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9DB403DFLF Datasheet(PDF) 12 Page - Integrated Device Technology

Part No. 9DB403DFLF
Description  Four Output Differential Buffer for PCIe Gen 1 and Gen 2
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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9DB403DFLF Datasheet(HTML) 12 Page - Integrated Device Technology

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IDTTM/ICSTM
Four Output Differential Buffer for PCIe Gen 1 and Gen 2
ICS9DB403D
REV L 10/07/09
ICS9DB403D
Four Output Differential Buffer for PCIe for Gen 1 and Gen 2
12
SMBus Table: Frequency Select Register, READ/WRITE ADDRESS (DC/DD)
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
PD_Mode
PD# drive mode
RW
driven
Hi-Z
0
Bit 6
STOP_Mode
SRC_Stop# drive mode
RW
driven
Hi-Z
0
Bit 5
PD_Polarity
Select PD polarity
RW
Low
High
0
Bit 4
Reserved
Reserved
RW
X
Bit 3
Reserved
Reserved
RW
X
Bit 2
PLL_BW#
Select PLL BW
RW
High BW
Low BW
1
Bit 1
BYPASS#
BYPASS#/PLL
RW
fan-out
ZDB
1
Bit 0
SRC_DIV#
SRC Divide by 2 Select
RW
x/2
1x
1
SMBus Table: Output Control Register
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
Reserved
Reserved
RW
1
Bit 6
DIF_6
Output Enable
RW
Disable
Enable
1
Bit 5
DIF_5
Output Enable
RW
Disable
Enable
1
Bit 4
Reserved
Reserved
RW
1
Bit 3
Reserved
Reserved
RW
1
Bit 2
DIF_2
Output Enable
RW
Disable
Enable
1
Bit 1
DIF_1
Output Enable
RW
Disable
Enable
1
Bit 0
Reserved
Reserved
RW
1
NOTE: The SMBus Output Enable Bit must be '1' AND the respective OE pin must be active for the output to run!
SMBus Table: OE Pin Control Register
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
Reserved
Reserved
RW
0
Bit 6
DIF_6
DIF_6 Stoppable with OE6
RW
Free-run
Stoppable
0
Bit 5
Reserved
Reserved
RW
0
Bit 4
Reserved
Reserved
RW
0
Bit 3
Reserved
Reserved
RW
0
Bit 2
Reserved
Reserved
RW
0
Bit 1
DIF_1
DIF_1 Stoppable with OE1
RW
Free-run
Stoppable
0
Bit 0
Reserved
Reserved
RW
0
SMBus Table: Reserved Register
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
X
Bit 6
X
Bit 5
X
Bit 4
X
Bit 3
X
Bit 2
X
Bit 1
X
Bit 0
X
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Byte 0
-
-
Reserved
-
Reserved
-
-
-
Reserved
-
-
9,10
-
-
Byte 1
-
22,23
19,20
-
-
Byte 2
-
-
-
-
6,7
22,23
6,7
-
Byte 3
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved


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