Datasheet

LTC4313-1/LTC4313-2/
LTC4313-3
16
4313123f
applicaTions inForMaTion
Figure 9. The LTC4313-1 Operating in a Cascade with Other LTC Buffers
with Active RTAs. Only the Clock Pathway is Shown for Simplicity
LTC4313-1
GND
V
CC
SCLOUTSCLIN
SCL1
SCL2
R1
5k
C1
0.01µF
3.3V
LTC4300A
GND
V
CC
SCLOUT
SCL3
SCLIN
R3
2.7k
5V
R2
2.7k
4313123 F09
C
B1
100pF
* C
B2
690pF
LTC4307
GND
V
CC
SCLOUT
SCL4
I/O CARD #5
I/O CARD #2-4
SCLIN
R4
5k
BACKPLANE
I/O CARD #1
* PARASITIC BACKPLANE CAPACITANCE
Figure 10. Corresponding SCL Switching Waveforms.
No Glitches Are Seen
2V/DIV
2V/DIV
2V/DIV
1µs/DIV
4313123 F10
LTC4300A/
LTC4307
RTAs
TURN ON
LTC4313
BUFFERS
TURN OFF
LTC4313-1
RTA ON
SCL2
SCL3
SCL1