BY25D05ASTIG(T)

Memory IC Overview

The BY25D05ASTIG(T) is a 512K-bit SPI NOR Flash memory manufactured by BYTe Semiconductor. It supports Standard and Dual SPI interfaces with clock rates up to 108MHz for Fast Read and Dual Output modes. The device operates on a single supply voltage of 2.7V to 3.6V and features flexible architecture with 4KB sectors and 32/64KB blocks. It includes hardware and software write protection, low power consumption with deep power-down capabilities, and robust data retention.

Memory IC Feature Summary

• Supports Standard and Dual SPI interfaces for high-speed data transfer
• Includes flexible block and sector erase architecture for efficient memory management
• Provides comprehensive software and hardware write protection mechanisms
• Features low power consumption with deep power-down mode for battery applications

Memory IC Applications

• Battery-powered portable electronic devices requiring low standby current
• Embedded systems needing secure code storage with write protection
• Industrial control systems operating in extended temperature ranges
• Consumer electronics utilizing compact surface-mount packages

Memory IC Procurement Notes

Verify the specific package variant (SOP-8, TSSOP-8, or USON-8) required for your design, as the base part number covers multiple options. Confirm the temperature grade matches your application needs, as industrial range (-40°C to +85°C) differs from commercial. Ensure compatibility with existing SPI controller configurations for Dual I/O modes if utilized.

Memory IC Selection Notes

Select this component when a 512K-bit capacity is sufficient for firmware or data storage. Consider the Dual SPI capability if bandwidth constraints exist in standard SPI designs. Evaluate the package size constraints against available SOP-8, TSSOP-8, or USON-8 footprints. Verify that the 2.7V-3.6V supply range aligns with the system's power rails.

Memory IC Part Context

This part belongs to the BY25D05AS family of Serial Peripheral Interface NOR Flash memories. It is designed for applications requiring reliable non-volatile storage with moderate density. The series emphasizes flexibility through various erase sizes and protection schemes, catering to diverse embedded memory needs across consumer and industrial sectors.

Memory IC Replacement Considerations

Check for pin-compatible alternatives within the same manufacturer's portfolio that offer similar density and interface speeds. Verify that any substitute supports both Standard and Dual SPI modes if high-speed read performance is critical. Ensure the replacement maintains the same voltage and temperature specifications.