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參數(shù)資料
| 型號： | 935270442112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, MO-153, SOT-360-1, TSSOP-20 |
| 文件頁數(shù)： | 17/17頁 |
| 文件大?。?/td> | 144K |
| 代理商： | 935270442112 |
Philips Semiconductors
Product data
PCA9545
4-channel I2C switch with interrupt logic and reset
2002 Dec 13
9
TYPICAL APPLICATION
PCA9545
V = 2.7 - 5.5 V
SD0
SC0
V = 2.7 - 5.5 V
SD1
SC1
A1
A0
VSS
SDA
SCL
RESET
VDD = 3.3 V
VDD = 2.7 - 5.5 V
I2C/SMBus MASTER
SW00810
SDA
SCL
CHANNEL 0
CHANNEL 1
V = 2.7 - 5.5 V
SD2
SC2
CHANNEL 2
V = 2.7 - 5.5 V
SD3
SC3
CHANNEL 3
INT
INT0
INT1
INT2
INT3
NOTE:
1.
If the device generating the Interrupt has an open-drain output structure or
can be tri-stated, a pull-up resistor is required.
If the device generating the Interrupt has a totem-pole output structure and
cannot be tri-stated, a pull-up resistor is not required.
The Interrupt inputs should not be left floating.
SEE NOTE (1)
Figure 13. Typical application
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