PCA9510 Philips Semiconductors (Acquired by NXP), PCA9510 Datasheet - Page 10

• Manufacturer Part Number: PCA9510
• Description: Hot Swappable I2C And Smbus Bus Bufferhot Swappable i C And Smbus Buffers That Allows I/o Card Insertion Into a Live Backplane Without Corrupting The Data And Clock Buses. Control Circuitry Prevents The Backplane From Being Connected to The Card Unti
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
NOTE:
1. See Application Note AN255 - I
2003 Dec 18
V
CC
Hot swappable I
SMBus bus buffer
transmission of the I
= 5 V OR 3.3 V
TO OTHER
SYSTEM 1
DEVICES
SDA1
SCL1
R1
10 kΩ
2
C or SMBus.
R4
10 kΩ
Figure 10. Repeater/bus extender application using the PCA9510 and PCA9511
V
SDA
SCL
2
CC
R9
10 kΩ
C and
SDAIN
SCLIN
ENABLE
2
C Repeaters, Hubs, and Expanders for more information on other devices better optimized for long distance
I
2
R1
10 kΩ
C SYSTEM 1
GND
V
SDAOUT
CC
SCLOUT
READY
Figure 11. System with disparate V
R2
10 kΩ
R
C1
0.01 µF
DROP
R3
10 kΩ
R5
10 kΩ
SDAIN
SCLIN
ENABLE
C2
0.01 µF
V
CC_LOW
GND
V
R2
5.1 kΩ
CC
LONG
DISTANCE
BUS
SDAOUT
SCLOUT
5.1 kΩ
10
READY
R3
10 kΩ
R4
10 kΩ
R6
CC
voltages
R5
10 kΩ
0.01 µF
SCLOUT
SDAOUT
I
READY
C2
2
C SYSTEM 2
R6
10 kΩ
GND
V
SDA2
SCL2
CC
ENABLE
SDAIN
SCLIN
PCA9510; PCA9511
10 kΩ
R9
R7
10 kΩ
R8
10 kΩ
V
SDA1
SCL1
CC
TO OTHER
SYSTEM 2
DEVICES
SW02123
Product data
SW02122