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BY25Q64ESSIG(R) is listed in the Memory IC range at ChipApex. The manufacturer field lists BYTe Semiconductor. Its product description is IC FLASH 64MBIT SPI/QUAD 8SOP. Review the specifications below when checking this part for your BOM.
Memory IC specifications for BY25Q64ESSIG(R)
- Description：IC FLASH 64MBIT SPI/QUAD 8SOP
- Series：-
- Mfr：BYTe Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Memory Type：Non-Volatile
- Memory Format：FLASH
- Technology：FLASH - NOR
- Memory Size：64Mbit
- Memory Organization：8M x 8
- Memory Interface：SPI - Quad I/O
- Clock Frequency：120 MHz
- Write Cycle Time - Word, Page：50µs, 2.4ms
- Voltage - Supply：2.7V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.209", 5.30mm Width)
- Supplier Device Package：8-SOP
- Access Time：11.5 ns
Memory IC datasheet and documents for BY25Q64ESSIG(R)
Memory IC Overview
The BY25Q64ESSIG(R) is a 64M-bit SPI NOR flash memory by BYTe Semiconductor. It supports Standard, Dual, and Quad SPI interfaces with clock rates up to 133 MHz. The device operates on a single 2.7V to 3.6V supply. Key features include Execute In Place (XIP), hardware/software write protection, and three 1024-byte security registers. It offers 100k program-erase cycles and 20-year data retention.
Memory IC Feature Summary
- Supports standard, dual, and quad SPI modes for flexible data transfer speeds.
- Enables Execute In Place (XIP) operation for direct code execution from memory.
- Provides comprehensive write protection via software commands and the /WP pin.
- Includes three 1024-byte security registers with One-Time Programmable (OTP) locks.
Memory IC Applications
- Firmware storage in embedded systems
- Code execution in place (XIP) applications
- Data logging and configuration storage
Memory IC Procurement Notes
Verify the specific package variant (e.g., SOP8 208mil) against your PCB footprint requirements. Confirm that the 'R' suffix corresponds to the tape-and-reel packaging format required for your automated assembly line. Ensure voltage levels match the 2.7V-3.6V specification.
Memory IC Selection Notes
Select this component if your design requires high-speed Quad SPI access or XIP capabilities. It is suitable for applications needing robust write protection mechanisms. Consider the 8-pin SOP package dimensions and thermal characteristics during layout planning.
Memory IC Part Context
This part belongs to the BY25Q64ES family of serial NOR flash memories. It is designed for general-purpose non-volatile storage in consumer electronics and industrial devices. The manufacturer provides multiple package options including SOP8 and WSON8.
Memory IC Replacement Considerations
Check for compatible parts from other manufacturers offering identical 64Mbit density and Quad SPI support. Verify pin compatibility and voltage ranges before substitution.
Memory IC FAQ
What is the maximum clock frequency supported?
The device supports clock frequencies up to 133 MHz in Quad I/O mode.
How does the /WP pin function?
Driving the /WP pin low hardware-protects the status register and memory sectors when configured appropriately.
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