AT45DB041E-SSHNHT-T

Memory IC Overview

The AT45DB041E-SSHNHT-T is a non-volatile serial flash memory IC manufactured by Renesas Electronics Corporation. It belongs to the DataFlash E Series and features a 4 Mbit storage capacity organized as 264 bytes per page across 2048 pages. The device utilizes a single SPI interface with a maximum clock frequency of 85 MHz. It operates within a supply voltage range of 1.65V to 3.6V and supports an industrial temperature range of -40°C to +85°C. The component is housed in an 8-SOIC package with a width of 3.90mm, designed for surface mount installation.

Memory IC Feature Summary

• Advanced dual SRAM buffer architecture enables efficient data logging and reduces processor overhead.
• Standard block architecture includes 256-byte page erase capability for energy-efficient operations.
• Byte-write functionality provides Serial EEPROM compatibility within a Serial NOR Flash device.
• Comprehensive security features and unique ID options protect data integrity against tampering.

Memory IC Applications

• Data logging systems requiring efficient page-level erasure
• Code and data storage solutions for embedded applications
• Systems requiring byte-write EEPROM-like functionality

Memory IC Procurement Notes

Verify the exact suffix HTHT against official Renesas documentation to confirm tape and reel packaging specifications. Ensure the ordering part number matches the specific package variant and environmental compliance requirements such as RoHS3. Cross-reference the manufacturer product number with authorized distributors to confirm current availability and standard lead times before finalizing procurement plans.

Memory IC Selection Notes

Select this component when a 4 Mbit capacity with dual SRAM buffers is required for high-efficiency data logging. The wide voltage range of 1.65V to 3.6V allows flexibility in system power design. The 85 MHz SPI speed supports fast read operations, while the 8-SOIC package offers a compact surface-mount solution suitable for space-constrained industrial applications operating between -40°C and +85°C.

Memory IC Part Context

This part is a member of the AT45DB041E DataFlash family, designed for system-enhancing code and data storage. It integrates advanced features to simplify software development and save system power. The series is characterized by its controllable SRAM buffers and comprehensive security options, making it suitable for applications demanding both performance and data integrity in a small form factor.

Memory IC Replacement Considerations

Check for direct substitutes within the AT45DB041E series with different suffixes indicating alternative packages or temperatures. Verify pinout and electrical parameter compatibility before replacing. No other specific substitute part numbers are confirmed in the provided public data.