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參數(shù)資料
| 型號： | MAX4888AETI+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 14/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH QUAD SPDT 28TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 功能： | 開關(guān) |
| 電路： | 4 x SPDT |
| 導(dǎo)通狀態(tài)電阻： | 7 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 1.65 V ~ 3.6 V |
| 電流 - 電源： | 60µA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 28-TQFN-EP（3.5x5.5） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | MAX4888AETI+TDKR |
MAX4888A/MAX4889A
5.0Gbps PCI Express Passive Switches
_______________________________________________________________________________________
9
Detailed Description
The MAX4888A/MAX4889A high-speed passive switch-
es route PCIe data between two possible destinations.
The MAX4888A/MAX4889A are ideal for routing PCIe sig-
nals to change the system configuration. For example, in
a graphics application, the MAX4888A/MAX4889A create
two sets of eight lanes from a single 16-lane bus. The
MAX4888A/MAX4889A feature a single digital control
input (SEL) to switch signal paths.
The MAX4888A/MAX4889A are fully specified to oper-
ate from a single +3.0V to +3.6V power supply.
Digital Control Input (SEL)
The MAX4888A/MAX4889A provide a single digital con-
trol input (SEL) to select the signal path between the
COM__ and NO__/NC__ channels. The truth tables for
the MAX4888A/MAX4889A are depicted in the
Functional Diagrams/Truth Table section. Drive SEL rail-
to-rail to minimize power consumption.
Analog Signal Levels
The MAX4888A/MAX4889A accept standard PCIe sig-
nals to a maximum of V+ - 1.2V. Signals on the COM_+
channels are routed to either the NO_+ or NC_+ chan-
nels, and signals on the COM_- channels are routed to
either the NO_- or NC_- channels. The MAX4888A/
MAX4889A are bidirectional switches, allowing COM__,
NO__, and NC__ to be used as either inputs or outputs.
CAPACITANCE
METER
NC_ or
NO_
COM_
GND
SEL
VIL OR VIH
0.1
μF
+3.3V
V+
MAX4888A/MAX4889A
Figure 4. Channel Off-/On-Capacitance
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN COM_ AND "OFF" NO_ OR NC_ TERMINAL ON EACH SWITCH.
ON-LOSS IS MEASURED BETWEEN COM_ AND "ON" NO_ OR NC_ TERMINAL ON EACH SWITCH.
CROSSTALK IS MEASURED BETWEEN ANY TWO PAIRS.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
+3.3V
VOUT
V+
SEL
NC_
COM_
NO_
VIN
MAX4888A/MAX4889A
OFF-ISOLATION = 20log
VOUT
VIN
ON-LOSS = 20log
VOUT
VIN
CROSSTALK = 20log
VOUT
VIN
NETWORK
ANALYZER
50
Ω
50
Ω
50
Ω
50
Ω
MEAS
REF
0.1
μF
0V OR V+
50
Ω
GND
Figure 3. On-Loss, Off-Isolation, and Crosstalk
Test Circuits/Timing Diagrams (continued)
Contact factory if operating at +2.5V or +1.8V.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4888BETI+ | 功能描述:多路器開關(guān) IC 8.0Gbps Dual Passive Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4888BETI+T | 功能描述:多路器開關(guān) IC 8.0Gbps Dual Passive Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4888BGTI+ | 制造商:Maxim Integrated Products 功能描述:DUAL 8GBPS PASSIVE SWITCH WITH EXTENDED TEMPERATURE OPERATIO - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC SWITCH QUAD SPDT 28TQFN |
| MAX4888BGTI+T | 制造商:Maxim Integrated Products 功能描述:DUAL 8GBPS PASSIVE SWITCH WITH EXTENDED TEMPERATURE OPERATIO - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC SWITCH QUAD SPDT 28TQFN |
| MAX4888CETI+ | 功能描述:多路器開關(guān) IC 8.0Gbps Dual Passive Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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