參數資料
型號: 935270406112
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, PDSO20
封裝: 7.50 MM, PLASTIC, MS-013, SOT-163-1, SO-20
文件頁數: 17/17頁
文件大小: 144K
代理商: 935270406112
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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