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參數(shù)資料
| 型號(hào)： | MAX4889ETO+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 16/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH OCTAL SPDT 42TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program Low Voltage Analog Switches Overview |
| 標(biāo)準(zhǔn)包裝： | 28 |
| 功能： | 開(kāi)關(guān) |
| 電路： | 8 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 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 42-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 42-TQFN-EP（3.5x9） |
| 包裝： | 管件 |
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MAX4888/MAX4889
2.5Gbps PCI Express Passive Switches
_______________________________________________________________________________________
9
Detailed Description
The MAX4888/MAX4889 high-speed passive switches
route PCIe data between two possible destinations. The
MAX4888/MAX4889 are ideal for routing PCIe signals to
change the system configuration. For example, in a
graphics application, the MAX4888/MAX4889 create two
sets of eight lanes from a single 16-lane bus. The
MAX4888/MAX4889 feature a single digital control input
(SEL) to switch signal paths.
The MAX4888/MAX4889 are fully specified to operate
from a single 3.0V to 3.6V power supply and also oper-
ate down to 1.65V.
Digital Control Input (SEL)
The MAX4888/MAX4889 provide a single digital control
input (SEL) to select the signal path between the
COM__ and NO__/NC__ channels. The truth tables for
the MAX4888/MAX4889 are depicted in the
Functional
Diagrams/Truth Table section. Drive SEL rail-to-rail to
minimize power consumption.
Analog Signal Levels
The MAX4888/MAX4889 accept standard PCIe signals
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 MAX4888/
MAX4889 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
0.1μF
3.3V
V+
MAX4888/MAX4889
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
MAX4888/MAX4889
OFF-ISOLATION = 20log
VOUT
VIN
ON-LOSS = 20log
VOUT
VIN
CROSSTALK = 20log
VOUT
VIN
NETWORK
ANALYZER
50Ω
MEAS
REF
0.1μF
0V OR V+
50Ω
GND
Figure 3. On-Loss, Off-Isolation, and Crosstalk
Test Circuits/Timing Diagrams (continued)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4889ETO+ | 功能描述:多路器開(kāi)關(guān) IC 2.5Gbps PCI Express Passive Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)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 |
| MAX4889ETO+T | 功能描述:多路器開(kāi)關(guān) IC 2.5Gbps PCI Express Passive Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)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 |
| MAX4889ETO-T | 功能描述:模擬開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX488C/D | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX488C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
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