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FT28HC256SMB-15 PDF预览

FT28HC256SMB-15

更新时间: 2022-10-12 13:40:48
品牌 Logo 应用领域
福思力 - FORCE 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
页数 文件大小 规格书
23页 2123K
描述
5 Volt, Byte Alterable EEPROM

FT28HC256SMB-15 数据手册

 浏览型号FT28HC256SMB-15的Datasheet PDF文件第1页浏览型号FT28HC256SMB-15的Datasheet PDF文件第2页浏览型号FT28HC256SMB-15的Datasheet PDF文件第3页浏览型号FT28HC256SMB-15的Datasheet PDF文件第5页浏览型号FT28HC256SMB-15的Datasheet PDF文件第6页浏览型号FT28HC256SMB-15的Datasheet PDF文件第7页 
FT28HC256  
DATA POLLING I/O  
7
Figure 2. DATA Polling Bus Sequence  
Last  
Write  
WE  
CE  
OE  
V
IH  
V
HIGH Z  
OH  
I/O  
7
V
OL  
FT28HC256  
Ready  
A –A  
An  
An  
An  
An  
An  
An  
An  
0
14  
Figure 3. DATA Polling Software Flow  
DATA Polling can effectively halve the time for writing to  
the FT28HC256. The timing diagram in Figure 2 illus-  
trates the sequence of events on the bus. The software  
flow diag ram in Figure 3 illustrates one method of  
implementing the routine.  
Write Data  
No  
Writes  
Complete?  
Yes  
Save Last Data  
and Address  
Read Last  
Address  
IO  
7
No  
Compare?  
Yes  
FT28HC256  
Ready  
Characteristics subject to change without notice. 4 of 23  
REV 1.0  

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