pca9513a NXP Semiconductors, pca9513a Datasheet - Page 12

• Manufacturer Part Number: pca9513a
• Description: Hot Swappable I2c-bus And Smbus Bus Buffer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PCA9513A_PCA9514A_1
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. 01 — 11 October 2005
R1
10 k
CC
R4
10 k
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
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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
R6
10 k
R10
10 k
CARD1_SDA
CARD1_SCL
CARD2_SDA
CARD2_SCL
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