AT45DB011D-DWF Equivalent & Substitute Parts

Part Overview

The AT45DB011D-DWF is a 1Mbit SPI Flash memory IC manufactured by Renesas Electronics Corporation, operating at 66 MHz with a supply voltage range of 2.7V to 3.6V. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new design implementations. The part features non-volatile FLASH memory with SPI interface, organized as 264 bytes × 512 pages, and is rated for operating temperatures from -40°C to 85°C.

Substiute Parts

AT45DB011D-DWF
Renesas Electronics CorporationIn Stock: 896AT45DB011D-DWF Datasheet
AT45DB011D-DWF
Current Part
AT45DB021E-DWF
Renesas Electronics CorporationIn Stock: 854AT45DB021E-DWF Datasheet
AT45DB021E-DWF
MFR Recommended

Key Parameters

Parameter Value
Memory Type Non-Volatile FLASH
Memory Size 1Mbit
Memory Organization 264 Bytes × 512 pages
Memory Interface SPI
Clock Frequency 66 MHz
Write Cycle Time (Page) 4ms
Voltage Supply Range 2.7V – 3.6V
Operating Temperature -40°C to 85°C
Moisture Sensitivity Level (MSL) 3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the AT45DB011D-DWF is determined by the following critical parameters:

  • Memory Type & Format: Must be non-volatile FLASH memory
  • Memory Size: Must be 1Mbit capacity
  • Memory Interface: Must support SPI protocol
  • Clock Frequency: Must operate at 66 MHz or higher
  • Voltage Supply Range: Must be compatible with 2.7V – 3.6V operation
  • Operating Temperature Range: Must support -40°C to 85°C minimum
  • Manufacturer: Renesas Electronics Corporation

The AT45DB021E-DWF qualifies as a substitute based on matching memory type, capacity, interface protocol, clock frequency, voltage specifications, and temperature range. Both parts are manufactured by Renesas Electronics Corporation and share identical electrical and operational characteristics within the specified parameters.

Parameter Comparison

Parameter AT45DB011D-DWF (Main Part) AT45DB021E-DWF (Substitute)
Manufacturer Renesas Electronics Corporation Renesas Electronics Corporation
Memory Type Non-Volatile FLASH Non-Volatile FLASH
Memory Size 1Mbit 1Mbit
Memory Organization 264 Bytes × 512 pages 264 Bytes × 512 pages
Memory Interface SPI SPI
Clock Frequency 66 MHz 66 MHz
Write Cycle Time (Page) 4ms 4ms
Voltage Supply Range 2.7V – 3.6V 2.7V – 3.6V
Operating Temperature -40°C to 85°C -40°C to 85°C
Product Status Obsolete Active

Engineering Selection Recommendations

The AT45DB021E-DWF is the qualified substitute for the AT45DB011D-DWF. Selection of the substitute part is supported by:

  • Product Status Alignment: The substitute part maintains active product status with Renesas Electronics Corporation, ensuring continued availability and manufacturing support compared to the obsolete main part.
  • Electrical Parameter Equivalence: Both parts share identical memory capacity, interface protocol, clock frequency, voltage supply range, and operating temperature specifications.
  • Compliance & Certification: Both parts maintain REACH compliance status and equivalent regulatory classifications.
  • Inventory Availability: The substitute part is available in production quantities (753 Pcs New Original In Stock) versus the main part's limited obsolete inventory (838 Pcs).

Frequently Asked Questions (FAQ)

Q: Can the AT45DB021E-DWF directly replace the AT45DB011D-DWF in existing designs?

A: Yes. Both parts share identical electrical specifications including memory capacity (1Mbit), interface protocol (SPI), clock frequency (66 MHz), voltage supply range (2.7V – 3.6V), and operating temperature range (-40°C to 85°C). No circuit modifications are required for substitution.

Q: What is the primary advantage of using the AT45DB021E-DWF?

A: The substitute part maintains active product status with Renesas Electronics Corporation, ensuring long-term availability, manufacturing support, and supply chain continuity compared to the obsolete AT45DB011D-DWF.

Q: Are there packaging differences between these parts?

A: Packaging information is not provided in the available technical specifications for either part. Consult the respective datasheets or contact the manufacturer for detailed package specifications.

Q: What compliance certifications apply to both parts?

A: Both parts maintain REACH compliance status and are classified under ECCN EAR99 with HTSUS code 8542.32.0071.

Q: Is the moisture sensitivity level identical?

A: Yes. Both parts carry MSL 3 (168 Hours) rating, indicating equivalent moisture handling requirements during storage and assembly.

Request Quote (Ships tomorrow)