WINBOND SPI FLASH selection guide

最新推荐文章于 2025-01-14 00:54:30 发布

micro9981

最新推荐文章于 2025-01-14 00:54:30 发布

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本文链接：https://blog.youkuaiyun.com/micro9981/article/details/82187203

本文介绍了Winbond的W25X和W25Q系列SPI Flash内存的主要特性，包括高密度、高性能以及与市场上其他品牌的互换性。W25X系列支持高达208MHz的时钟速率，而W25Q系列则通过增加双I/O和四I/O SPI进一步提高了性能。

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Winbond's W25X and W25Q SpiFlash® Memories feature the popular Serial Peripheral Interface (SPI), densities from 1M to 128M-bit, small erasable sectors and the industry's highest performance.
The W25X family operates up to 104MHz and supports "Dual-Output SPI", effectively doubling the clock rate to 208MHz.
The W25Q family is "superset" compatible with W25X devices while adding Dual-I/O and Quad-I/O SPI for even higher performance. Clock rates up to 104MHz achieve an equivalent of 416MHz (50M-Byte/S transfer rate) when using Quad-SPI. This is more than eight times the performance of ordinary Serial Flash (50MHz) and even surpasses asynchronous Parallel Flash memories while using fewer pins and less space. Faster transfer rates mean controllers can execute code (XIP) directly from the SPI interface or further improve boot time when shadowing code to RAM.
http://www.winbond-usa.com/hq/enu/ProductAndSales/ProductLines/FlashMemory/SerialFlash/

http://www.winbond.com.tw/NR/rdonlyres/EE30B34B-8D95-4519-84F4-428F2515F06D/0/SerialFlashProductSelectionGuide121609.pdf

W25B W25P W25D 这三个系列又有什么区别呢？I don't know .,God save me!

华邦SPI FLASH与其他品牌对换表　 Winbond AMIC 旺宏MXIC SST SPANSION ST EON PMC W25X10V A25L10P MX25L1005 SST25LF010A 　 SM25P10-AV EN25P10 PM25LV010 W25X20V A25L20P MX25L2005 SST25LF020A 　 M25P20-V EN25P20 PM25LV020 W25X40V A25L40P MX25L4005 SST25LF040A S25FL004A M25P40-V EN25P40 PM25LV040 W25X80V A25L80P MX25L8005 SST25LF080A S25FL008A M25P80-V EN25P80 PM25LV080 W25X16V A25L16P MX25L1605 SST25VF016B S25FL016A M25P16-V EN25P16 　 W25X32V A25L15P MX25L3205 SST25VF032B S25FL032A M25P32-V EN25P32 　