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參數(shù)資料
| 型號(hào)： | CLC018 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 8 x 8 Digital Crosspoint Switch, 1.4 Gbps(8 x 8數(shù)字交點(diǎn)開關(guān)，1.4 Gbps) |
| 中文描述： | 8 × 8數(shù)字交叉點(diǎn)開關(guān)，1.4吉比特（8 × 8數(shù)字交點(diǎn)開關(guān)，1.4 Gbps）的 |
| 文件頁(yè)數(shù)： | 11/17頁(yè) |
| 文件大?。?/td> | 215K |
| 代理商： | CLC018 |
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Operation
(Continued)
EXPANDING THE NUMBER OF INPUT PORTS
Expanding the number of inputs in a switch array is accom-
plished by wire-ORing the outputs together, and TRI-
STATEing the outputs of the CLC018s that do not have their
inputs selected. The output bus should be a controlled im-
pedance transmission line with proper termination. This is
shown in Figure 11 The circuit uses a 1-of-2 decoder with
complemented outputs to control the TRI pins of the
CLC018s in the array. Thus, all CLC018s are programmed
simultaneously, and all of them, except for the one with the
selected input, are placed in the TRI-STATE mode.
EXPANDING BOTH INPUTS AND OUTPUTS
To increase both the number of inputs and outputs in an ar-
ray, apply both the input port and output port expansion tech-
niques simultaneously. In Figure 12 this is shown for the
case of a 24 input by 32 output switch array. Note that both
input and output busses need to be controlled impedance
transmission lines. The CS pins for rows of CLC018s are
connected together and become the row select inputs,
whereas the TRI pins are connected together for the col-
umns of CLC018s and become the column select pins.
DS100088-20
FIGURE 10. 8 x 16 Crosspoint Example
C
www.national.com
11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CLC018_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8 x 8 Digital Crosspoint Switch, 1.485 Gbps |
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| CLC018AJVJQ/NOPB | 功能描述:IC CROSSPOINT SWITCH 8X8 64PQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:- 標(biāo)準(zhǔn)包裝:48 系列:- 功能:開關(guān) 電路:4 x SPST - NO 導(dǎo)通狀態(tài)電阻:100 歐姆 電壓電源:單/雙電源 電壓 - 電源，單路/雙路(±):2 V ~ 12 V，±2 V ~ 6 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| C-LC01-E3-KIT | 制造商:TDK 功能描述:KIT CAP CER HI CAP MLCC SMD |
| CLC020 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SMPTE 259M Digital Video Serializer with Integrated Cable Driver |
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