PCA9514AD NXP Semiconductors, PCA9514AD Datasheet - Page 12

• Manufacturer Part Number: PCA9514AD
• Description: Hot Swappable I2C Bus and SMBus Bus Buffer 8-Pin SO Tube
• Manufacturer: NXP Semiconductors

Specifications of PCA9514AD

• Package: 8SO
• Operating Temperature: -40 to 85 °C

NXP Semiconductors
PCA9513A_PCA9514A_4
Product data sheet
Fig 10. Hot swapping multiple I/O cards into a backplane using the PCA9514A in a PCI system
SDA
SCL
V
CC
10 k
BACKPLANE
R1
R2
10 k
CONNECTOR
BACKPLANE
Fig 11. System with disparate V
V
R
CC
drop
> V
is the line loss of V
CC_LOW
SDA
V
SCL
CC
.
Rev. 04 — 18 August 2009
R1
10 k
R4
10 k
CC
R
drop
in the backplane.
C2
0.01 F
C4
0.01 F
CC
voltages
ENABLE
SDAIN
SCLIN
C2
0.01 F
ENABLE
SDAIN
SCLIN
ENABLE
SDAIN
SCLIN
Hot swappable I
PCA9513A; PCA9514A
V
GND
V
CC_LOW
CC
I/O PERIPHERAL CARD 1
I/O PERIPHERAL CARD 2
SDAOUT
SCLOUT
GND
GND
V
V
READY
CC
CC
SDAOUT
SDAOUT
SCLOUT
SCLOUT
READY
READY
C1
0.01 F
C3
0.01 F
R2
10 k
2
C-bus and SMBus bus buffer
R4
10 k
R8
10 k
R3
10 k
R5
10 k
R9
10 k
002aab587
R5
10 k
SDA2
SCL2
© NXP B.V. 2009. All rights reserved.
R6
10 k
R10
10 k
CARD1_SDA
CARD1_SCL
CARD2_SDA
CARD2_SCL
002aab585
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