BY25Q64ASWIG(R)

Memory IC Overview

The BY25Q64AS is a 64M-bit Serial Peripheral Interface (SPI) NOR Flash memory manufactured by BYTe Semiconductor. It supports standard, Dual, and Quad SPI modes with data transfer speeds up to 432 Mbits/s in Quad I/O mode. The device operates on a single low voltage power supply ranging from 2.7V to 3.6V. Key electrical parameters include a maximum active current of 20mA and a standby current of 5uA. It features flexible architecture with 4KB sectors and 32/64KB blocks, supporting page programming up to 256 bytes. Typical program-erase endurance is 100k cycles with 20-year data retention.

Memory IC Feature Summary

• Supports Standard, Dual, and Quad SPI interfaces for high-speed data transfer
• Includes software and hardware write protection mechanisms via status registers
• Features flexible erase architecture with uniform 4KB sectors and 32/64KB blocks
• Provides three 256-byte security registers with One-Time Programmable locks

Memory IC Applications

• Embedded systems requiring non-volatile code storage
• Consumer electronics firmware applications
• Industrial control system data logging
• Mobile communication devices

Memory IC Procurement Notes

Verify the specific package variant required, as the BY25Q64AS family includes SOP, WSON, and USON options. Confirm temperature grade compliance for your operating environment. Ensure the host system supports the necessary SPI clock frequencies for optimal performance. Check for RoHS3 compliance requirements before finalizing procurement orders.

Memory IC Selection Notes

Select this component when a 64M-bit capacity is needed with high-speed Quad SPI interface support. Consider the available package types such as 8-pin SOP or WSON based on board space constraints. Verify that the 2.7V to 3.6V supply range matches your system design. Ensure the application benefits from the flexible block protection features provided by the status register configuration.

Memory IC Part Context

The BY25Q64AS belongs to the BY25Q series of SPI NOR Flash memories from BYTe Semiconductor. This series is designed for cost-effective and high-performance storage solutions. The device is part of a broader portfolio that includes various densities and package options, catering to diverse embedded storage needs across multiple industries.

Memory IC Replacement Considerations

Check datasheets for pin compatibility and electrical specifications when substituting with other 64M-bit SPI NOR Flash parts. Ensure the replacement supports similar Quad SPI operations if high-speed read/write is required. Verify voltage and temperature ranges match the original design constraints.