PCA9510 데이터 시트보기 (PDF) - Philips Electronics
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PCA9510 Datasheet PDF : 19 Pages
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Philips Semiconductors
Hot swappable I2C and SMBus bus buffer
Product data sheet
PCA9510; PCA9511
BACKPLANE
VCC
R1
10 kΩ
R2
10 kΩ
BACKPLANE
CONNECTOR
SDA
SCL
I/O PERIPHERAL CARD 1
ENABLE
SDAIN
SCLIN
C2 0.01 µF
C1
0.01 µF
R4
R5
R6
10 kΩ 10 kΩ 10 kΩ
VCC
GND
SDAOUT
SCLOUT
ACC
CARD_SDA
CARD_SCL
I/O PERIPHERAL CARD 2
ENABLE
SDAIN
SCLIN
C4 0.01 µF
C3
0.01 µF
R8
R9
R10
10 kΩ 10 kΩ 10 kΩ
VCC
GND
SDAOUT
SCLOUT
ACC
CARD2_SDA
CARD2_SCL
SW02121
Figure 10. Hot swapping multiple I/O cards into a backplane using the PCA9510 and PCA9511 in a PCI system
VCC
RDROP
R1
R4
10 kΩ 10 kΩ
VCC_LOW
C2
0.01 µF
R2
R3
1 kΩ 1 kΩ
R5
10 kΩ
SDA
SCL
VCC
ENABLE SDAOUT
SDAIN SCLOUT
SCLIN
READY
GND
SDA2
SCL2
SW02123
Figure 11. System with disparate VCC voltages
2004 Oct 05
9
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