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| DS80PCI800SQ Datasheet, PDF (11/45 Pages) Texas Instruments – DS80PCI800 2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater | |||
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www.ti.com
DS80PCI800
SNLS334E â APRIL 2011 â REVISED MARCH 2012
+
IN
0V
-
tPLHD
+
OUT
0V
-
tPHLD
Figure 3. Propagation Delay Timing Diagram
+
IN
-
tIDLE-DATA
+
OUT
-
IDLE
DATA
tDATA-IDLE
DATA
0V
0V
IDLE
Figure 4. Transmit IDLE-DATA and DATA-IDLE Response Time
tLOW
tR
tBUF
tHD:STA
tHD:DAT
tHIGH
tF
tSU:DAT
tSU:STA
tSU:STO
SP
ST
ST
SP
Figure 5. SMBus Timing Parameters
SCL
SDA
Functional Descriptions
The DS80PCI800 is a low power 8 channel repeater optimized for PCI Express Gen 1/2 and 3. The DS80PCI800
compensates for lossy FR-4 printed circuit board backplanes and balanced cables. The DS80PCI800 operates in
3 modes: Pin Control Mode (ENSMB = 0), SMBus Slave Mode (ENSMB = 1) and SMBus Master Mode (ENSMB
= float) to load register informations from external EEPROM; please refer to SMBUS Master Mode for additional
information.
Pin Control Mode:
Copyright © 2011â2012, Texas Instruments Incorporated
Product Folder Links: DS80PCI800
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