M25P16-VMF6P Equivalent & Substitute Parts

Part Overview

The M25P16-VMF6P is a 16Mbit NOR Flash memory IC manufactured by Micron Technology Inc., featuring SPI interface operation at 75 MHz. This component is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system support and new design implementations. The part is housed in a 16-SOIC package and operates across the industrial temperature range of -40°C to 85°C with supply voltage compatibility from 2.7V to 3.6V.

Key Parameters

Parameter	Value
Memory Size	16Mbit
Memory Organization	2M x 8
Memory Interface	SPI
Clock Frequency	75 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)	5ms
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the M25P16-VMF6P is determined by the following critical parameters: memory size (16Mbit), memory organization (2M x 8), SPI interface compatibility, package form factor (16-SOIC), voltage supply range (2.7V ~ 3.6V), and operating temperature range (-40°C ~ 85°C). Substitute parts must maintain these core electrical and mechanical specifications to ensure functional compatibility within existing circuit designs.

Two substitute parts meet these criteria:

MX25L1606EMI-12G (Macronix): Provides identical memory capacity, organization, and package specifications. Operates at 86 MHz, exceeding the original 75 MHz specification. Maintains SPI interface and identical voltage/temperature ranges. RoHS3 compliant.

MT25QL128ABA8ESF-0SIT (Micron Technology Inc.): Offers 128Mbit capacity with enhanced SPI-Quad I/O interface capability. Operates at 133 MHz. Maintains identical package form factor, voltage range, and temperature specifications. RoHS3 compliant. Note: This part provides increased memory capacity and interface flexibility beyond the original specification.

Parameter Comparison

Parameter	M25P16-VMF6P	MX25L1606EMI-12G	MT25QL128ABA8ESF-0SIT
Manufacturer	Micron Technology Inc.	Macronix	Micron Technology Inc.
Memory Size	16Mbit	16Mbit	128Mbit
Memory Organization	2M x 8	2M x 8	16M x 8
Memory Interface	SPI	SPI	SPI - Quad I/O
Clock Frequency	75 MHz	86 MHz	133 MHz
Voltage Supply	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 / Case	16-SOIC (0.295", 7.50mm Width)	16-SOIC (0.295", 7.50mm Width)	16-SOIC (0.295", 7.50mm Width)
Write Cycle Time (Page)	5ms	3ms	2.8ms
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	3 (168 Hours)	3 (168 Hours)

Engineering Selection Recommendations

Direct Replacement (Pin-Compatible): The MX25L1606EMI-12G serves as a direct functional equivalent, maintaining identical memory capacity, organization, and package specifications. This part is currently in active production status with verified programmability. The increased clock frequency (86 MHz vs. 75 MHz) provides performance headroom without requiring design modifications.

Enhanced Capacity Alternative: The MT25QL128ABA8ESF-0SIT provides an upgrade path for applications requiring increased memory capacity. The 128Mbit size accommodates expanded firmware or data storage requirements while maintaining package compatibility and electrical specifications. The SPI-Quad I/O interface offers optional performance enhancement for systems capable of supporting multi-line data transfer protocols.

Both substitute parts maintain ROHS3 compliance and identical voltage/temperature operating ranges, ensuring regulatory and environmental compatibility with the original design.

Frequently Asked Questions (FAQ)

Q: Can MX25L1606EMI-12G be used as a direct replacement for M25P16-VMF6P?

A: Yes. Both parts share identical memory capacity (16Mbit), organization (2M x 8), SPI interface, package form factor (16-SOIC), voltage range (2.7V ~ 3.6V), and operating temperature range (-40°C ~ 85°C). The MX25L1606EMI-12G operates at 86 MHz, exceeding the original 75 MHz specification, and requires no circuit modifications.

Q: What are the differences between the two substitute parts?

A: The MX25L1606EMI-12G maintains the original 16Mbit capacity and standard SPI interface. The MT25QL128ABA8ESF-0SIT provides 8x greater memory capacity (128Mbit) and supports SPI-Quad I/O operation for enhanced data transfer rates. Both maintain identical package and voltage specifications.

Q: Are there package compatibility concerns with these substitutes?

A: No. All three parts use the 16-SOIC package with identical dimensions (0.295", 7.50mm width), ensuring direct PCB footprint compatibility without layout modifications.

Q: What is the significance of the MSL rating difference?

A: The M25P16-VMF6P carries MSL 1 (unlimited moisture exposure tolerance), while both substitutes carry MSL 3 (168-hour moisture exposure limit). This requires standard moisture control procedures during storage and handling for the substitute parts.

Q: Can MT25QL128ABA8ESF-0SIT be used in applications designed for the M25P16-VMF6P?

A: Yes, with consideration for increased memory capacity. The part maintains all critical electrical and mechanical specifications. Applications must account for the larger address space (128Mbit vs. 16Mbit) and optional Quad I/O capability. Standard SPI operation remains fully compatible.

Q: What is the product status significance?

A: The M25P16-VMF6P is obsolete, making long-term availability uncertain. Both substitute parts are in active production, ensuring continued availability for new designs and system maintenance.

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