BY25D05ASOIG(R)

Memory IC Overview

The BY25D05ASOIG(R) is a 512K-bit SPI NOR Flash memory manufactured by BYTe Semiconductor. It supports Standard and Dual SPI interfaces with clock rates up to 108 MHz for Fast Read and Dual Output operations. The device operates on a single 2.7V to 3.6V supply, featuring low power consumption with 5uA standby current. It offers flexible architecture with 4KB sectors and 32/64KB blocks, software/hardware write protection, and high endurance of 100k program-erase cycles with 20-year data retention.

Memory IC Feature Summary

• Supports Standard and Dual SPI interfaces for efficient data transfer
• Includes hardware and software write protection mechanisms
• Features low power consumption suitable for battery-powered applications
• Provides high reliability with long data retention and endurance

Memory IC Applications

• Battery-powered consumer electronics
• Embedded systems requiring code storage
• IoT devices needing non-volatile memory
• Industrial control systems

Memory IC Procurement Notes

Verify the specific package variant (SOP, TSSOP, or USON) as the suffix 'OIG' indicates a particular form factor not fully detailed in the general datasheet. Confirm temperature grade (Commercial or Industrial) matches application requirements. Ensure ordering from authorized distributors to guarantee authenticity and traceability. Check for RoHS compliance status if required by regional regulations.

Memory IC Selection Notes

Select this component when a small capacity, low-cost SPI NOR Flash is needed. It is suitable for applications requiring fast read speeds via Dual SPI. Consider the available packages (SOP-8, TSSOP-8, USON-8) for PCB space constraints. Ensure the voltage range (2.7V-3.6V) aligns with the system's power supply design.

Memory IC Part Context

The BY25D05AS belongs to BYTe Semiconductor's SPI NOR Flash family, designed for cost-sensitive and power-efficient applications. It complements larger capacity models like the BY25Q series by providing a compact solution for smaller firmware or data storage needs. The device adheres to JEDEC standards for identification and interface compatibility.

Memory IC Replacement Considerations

Direct pin-to-pin replacements may include other 512K-bit SPI NOR Flash parts from manufacturers like Winbond, Macronix, or GigaDevice, provided they support similar Dual SPI modes and voltage ranges. Verify command set compatibility and package dimensions before substitution.

Memory IC FAQ

What is the maximum clock frequency for Dual Output Fast Read?

The maximum clock frequency for Dual Output Fast Read is 108 MHz.

How does the hardware write protection work?

Hardware write protection is enabled by driving the /WP pin low, which locks the Block Protect bits in the Status Register against software modification.