参数资料
型号: DS100BR111SQE/NOPB
厂商: National Semiconductor
文件页数: 39/43页
文件大小: 0K
描述: IC REPEATER 10.3GBPS 2CH 24LLP
标准包装: 250
系列: *
SNLS338E – JANUARY 2011 – REVISED FEBRUARY 2013
Pin Descriptions(1) (continued)
Pin Name
Pin Number
I/O, Type
Pin Description
MODE
18
I, LVCMOS
Controls Device Mode of Operation
High = Continuous Talk
Float = 10G-KR Mode, Slow OOB
20K
= eSATA Mode, Fast OOB, Auto Low Power on 100 uS of inactivity. SD stays
active.
Low = SAS Mode, Fast OOB
Status Output
LOS
13
O, Open
Indicates Loss of Signal (Default is LOS on INA). Can be modified via SMBus
Drain
registers.
LOS Threshold Input
SD_TH
14
I, LVCMOS,
The SD_TH pin controls LOS threshold setting;
Float
Assert (mV), Deassert (mV)
(4-Levels)
20K = 160 mV, 100 mV
Float = 180 mV, 110 mV (Default)
High = 190 mV, 130 mV
Low = 210 mV, 150 mV(4)
Power
VDD
21, 22
Power
Power supply pins
2.5V mode connect to 2.5V
3.3V mode do not connect to any supply voltage. Should be used to attach external
decoupling to device, 100 - 200 nF recommended.
See Applications Information section for additional information.
VIN
15
Power
VIN = 3.3V +/-10% (input to internal LDO regulator)(5) See Applications Information
section for additional information.
GND
DAP
Power
Ground pad (DAP - die attach pad).
For additional information Table 1 Table 5 .
(4)
Using values less than the default level can extend the time required to detect LOS and are not recommended.
(5)
Must FLOAT for 2.5V operation.
Copyright 2011–2013, Texas Instruments Incorporated
5
Product Folder Links: DS100BR111
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