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M95256-D-WDW6TG/K PDF预览

M95256-D-WDW6TG/K

更新时间: 2022-03-04 06:06:17
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟
页数 文件大小 规格书
48页 500K
描述
256 Kbit serial SPI bus EEPROM with high-speed clock

M95256-D-WDW6TG/K 数据手册

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M95256-DR, M95256, M95256-W, M95256-R  
List of figures  
List of figures  
Figure 1.  
Figure 2.  
Figure 3.  
Figure 4.  
Figure 5.  
Figure 6.  
Figure 7.  
Figure 8.  
Figure 9.  
Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
8-pin package connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
WLCSP connections (top view, marking side, with balls on the underside) . . . . . . . . . . . . 7  
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Hold condition activation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Write Enable (WREN) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
Write Disable (WRDI) sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
Read Status Register (RDSR) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
Write Status Register (WRSR) sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19  
Figure 10. Read from Memory Array (READ) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20  
Figure 11. Byte Write (WRITE) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
Figure 12. Page Write (WRITE) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22  
Figure 13. Read Identification Page sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
Figure 14. Write Identification Page sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Figure 15. Read Lock Status sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25  
Figure 16. Lock ID sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26  
Figure 17. Bus master and memory devices on the SPI bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27  
Figure 18. SPI modes supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28  
Figure 19. AC measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31  
Figure 20. Serial input timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
Figure 21. Hold timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
Figure 22. Output timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
Figure 23. SO8N – 8 lead plastic small outline, 150 mils body width, package outline . . . . . . . . . . . . 39  
Figure 24. SO8 wide – 8 lead plastic small outline, 200 mils body width, package outline . . . . . . . . . 40  
Figure 25. TSSOP8 – 8 lead thin shrink small outline, package outline . . . . . . . . . . . . . . . . . . . . . . . 41  
Figure 26. M95256-DR WLCSP, 0.5 mm pitch, package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42  
Doc ID 12276 Rev 11  
5/48  

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