參數(shù)資料
型號: PCA9516A
廠商: NXP Semiconductors N.V.
英文描述: 5-channel I2C hub
中文描述: 5通道的I2C樞紐
文件頁數(shù): 4/13頁
文件大?。?/td> 127K
代理商: PCA9516A
Philips Semiconductors
Product data sheet
PCA9516A
5-channel I
2
C hub
2004 Sep 29
4
BLOCK DIAGRAM
HUB
LOGIC
V
CC
SCL4
SCL0
SW02248
SCL1
SCL2
EN1
BUFFER
SCL3
HUB
LOGIC
SDA4
SDA0
SDA1
SDA2
SDA3
PCA9516A
EN2
EN4
EN3
GND
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
Figure 2. Block Diagram: PCA9516A
A more detailed view of Figure 2 buffer is shown in Figure 3.
SW00712
Data
Enable
To output
In
z
Inc
Figure 3.
The output pull-down of each internal buffer is set for approximately
0.5 V, while the input threshold of each internal buffer is set about
0.07 V lower, when the output is internally driven LOW. This
prevents a lock-up condition from occurring.
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