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X24042S8M-3 参数 Datasheet PDF下载

X24042S8M-3图片预览
型号: X24042S8M-3
PDF下载: 下载PDF文件 查看货源
内容描述: 串行E2PROM [Serial E2PROM]
分类和应用: 可编程只读存储器
文件页数/大小: 15 页 / 64 K
品牌: XICOR [ XICOR INC. ]
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X24042  
Sequential Read  
Thedataoutputissequential,withthedatafromaddress  
n followed by the data from n + 1. The address counter  
for read operations increments all address bits, allowing  
the entire memory contents to be serially read during  
oneoperation. Attheendoftheaddressspace(address  
511) the counter “rolls over” to address 0 and the  
X24042 continues to output data for each acknowledge  
received. Refer to Figure 9 for the address, acknowl-  
edge and data transfer sequence.  
Sequential reads can be initiated as either a current  
address read or random access read. The first word is  
transmitted as with the other read modes; however, the  
master now responds with an acknowledge, indicating it  
requires additional data. The X24042 continues to out-  
put data for each acknowledge received. The read  
operationisterminatedbythemaster;bynotresponding  
with an acknowledge and by issuing a stop condition.  
Figure 9. Sequential Read  
S
SLAVE  
ADDRESS  
T
O
P
A
C
K
A
C
K
A
C
K
BUS ACTIVITY:  
MASTER  
SDA LINE  
P
A
C
K
BUS ACTIVITY:  
X24042  
DATA n  
DATA n+1  
DATA n+2  
DATA n+x  
3849 FHD F15  
Figure 10. Typical System Configuration  
V
CC  
PULL-UP  
RESISTORS  
SDA  
SCL  
MASTER  
SLAVE  
SLAVE  
TRANSMITTER/  
RECEIVER  
MASTER  
TRANSMITTER/  
RECEIVER  
MASTER  
TRANSMITTER  
TRANSMITTER/  
RECEIVER  
RECEIVER  
3849 FHD F16  
8
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