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AT45DB081E-SSHNHA-T Equivalent & Substitute Parts
Part Overview
The AT45DB081E-SSHNHA-T is a 8Mbit FLASH memory IC manufactured by Renesas Electronics Corporation, designed for SPI interface applications operating at 85 MHz. This non-volatile memory device is actively produced and widely used in embedded systems requiring reliable data storage with fast serial communication protocols. Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when packaging format changes are required for manufacturing processes.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Memory Size | 8Mbit |
| Memory Format | FLASH |
| Memory Interface | SPI |
| Clock Frequency | 85 MHz |
| Memory Organization | 264 Bytes x 4096 pages |
| Write Cycle Time - Word | 8µs |
| Write Cycle Time - Page | 4ms |
| Voltage Supply Range | 1.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TC) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the AT45DB081E-SSHNHA-T is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part AT45DB081E-SSHN-T maintains identical specifications for memory capacity, interface protocol, clock frequency, voltage supply range, operating temperature range, and physical package dimensions. The only difference between these parts is the packaging format: the main part is supplied in Tape & Reel (TR) format, while the substitute is supplied in Cut Tape (CT) & Digi-Reel® format. Both parts share the same base product number AT45DB081 and are manufactured by Renesas Electronics Corporation with identical electrical performance characteristics.
Parameter Comparison
| Parameter | AT45DB081E-SSHNHA-T (Main) | AT45DB081E-SSHN-T (Substitute) |
|---|---|---|
| Manufacturer | Renesas Electronics Corporation | Renesas Electronics Corporation |
| Memory Size | 8Mbit | 8Mbit |
| Memory Format | FLASH | FLASH |
| Memory Interface | SPI | SPI |
| Clock Frequency | 85 MHz | 85 MHz |
| Memory Organization | 264 Bytes x 4096 pages | 264 Bytes x 4096 pages |
| Write Cycle Time - Word | 8µs | 8µs |
| Write Cycle Time - Page | 4ms | 4ms |
| Voltage Supply Range | 1.7V ~ 3.6V | 1.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) & Digi-Reel® |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both the AT45DB081E-SSHNHA-T and AT45DB081E-SSHN-T are active products manufactured by Renesas Electronics Corporation with full ROHS3 compliance and REACH unaffected status. Selection between these parts is based on packaging requirements for manufacturing processes. The Tape & Reel format is suitable for high-volume automated assembly operations, while the Cut Tape & Digi-Reel® format accommodates lower-volume production runs or manual assembly workflows. Electrical performance, thermal characteristics, and compliance certifications are identical across both part numbers.
Frequently Asked Questions (FAQ)
Q: Are AT45DB081E-SSHNHA-T and AT45DB081E-SSHN-T electrically identical?
A: Yes. Both parts are manufactured by Renesas Electronics Corporation with identical electrical specifications, including 8Mbit FLASH memory capacity, SPI interface at 85 MHz, 1.7V to 3.6V supply voltage range, and -40°C to 85°C operating temperature range.
Q: What is the difference between these two part numbers?
A: The primary difference is packaging format. AT45DB081E-SSHNHA-T is supplied in Tape & Reel (TR) format, while AT45DB081E-SSHN-T is supplied in Cut Tape (CT) & Digi-Reel® format. The physical component and electrical performance are identical.
Q: Can I use AT45DB081E-SSHN-T as a direct replacement for AT45DB081E-SSHNHA-T?
A: Yes, for electrical and functional purposes. Both parts are pin-compatible, have identical package dimensions (8-SOIC, 0.154" width, 3.90mm), and meet the same performance specifications. Packaging format selection depends on your assembly process requirements.
Q: Are both parts RoHS compliant?
A: Yes. Both AT45DB081E-SSHNHA-T and AT45DB081E-SSHN-T are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited).
Q: Which part should I select for high-volume production?
A: For high-volume automated assembly, the Tape & Reel format (AT45DB081E-SSHNHA-T) is typically preferred. For lower-volume or mixed-assembly operations, the Cut Tape & Digi-Reel® format (AT45DB081E-SSHN-T) may be more suitable.
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