参数资料
型号: MAX4986ETO+T
厂商: Maxim Integrated Products
文件页数: 3/14页
文件大小: 0K
描述: IC MUX/DEMUX SAS/SATA 42TQFN
标准包装: 2,500
功能: 多路复用器/多路分解器
电路: 1 x 2:1
电压电源: 单电源
电压 - 电源,单路/双路(±): 3.3V
电流 - 电源: 145mA
工作温度: -40°C ~ 85°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
SAS/SATA Single Lane 2:1/1:2 Multiplexer/
Demultiplexer Plus Redriver with Equalization
MAX4986
11
Table 4. Input Equalization
Table 5. OOB Mode Select
Table 6. Output Amplitude Selection
X = Don’t care.
*See the Electrical Characteristics table.
SAS/SATA Mode Inputs
(MODE, MODEA, MODEB)
The MAX4986 supports both SAS and SATA OOB levels.
When MODE, MODEA, or MODEB are driven low or left
unconnected, the corresponding input’s OOB threshold
is 120mVP-P (min) (SAS mode). When MODE, MODEA,
or MODEB are driven high, the corresponding input’s
OOB threshold is 50mVP-P (min) (SATA mode). Signals
below the OOB threshold are squelched to prevent
unwanted noise from being redriven at the output. See
Table 5. MODE, MODEA, and MODEB have internal pull-
down resistors of 330kI (typ).
Output Amplitude Selection Inputs
(OAMP, OAMPA, OAMPB)
The MAX4986 features independent output amplitude
selection. When OAMP, OAMPA, or OAMPB are driven
high, the corresponding output amplitude is low. When
OAMP, OAMPA, or OAMPB are driven low or left uncon-
nected, the corresponding output amplitude is high.
See Table 6. OAMP, OAMPA, and OAMPB have internal
pulldown resistors of 330kI (typ).
INEQ
EQA
EQB
INP/INM
INAP/INAM
INBP/INBM
0
X
0dB
X
1
X
4dB
X
0
X
0dB
X
1
X
4dB
X
0
X
0dB
X
1
X
4dB
MODE
MODEA
MODEB
INP/INM
INAP/INAM
INBP/INBM
0
X
SAS
X
1
X
SATA
X
0
X
SAS
X
1
X
SATA
X
0
X
SAS
X
1
X
SATA
OAMP
OAMPA
OAMPB
OUTP/OUTM
OUTAP/OUTAM
OUTBP/OUTBM
0
X
HIGH*
X
1
X
LOW*
X
0
X
HIGH*
X
1
X
LOW*
X
0
X
HIGH*
X
1
X
LOW*
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