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5962-9086903MXA 参数 Datasheet PDF下载

5962-9086903MXA图片预览
型号: 5962-9086903MXA
PDF下载: 下载PDF文件 查看货源
内容描述: [EEPROM, 64KX8, 200ns, Parallel, CMOS, CDIP32, HERMETIC SEALED, CERDIP-32]
分类和应用: 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内存集成电路
文件页数/大小: 24 页 / 114 K
品牌: XICOR [ XICOR INC. ]
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X28C512/X28C513  
DATA Polling I/O  
7
Figure 2a. DATA Polling Bus Sequence  
LAST  
WRITE  
WE  
CE  
OE  
V
IH  
V
HIGH Z  
OH  
I/O  
7
V
OL  
X28C512/513  
READY  
A –A  
0
15  
An  
An  
An  
An  
An  
An  
An  
3856 FHD F07.1  
Figure 2b. DATA Polling Software Flow  
DATA Polling can effectively halve the time for writing to  
the X28C512/513. The timing diagram in Figure 2a  
illustrates the sequence of events on the bus. The  
softwareflowdiagraminFigure2billustratesonemethod  
of implementing the routine.  
WRITE DATA  
NO  
WRITES  
COMPLETE?  
YES  
SAVE LAST DATA  
AND ADDRESS  
READ LAST  
ADDRESS  
IO  
NO  
7
COMPARE?  
YES  
X28C512  
READY  
3856 FHD F08  
4
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