Datasheet

LTC4304
11
4304fa
Figure 4 shows the LTC4304 in a PCI application where all
of the pins have the same length. In this case, a RC fi lter
circuit on the I/O card with a product of 10ms provides a
R3
100k
4304 F04
R9
10k
R8
10k
R10
10k
R12
10k
I/O PERIPHERAL CARD 2
CARD2_SCL
CARD2_SDA
R5
10k
R4
10k
I/O PERIPHERAL CARD 1
CARD1_SCL
CARD1_SDA
R1
10k
V
CC
R2
10k
BACKPLANE
BACKPLANE
CONNECTOR
SDA
SCL
C1
0.01µF
C2
0.1µF
C3
0.01µF
R6
10k
•
•
•
R7
100k
C4
0.1µF
R11
10k
ENABLE
SDAIN
SCLIN
ACC
V
CC
GND
SDAOUT
SCLOUT
READY
FAULT
LTC4304
ENABLE
SDAIN
SCLIN
ACC
V
CC
GND
SDAOUT
SCLOUT
READY
FAULT
LTC4304
Figure 4. Inserting Multiple I/O Cards into a Live Backplane Using the LTC4304 in a PCI System
fi lter to prevent the LTC4304 from becoming activated until
the transients associated with live insertion have settled.
Connect the capacitor between ENABLE and GND, and the
resistor from V
CC
to ENABLE.
APPLICATIONS INFORMATION