BY25Q256FSSIG(T)

Memory IC Overview

The BY25Q256FSSIG(T) is a 256M-bit SPI NOR Flash memory by BYTe Semiconductor in an 8-SOP package. It supports Standard, Dual, Quad SPI, and QPI interfaces with DTR read capabilities up to 400 Mbits/s. Operating on a single 2.7V to 3.6V supply, it features flexible architecture with 4KB sectors and 32/64KB blocks. Key specifications include a typical page program time of 0.6ms, sector erase time of 50ms, and block erase times of 0.15s or 0.25s. The device ensures data integrity with 100k program-erase cycles and 20-year retention.

Memory IC Feature Summary

• Supports multiple interface modes including Standard SPI, Dual SPI, Quad SPI, and QPI for versatile system integration.
• Features advanced write protection mechanisms such as hardware /WP control, software protection, and password-protected security registers.
• Enables Execute-In-Place (XIP) operations through continuous read commands with wrap functionality.
• Includes programmable security registers with OTP locks for robust data confidentiality.

Memory IC Applications

• Consumer electronics firmware storage
• Industrial control system code execution
• IoT device data logging

Memory IC Procurement Notes

Verify the specific suffix 'T' against official ordering lists to confirm tape-and-reel packaging requirements. Ensure the host controller supports the required voltage range and interface protocols. Confirm RoHS compliance status matches project specifications before finalizing procurement orders.

Memory IC Selection Notes

Select this component when high-density non-volatile storage is required in a compact surface-mount package. It is suitable for applications needing fast read speeds and flexible protection schemes. Consider the 8-SOP form factor for space-constrained designs requiring standard SPI compatibility.

Memory IC Part Context

This part belongs to the BY25Q256FS series of serial flash memories. It shares architectural similarities with other industry-standard 256M-bit devices but offers specific pin configurations and command sets defined by BYTe Semiconductor. The series supports various package options including SOP and WSON variants.

Memory IC Replacement Considerations

Check pinout compatibility and command set alignment with existing designs. Verify that alternative vendors support identical voltage ranges and timing parameters. Ensure substitute parts offer equivalent endurance and retention characteristics.

Memory IC FAQ

Does the BY25Q256FSSIG(T) support Quad Peripheral Interface (QPI)?

Yes, the device supports QPI mode, allowing all four I/O pins to be used for instruction, address, and data transfer, reducing clock cycle requirements.

What is the maximum active current consumption?

The maximum active current consumption is 25mA during operation.