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參數(shù)資料
| 型號： | 935272002118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 編、解碼器及復用、解復用 |
| 英文描述： | 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PQCC20 |
| 封裝： | 5 X 5 MM, 0.85 MM HEIGHT, HEAT SINK, PLASTIC, MO-220, SOT-662-1, VQFN-20 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 137K |
| 代理商： | 935272002118 |
Philips Semiconductors
Product data
PCA9544
4-channel I2C multiplexer with interrupt logic
2002 Jul 26
9
TYPICAL APPLICATION
PCA9544
V = 2.7 – 5.5 V
SD0
SC0
V = 2.7 – 5.5 V
SD1
SC1
A1
A0
VSS
SDA
SCL
VDD = 3.3 V
VDD = 2.7 – 5.5 V
I2C/SMBus MASTER
SW00864
SDA
SCL
A2
INT
INT1
INT0
CHANNEL 0
CHANNEL 1
V = 2.7 – 5.5 V
SD1
SC1
INT2
CHANNEL 2
V = 2.7 – 5.5 V
SD1
SC1
INT3
CHANNEL 3
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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