Description:The AT25SF161B is a member of our standard class code and data storage solutions designed for 3V systems in which program code is shadowed from Flash memory into embedded or external RAM for execution.The architecture includes erase block sizes that are optimized to meet the needs of today's code and data storage applications and three security register pages for unique device serialization, system-level Electronic Serial Number (ESN) storage, locked key storage, etc. Universally compatible pinout and comma
The AT25SF161B-MHB-T has a minimum of 100,000 erase cycles, but the actual number of cycles may vary depending on the usage and operating conditions.
To handle page write buffer underrun errors, ensure that the page write buffer is filled completely before issuing a write command. You can also use the 'Write to Buffer' command to fill the buffer and then issue a 'Write to Memory' command to transfer the data to the flash memory.
The recommended power-up sequence is to apply VCC first, followed by VIO, and then the clock signal. This ensures that the device is properly initialized and ready for operation.
The optimal clock frequency depends on the specific application requirements and the system's clock domain. As a general guideline, the AT25SF161B-MHB-T can operate at clock frequencies up to 104 MHz. However, it's recommended to consult the datasheet and perform thorough testing to determine the optimal clock frequency for your specific use case.
The WP# (Write Protect) pin is used to protect the status register and the memory array from unwanted writes. When the WP# pin is low, the device is in write-protect mode, and any write attempts will be ignored. To use the WP# pin, connect it to VCC or VIO to enable write protection, or connect it to GND to disable write protection.
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AT25SF161B-MHB-T Overview
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