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Equivalent & Substitute Parts for Renesas 7024L55PF/S2899
Part Overview
The Renesas 7024L55PF/S2899 is a 64Kbit dual-port asynchronous SRAM memory IC in a 100-TQFP package with 55 ns access time and parallel interface. This part is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing system support and new designs. The substitute part maintains identical electrical and mechanical specifications while offering improved product status and compliance certifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Memory Type | Volatile SRAM |
| Memory Format | Dual Port, Asynchronous |
| Memory Size | 64Kbit |
| Memory Organization | 4K x 16 |
| Memory Interface | Parallel |
| Access Time | 55 ns |
| Write Cycle Time | 55 ns |
| Supply Voltage | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C |
| Package Type | 100-TQFP (14x14) |
| Mounting Type | Surface Mount |
| MSL Rating | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across the following parameters:
- Memory capacity and organization (64Kbit, 4K x 16)
- Access and write cycle timing (55 ns)
- Electrical interface (parallel, dual-port asynchronous)
- Supply voltage range (4.5V ~ 5.5V)
- Operating temperature range (0°C ~ 70°C)
- Physical package (100-TQFP, 14x14 mm)
- Moisture sensitivity level (MSL 3)
The substitute part 7024L55PFG/S2899 meets all these criteria and is therefore a direct functional equivalent.
Parameter Comparison
| Parameter | 7024L55PF/S2899 (Main) | 7024L55PFG/S2899 (Substitute) |
|---|---|---|
| Manufacturer | Renesas Electronics Corporation | Renesas Electronics Corporation |
| Memory Size | 64Kbit | 64Kbit |
| Memory Organization | 4K x 16 | 4K x 16 |
| Memory Type | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous |
| Access Time | 55 ns | 55 ns |
| Write Cycle Time | 55 ns | 55 ns |
| Supply Voltage | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Package / Case | 100-LQFP | 100-LQFP |
| Supplier Device Package | 100-TQFP (14x14) | 100-TQFP (14x14) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| REACH Status | Not specified | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS Code | 8542.32.0041 | 8542.32.0041 |
Engineering Selection Recommendations
The 7024L55PFG/S2899 is the direct substitute for the obsolete 7024L55PF/S2899. Selection of the substitute part is based on:
- Identical electrical performance and timing specifications
- Active product status ensuring continued availability
- ROHS3 compliance versus non-compliant status of the original part
- REACH unaffected designation providing regulatory clarity
- Equivalent packaging and thermal characteristics
For applications requiring the 64Kbit dual-port SRAM with 55 ns access time in a 100-TQFP package, the 7024L55PFG/S2899 provides full functional compatibility with improved compliance posture.
Frequently Asked Questions (FAQ)
Q: Can the 7024L55PFG/S2899 be used as a direct replacement for the 7024L55PF/S2899?
A: Yes. Both parts are manufactured by Renesas Electronics Corporation and share identical memory capacity (64Kbit), organization (4K x 16), access time (55 ns), supply voltage (4.5V ~ 5.5V), operating temperature range (0°C ~ 70°C), and package specification (100-TQFP, 14x14 mm). No circuit modifications are required.
Q: What is the difference between these two part numbers?
A: The primary differences are product status and compliance certifications. The 7024L55PFG/S2899 is active production with ROHS3 compliance and REACH unaffected status, while the 7024L55PF/S2899 is obsolete and RoHS non-compliant.
Q: Are there any timing or electrical differences between these parts?
A: No. Both parts have identical access time (55 ns), write cycle time (55 ns), supply voltage range (4.5V ~ 5.5V), and operating temperature specifications (0°C ~ 70°C).
Q: Is the package footprint identical?
A: Yes. Both parts use the 100-TQFP package with 14x14 mm dimensions. PCB layout and component placement require no modification.
Q: What is the MSL rating for both parts?
A: Both parts have MSL 3 rating with a 168-hour moisture sensitivity window. Identical handling and storage procedures apply.
Q: Why should I transition from the obsolete part to the substitute?
A: The substitute part ensures long-term supply availability, meets current RoHS3 environmental regulations, and provides REACH compliance documentation. The obsolete part faces supply discontinuation risk.
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