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9DBV0941_17 Datasheet, PDF (12/18 Pages) Integrated Device Technology – 9-Output 1.8V HCSL Fanout Buffer with Zo = 100ohms
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9DBV0941 DATASHEET
SMBus Table: Output Enable Register 1
Byte 0
Name
Control Function
Type
Bit 7
DIF OE7
Output Enable
RW
Bit 6
DIF OE6
Output Enable
RW
Bit 5
DIF OE5
Output Enable
RW
Bit 4
DIF OE4
Output Enable
RW
Bit 3
DIF OE3
Output Enable
RW
Bit 2
DIF OE2
Output Enable
RW
Bit 1
DIF OE1
Output Enable
RW
Bit 0
DIF OE0
Output Enable
RW
1. A low on these bits will override the OE# pin and force the differential output Low/Low
0
Low/Low
Low/Low
Low/Low
Low/Low
Low/Low
Low/Low
Low/Low
Low/Low
SMBus Table: Output Enable and Output Amplitude Control Register
Byte 1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Name
DIF OE8
AMPLITUDE 1
AMPLITUDE 0
Control Function
Type
Reserved
Reserved
Output Enable
RW
Reserved
Reserved
Reserved
Controls Output Amplitude
RW
RW
0
Low/Low
00 = 0.6V
10= 0.8V
1. A low on the DIF OE bit will override the OE# pin and force the differential output Low/Low
SMBus Table: DIF Slew Rate Control Register
Byte 2
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Name
SLEWRATESEL DIF7
SLEWRATESEL DIF6
SLEWRATESEL DIF5
SLEWRATESEL DIF4
SLEWRATESEL DIF3
SLEWRATESEL DIF2
SLEWRATESEL DIF1
SLEWRATESEL DIF0
Control Function
Adjust Slew Rate of DIF7
Adjust Slew Rate of DIF6
Adjust Slew Rate of DIF5
Adjust Slew Rate of DIF4
Adjust Slew Rate of DIF3
Adjust Slew Rate of DIF2
Adjust Slew Rate of DIF1
Adjust Slew Rate of DIF0
Type
RW
RW
RW
RW
RW
RW
RW
RW
0
Slow setting
Slow setting
Slow setting
Slow setting
Slow setting
Slow setting
Slow setting
Slow setting
SMBus Table: DIF Slew Rate Control Register
Byte 3
Name
Control Function
Type
Bit 7
Bit 6
Bit 5
Reserved
Reserved
Reserved
Bit 4
Reserved
Bit 3
Reserved
Bit 2
Bit 1
Bit 0
SLEWRATESEL DIF8
Reserved
Reserved
Adjust Slew Rate of DIF8
RW
0
Slow setting
Byte 4 is Reserved and reads back 'hFF
1
OE# pin control
OE# pin control
OE# pin control
OE# pin control
OE# pin control
OE# pin control
OE# pin control
OE# pin control
Default
1
1
1
1
1
1
1
1
1
OE# pin control
01 = 0.7V
11 = 0.9V
Default
0
1
1
0
1
1
1
0
1
Fast setting
Fast setting
Fast setting
Fast setting
Fast setting
Fast setting
Fast setting
Fast setting
Default
1
1
1
1
1
1
1
1
1
Fast setting
Default
1
1
0
0
0
1
1
1
9-OUTPUT 1.8V HCSL FANOUT BUFFER WITH ZO = 100OHMS
12
MARCH 14, 2017
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