PCA9510 Philips Semiconductors (Acquired by NXP), PCA9510 Datasheet - Page 8

• 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: The PCA9510 and PCA9511 can be used in any combination depending on the number of rise time accelerators that are needed by the
system. Normally only one PCA9511 would be required per bus.
2003 Dec 18
BD_SEL
Hot swappable I
SMBus bus buffer
V
SDA
SCL
CC
10 kΩ
Figure 8. Hot swapping multiple I/O cards into a backplane using the PCA9510 and PCA9511 in a CompactPCI, VME, and
R1
BACKPLANE
R2
10 kΩ
CONNECTOR
BACKPLANE
2
C and
AdvancedTCA system
POWER SUPPLY
POWER SUPPLY
POWER SUPPLY
8
HOT SWAP
HOT SWAP
HOT SWAP
ENABLE
SDAIN
SCLIN
ENABLE
SDAIN
SCLIN
ENABLE
SDAIN
SCLIN
R3
10 kΩ
R7
10 kΩ
R11
10 kΩ
PCA9511
PCA9510
PCA9510
V
V
V
GND
GND
GND
I/O PERIPHERAL CARD 1
I/O PERIPHERAL CARD 2
I/O PERIPHERAL CARD N
CC
CC
CC
0.01 µF
0.01 µF
0.01 µF
C1
C3
C5
SDAOUT
SDAOUT
SDAOUT
SCLOUT
SCLOUT
SCLOUT
READY
READY
READY
PCA9510; PCA9511
R4
10 kΩ
R8
10 kΩ
R12
10 kΩ
R5
10 kΩ
R9
10 kΩ
R13
10 kΩ
R6
10 kΩ
R10
10 kΩ
R14
10 kΩ
CARD1_SDA
CARD1_SCL
CARD2_SDA
CARD2_SCL
CARDN_SDA
CARDN_SCL
Product data
SW02126