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W25X05CLSNIG Equivalent & Substitute Parts
Part Overview
The W25X05CLSNIG is a 512Kbit NOR Flash memory IC manufactured by Winbond Electronics, featuring SPI interface operation at 104 MHz. This Surface Mount device is housed in an 8-SOIC package and operates across a supply voltage range of 2.3V to 3.6V with an operating temperature range of -40°C to 85°C. The part maintains Active product status and holds ROHS3 compliance certification.
Substitute parts are identified to address inventory availability, packaging format requirements, or specific application constraints while maintaining functional and electrical compatibility within the defined parameter specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Memory Size | 512Kbit |
| Memory Format | FLASH |
| Memory Interface | SPI |
| Clock Frequency | 104 MHz |
| Memory Organization | 64K x 8 |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Voltage - Supply | 2.3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the W25X05CLSNIG are qualified based on the following critical parameters that determine functional and electrical compatibility:
Core Compatibility Parameters:
- Memory Size: 512Kbit
- Memory Format: FLASH
- Memory Interface: SPI
- Memory Organization: 64K x 8
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Clock Frequency: 104 MHz
- RoHS Status: ROHS3 Compliant
Voltage and Temperature Compatibility: Substitute parts must operate within or encompass the supply voltage range of 2.3V to 3.6V and the operating temperature range of -40°C to 85°C. Parts with extended voltage ranges (1.65V minimum) remain compatible as they support the required 2.3V to 3.6V window.
Packaging Variations: Substitute parts are available in different packaging formats (Tape & Reel, Tube, Cut Tape & Digi-Reel) to accommodate various procurement and assembly workflows while maintaining identical electrical and mechanical specifications.
Parameter Comparison
| Parameter | W25X05CLSNIG (Winbond) | AT25DF512C-SSHN-T (Renesas) | AT25DN512C-SSHF-B (Renesas) | AT25DN512C-SSHF-T (Renesas) | AT25XE512C-SSHN-T (Renesas) |
|---|---|---|---|---|---|
| Memory Size | 512Kbit | 512Kbit | 512Kbit | 512Kbit | 512Kbit |
| Memory Format | FLASH | FLASH | FLASH | FLASH | FLASH |
| Memory Interface | SPI | SPI | SPI | SPI | SPI |
| Memory Organization | 64K x 8 | 64K x 8 | 64K x 8 | 64K x 8 | 64K x 8 |
| Clock Frequency | 104 MHz | 104 MHz | 104 MHz | 104 MHz | 104 MHz |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Voltage - Supply | 2.3V ~ 3.6V | 1.65V ~ 3.6V | 2.3V ~ 3.6V | 2.3V ~ 3.6V | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
All substitute parts listed maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance equivalent to the W25X05CLSNIG.
AT25DF512C-SSHN-T (Renesas Electronics Corporation): This part is DiGi-Electronics Programmable Verified and available in Tape & Reel packaging. It supports an extended supply voltage range of 1.65V to 3.6V, providing additional design flexibility for lower-voltage applications while maintaining full compatibility within the 2.3V to 3.6V operating window.
AT25DN512C-SSHF-B (Renesas Electronics Corporation): This part is DiGi-Electronics Programmable Verified and supplied in Tube packaging. It maintains the 2.3V to 3.6V supply voltage specification matching the W25X05CLSNIG and offers Moisture Sensitivity Level 1 (Unlimited) rating.
AT25DN512C-SSHF-T (Renesas Electronics Corporation): This part is DiGi-Electronics Programmable Verified and available in Cut Tape & Digi-Reel packaging. It maintains the 2.3V to 3.6V supply voltage specification and offers Moisture Sensitivity Level 1 (Unlimited) rating with the highest inventory availability among substitute options.
AT25XE512C-SSHN-T (Renesas Electronics Corporation): This part is available in Tape & Reel packaging and supports an extended supply voltage range of 1.65V to 3.6V. DiGi-Electronics Programmable status is Not Verified for this part number.
Frequently Asked Questions (FAQ)
Q: What determines if a part can substitute for the W25X05CLSNIG?
A: Substitute parts must match the core electrical and mechanical specifications: 512Kbit memory capacity, FLASH format, SPI interface, 104 MHz clock frequency, 64K x 8 memory organization, 8-SOIC package, Surface Mount mounting type, and operating temperature range of -40°C to 85°C. Supply voltage ranges must encompass or match the 2.3V to 3.6V specification.
Q: Are all substitute parts pin-compatible with the W25X05CLSNIG?
A: Yes. All substitute parts use the identical 8-SOIC package with 0.154" width (3.90mm), ensuring direct pin-compatible replacement in PCB designs.
Q: What is the difference between the packaging options offered for substitute parts?
A: Tape & Reel (TR) packaging is optimized for high-volume automated assembly. Cut Tape (CT) & Digi-Reel packaging provides flexibility for mixed-volume production. Tube packaging accommodates manual or semi-automated assembly workflows. All packaging formats contain electrically identical components.
Q: Can I use AT25DF512C-SSHN-T or AT25XE512C-SSHN-T in applications requiring 2.3V minimum supply voltage?
A: Yes. Both parts support supply voltage ranges of 1.65V to 3.6V, which encompasses the 2.3V to 3.6V requirement. The extended lower voltage specification does not affect operation at 2.3V and above.
Q: What is the significance of DiGi-Electronics Programmable Verified status?
A: DiGi-Electronics Programmable Verified indicates that the part has been validated for programming compatibility with DiGi-Electronics systems. AT25DF512C-SSHN-T, AT25DN512C-SSHF-B, and AT25DN512C-SSHF-T carry this verification. AT25XE512C-SSHN-T and W25X05CLSNIG do not have verified status.
Q: Do all substitute parts meet the same compliance standards as the W25X05CLSNIG?
A: Yes. All substitute parts are ROHS3 Compliant and REACH Unaffected, matching the regulatory compliance profile of the W25X05CLSNIG.
Q: What is Moisture Sensitivity Level (MSL) and how does it affect part selection?
A: MSL indicates the maximum time a component can be exposed to moisture before soldering. The W25X05CLSNIG has MSL 3 (168 Hours), while all substitute parts have MSL 1 (Unlimited), indicating superior moisture resistance and more flexible storage and handling requirements.
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