MX25L12875FMI-10G provide identical electrical specifications to the original part with higher clock frequency (104 MHz). MX25L12875FMI-10G maintains active product status, ensuring long-term availability and manufacturing support.

MX25L12845EMI-10G operates at 104 MHz with extended page write cycle time (5ms) compared to the original specification (7ms).

For new designs requiring long-term component availability, MX25L12875FMI-10G is the preferred selection due to active product status. For applications requiring extended temperature operation, IS25LP128-JMLE provides superior thermal range coverage.

Frequently Asked Questions (FAQ)

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

A: Yes. IS25LP128-JMLE maintains identical memory capacity (128Mbit), organization (16M x 8), and 16-SOIC package configuration. The Quad I/O and QPI interface modes are backward compatible with standard SPI operation. Supply voltage range (2.3V ~ 3.6V) encompasses the original specification (2.7V ~ 3.6V).

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

A: Both parts share identical memory specifications and clock frequency (104 MHz). The primary difference is page write cycle time: MX25L12835FMI-10G operates at 1.5ms while MX25L12845EMI-10G operates at 5ms. Selection depends on application write performance requirements.

Q: Why is MX25L12875FMI-10G recommended for new designs?

A: MX25L12875FMI-10G maintains active product status, ensuring continued manufacturing support and long-term availability. It provides identical electrical performance to MX25L12835FMI-10G (104 MHz, 1.5ms page write time) with the same 16-SOIC package and ROHS3 compliance.

Q: Are all substitute parts pin-compatible with the original M25P128-VMFPBALT?

A: All listed substitutes use the 16-SOIC package with identical physical dimensions (0.295", 7.50mm width). Pin compatibility is maintained for standard SPI interface signals. Extended interface modes (Quad I/O, QPI) in IS25LP128-JMLE utilize the same physical pins with protocol-level compatibility.

Q: What is the impact of higher clock frequency in substitute parts?

A: Substitute parts operate at 104 MHz (MX25xxx series) or 133 MHz (IS25LP128-JMLE) compared to the original 50 MHz specification. Higher clock frequency provides improved data throughput while maintaining full backward compatibility with lower-speed SPI operation. System integration requires no modifications.

Q: Do all substitute parts meet the same moisture sensitivity requirements?

A: Yes. All substitute parts maintain Moisture Sensitivity Level 3 (168 Hours), matching the original M25P128-VMFPBALT specification. Handling and storage procedures remain identical across all listed alternatives.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message