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參數(shù)資料
| 型號(hào)： | SY55854UYI |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CROSSPOINT SWITCH 2X2 16-QSOP |
| 標(biāo)準(zhǔn)包裝： | 95 |
| 系列： | SuperLite® |
| 功能： | 交叉點(diǎn)開關(guān) |
| 電路： | 1 x 2:2 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 2.3 V ~ 5.5 V |
| 電流 - 電源： | 60mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-LSSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-EPAD-QSOP |
| 包裝： | 管件 |
Micrel, Inc.
SY55854U
October 2011
3
M9999-102711-G
hbwhelp@micrel.com or (408) 955-1690
Functional Description
Establishing Static Logic Inputs
The true pin of an input pair is internally biased to ground
through a 75k resistor. The complement pin of an input
pair is internally biased halfway between VCC and ground
by a voltage divider consisting of two 75k resistors. In
this way, unconnected inputs appear as logic zeros. To
keep an input at static logic zero at VCC > 3.0V, leave both
inputs unconnected. For VCC ≤ 3.0V, connect the
complement input to VCC and leave the true input
unconnected. To make an input static logic one, connect
the true input to VCC, and leave the complement input
unconnected. These are the only two safe ways to cause
inputs to be at a static value. In particular, no input pin
should be directly connected to ground. All NC (no
connect) pins should be unconnected.
Figure 1. Hard Wiring a Logic “1” (1)
Note:
1. X is either D0, D1, S0, or S1 input. /X is either /D0, /D1, /S0, or /S1
input.
Figure 2. Hard Wiring a Logic “0” (1)
Usage
SY55854U is very versatile. Tying its select inputs in
various ways varies its functionality. For example, tying the
select inputs together turns SY55854U into a redundant
distributor. Either input will be switched to both outputs
simultaneously. This is very useful in redundant backplane
applications. By cross-tying the select inputs, SY55854U
becomes a true crosspoint, selecting between “straight
through” and “cross connected” operation. Also, using the
select inputs independently, SY55854U functions as two
multiplexers. Setting the select inputs to static values turns
SY55854U into a dual buffer, or a fan-out buffer.
To make larger crosspoints, cascade SY55854U devices,
either in a tree, or in a Banyan structure, as appropriate for
your application.
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參數(shù)描述 |
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| SY55854UYI TR | 功能描述:IC CROSSPOINT SWITCH 2X2 16-QSOP RoHS:否 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:SuperLite® 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 |
| SY55854UYITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2 x 2 Protection Crosspoint Switch |
| SY55854UYY | 功能描述:模擬和數(shù)字交叉點(diǎn) IC Precision 3Gbps 2x2 CML Crosspoint Switch (I Temp, Lead Free) RoHS:否 制造商:Micrel 配置:2 x 2 封裝 / 箱體:MLF-16 數(shù)據(jù)速率:10.7 Gbps 輸入電平:CML, LVDS, LVPECL 輸出電平:CML 電源電壓-最大:3.6 V 電源電壓-最小:2.375 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 產(chǎn)品:Digital Crosspoint 封裝:Tube |
| SY55854UYY TR | 功能描述:模擬和數(shù)字交叉點(diǎn) IC Precision 3Gbps 2x2 CML Crosspoint Switch (I Temp, Lead Free) RoHS:否 制造商:Micrel 配置:2 x 2 封裝 / 箱體:MLF-16 數(shù)據(jù)速率:10.7 Gbps 輸入電平:CML, LVDS, LVPECL 輸出電平:CML 電源電壓-最大:3.6 V 電源電壓-最小:2.375 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 產(chǎn)品:Digital Crosspoint 封裝:Tube |
| SY55854UYYTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2 X 2 PROTECTION CROSSPOINT SWITCH |
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