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M25P16-VMF6PBA Equivalent & Substitute Parts
Part Overview
The M25P16-VMF6PBA is a 16Mbit NOR Flash memory IC manufactured by Micron Technology Inc., designed for SPI serial interface applications operating at 75 MHz. This device features a 16-SOIC surface mount package and operates across a supply voltage range of 2.7V to 3.6V with an operating temperature range of -40°C to 85°C.
The M25P16-VMF6PBA is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Memory Type | Non-Volatile FLASH |
| 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) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution eligibility for the M25P16-VMF6PBA is determined by the following critical parameters:
- Memory Capacity: 16Mbit (2M x 8 organization)
- Memory Technology: FLASH - NOR
- Serial Interface: SPI protocol compatibility
- Package Compatibility: 16-SOIC form factor with identical pin pitch and dimensions
- Voltage Compatibility: 2.7V ~ 3.6V supply range
- Temperature Range: -40°C ~ 85°C operating specification
- RoHS Compliance: ROHS3 Compliant status
The MX25L1606EMI-12G meets all substitution criteria. While it operates at a higher clock frequency (86 MHz versus 75 MHz), this represents an enhancement rather than a limitation, as the substitute part maintains full backward compatibility with the original specification envelope.
Parameter Comparison
| Parameter | M25P16-VMF6PBA (Main Part) | MX25L1606EMI-12G (Substitute) |
|---|---|---|
| Manufacturer | Micron Technology Inc. | Macronix |
| Memory Size | 16Mbit | 16Mbit |
| Memory Organization | 2M x 8 | 2M x 8 |
| Memory Interface | SPI | SPI |
| Clock Frequency | 75 MHz | 86 MHz |
| Voltage Supply Range | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Package Type | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 3 (168 Hours) | 3 (168 Hours) |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The MX25L1606EMI-12G is a direct functional substitute for the M25P16-VMF6PBA based on the following engineering criteria:
Compliance & Certification: Both parts maintain ROHS3 compliance and identical moisture sensitivity specifications, ensuring regulatory and environmental compatibility.
Product Status: The MX25L1606EMI-12G is classified as Active, providing assured long-term availability and supply chain continuity compared to the obsolete M25P16-VMF6PBA.
Electrical Compatibility: Identical voltage supply range (2.7V ~ 3.6V), operating temperature envelope (-40°C ~ 85°C), and SPI interface protocol ensure drop-in compatibility at the circuit level.
Package Compatibility: Both devices utilize the 16-SOIC package with identical physical dimensions and pin configuration, enabling direct PCB footprint compatibility without layout modifications.
Performance Enhancement: The MX25L1606EMI-12G operates at 86 MHz compared to the original 75 MHz specification, providing performance headroom while maintaining full backward compatibility with existing firmware and timing requirements.
Frequently Asked Questions (FAQ)
Q: Can the MX25L1606EMI-12G be used as a direct replacement for the M25P16-VMF6PBA without PCB modifications?
A: Yes. Both devices share identical 16-SOIC package dimensions, pin configuration, and electrical specifications. No PCB layout changes are required for substitution.
Q: Are there differences in SPI protocol implementation between these parts?
A: Both parts implement standard SPI serial interface protocol. The MX25L1606EMI-12G operates at a higher maximum clock frequency (86 MHz versus 75 MHz), but this does not affect protocol compatibility. Existing firmware and timing parameters remain valid.
Q: What is the significance of the higher clock frequency in the MX25L1606EMI-12G?
A: The 86 MHz specification in the MX25L1606EMI-12G represents the maximum supported clock frequency. Systems designed for the M25P16-VMF6PBA at 75 MHz will operate within the substitute part's specification envelope, providing performance margin without requiring design changes.
Q: Are both parts RoHS compliant?
A: Yes. Both the M25P16-VMF6PBA and MX25L1606EMI-12G are ROHS3 compliant and maintain identical moisture sensitivity levels (MSL 3, 168 Hours).
Q: What is the availability status of each part?
A: The M25P16-VMF6PBA is classified as obsolete. The MX25L1606EMI-12G is classified as active, indicating current production and assured supply chain availability.
Q: Do these parts require different handling or storage procedures?
A: Both parts share identical moisture sensitivity specifications (MSL 3, 168 Hours), requiring equivalent handling, storage, and reflow procedures.
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