M25PX16-VMP6G Equivalent & Substitute Parts

Part Overview

The M25PX16-VMP6G 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 equivalent and substitute parts necessary for ongoing production and maintenance applications. The part is housed in an 8-VDFPN (6x5) surface mount package and operates across the industrial temperature range of -40°C to 85°C.

Key Parameters

Parameter	Value
Memory Size	16Mbit
Memory Format	FLASH - NOR
Memory Interface	SPI
Clock Frequency	75 MHz
Memory Organization	2M x 8
Voltage Supply Range	2.3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package Type	8-VDFN Exposed Pad
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the M25PX16-VMP6G is determined by the following critical parameters:

Primary Compatibility Criteria:

Memory capacity of 16Mbit with 2M x 8 organization
NOR Flash technology with SPI interface support
Surface mount package with 8-pin WDFN/VDFN configuration
Operating voltage range compatibility (minimum 2.3V supply capability)
Industrial temperature range (-40°C to 85°C)
RoHS3 compliance and MSL 3 rating

Interface Flexibility: Parts supporting SPI with Quad I/O capability are acceptable substitutes, as Quad I/O mode is backward compatible with standard SPI operation. Clock frequency variations are acceptable provided the substitute meets or exceeds the 75 MHz requirement.

Package Equivalence: 8-VDFN and 8-WDFN packages with exposed pad configuration are mechanically and electrically interchangeable in the specified footprint (6x5mm).

Parameter Comparison

Parameter	M25PX16-VMP6G	MT25QL128ABA1EW7-0SIT	MX25L1606EZNI-12G	SST26VF016-80-5I-QAE-T
Manufacturer	Micron Technology	Micron Technology	Macronix	Microchip Technology
Memory Size	16Mbit	128Mbit	16Mbit	16Mbit
Memory Organization	2M x 8	16M x 8	2M x 8	2M x 8
Memory Interface	SPI	SPI - Quad I/O	SPI	SPI - Quad I/O
Clock Frequency	75 MHz	133 MHz	86 MHz	80 MHz
Voltage Supply	2.3V ~ 3.6V	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	-40°C ~ 85°C
Package	8-VDFN Exposed Pad	8-WDFN Exposed Pad	8-WDFN Exposed Pad	8-WDFN Exposed Pad
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active	Not For New Designs	Active

Engineering Selection Recommendations

Direct Capacity Substitutes (16Mbit):

MX25L1606EZNI-12G and SST26VF016-80-5I-QAE-T are functionally equivalent to the M25PX16-VMP6G at the 16Mbit capacity level. Both maintain identical memory organization (2M x 8), support SPI interface operation, and operate within the required temperature and voltage specifications. MX25L1606EZNI-12G is marked "Not For New Designs" but remains available in high inventory. SST26VF016-80-5I-QAE-T carries Active product status and is the preferred selection for new applications requiring 16Mbit capacity.

Higher Capacity Alternative:

MT25QL128ABA1EW7-0SIT provides 128Mbit capacity with Active product status. This part is suitable only for applications where increased memory capacity can be accommodated within the system architecture. The higher clock frequency (133 MHz) and Quad I/O interface provide performance headroom. Voltage supply range begins at 2.7V, which may require verification against designs requiring 2.3V minimum operation.

Compliance Alignment:

All substitute parts maintain ROHS3 compliance, MSL 3 rating, and industrial temperature range operation. Package footprints (8-VDFN and 8-WDFN) are mechanically compatible within the specified 6x5mm dimensions.

Frequently Asked Questions (FAQ)

Q: Can SST26VF016-80-5I-QAE-T replace M25PX16-VMP6G directly?

A: Yes. Both parts share 16Mbit capacity, 2M x 8 organization, SPI interface, and identical package footprint. The SST26VF016 operates at 80 MHz, exceeding the 75 MHz requirement. Quad I/O capability is backward compatible with standard SPI mode.

Q: What is the key difference between MX25L1606EZNI-12G and SST26VF016-80-5I-QAE-T?

A: Both are 16Mbit equivalents. MX25L1606EZNI-12G is marked "Not For New Designs" with standard SPI interface at 86 MHz. SST26VF016-80-5I-QAE-T carries Active status with SPI - Quad I/O support at 80 MHz. For new designs, SST26VF016-80-5I-QAE-T is the recommended selection.

Q: Why is MT25QL128ABA1EW7-0SIT listed as a substitute if it has 128Mbit capacity?

A: MT25QL128ABA1EW7-0SIT is a higher-capacity alternative for applications where memory expansion is feasible. It maintains electrical compatibility (voltage, temperature, package footprint) and offers superior performance. Selection depends on system architecture requirements.

Q: Are there voltage supply compatibility concerns?

A: The M25PX16-VMP6G operates at 2.3V minimum. Substitute parts (MT25QL128ABA1EW7-0SIT, MX25L1606EZNI-12G, SST26VF016-80-5I-QAE-T) specify 2.7V minimum. Applications requiring 2.3V operation must retain the original part or verify substitute operation at reduced voltage through datasheet specifications.

Q: Is the 8-VDFN to 8-WDFN package transition transparent?

A: Yes. Both packages are 8-pin surface mount configurations with exposed pad, sharing the 6x5mm footprint. Pin assignments and electrical characteristics are compatible for SPI Flash memory applications.

Q: What is the significance of the Quad I/O interface in SST26VF016-80-5I-QAE-T?

A: Quad I/O mode increases data throughput by utilizing four data lines simultaneously. Standard SPI mode uses two lines. Quad I/O is backward compatible; the part operates in standard SPI mode if the host controller does not support Quad I/O commands.

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