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參數(shù)資料
| 型號(hào)： | ADG3304BRUZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 10/20頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC XLATR BIDIR V-LVL 4CH 14TSSOP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 邏輯功能： | 變換器，雙向 |
| 位數(shù)： | 4 |
| 輸入類型： | 邏輯 |
| 輸出類型： | 邏輯 |
| 數(shù)據(jù)速率： | 50Mbps |
| 通道數(shù)： | 4 |
| 輸出/通道數(shù)目： | 1 |
| 差分 - 輸入:輸出： | 無(wú)/無(wú) |
| 傳輸延遲（最大）： | 6ns |
| 電源電壓： | 1.15 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | ADG3304BRUZ-REEL7-ND ADG3304BRUZ-REEL7TR |
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ADG3304
Data Sheet
Rev. D | Page 18 of 20
APPLICATIONS
The ADG3304 is designed for digital circuits that operate at
different supply voltages; therefore, logic level translation is
required. The lower voltage logic signals are connected to the
A pins, and the higher voltage logic signals are connected to the
Y pins. The ADG3304 can provide level translation in both
directions from A→Y or Y→A on all four channels, eliminating
the need for a level translator IC for each direction. The internal
architecture allows the ADG3304 to perform bidirectional level
translation without an additional signal to set the direction in
which the translation is made. It also allows simultaneous data
flow in both directions on the same part, for example, when two
channels translate in A→Y direction while the other two translate
in Y→A direction. This simplifies the design by eliminating the
timing requirements for the direction signal and reducing the
number of ICs used for level translation.
Figure 40 shows an application where two microprocessors
operating at 1.8 V and 3.3 V, respectively, can transfer data
simultaneously using two full-duplex serial links, TX1/RX1
and TX2/RX2.
VCCY
Y1
Y2
Y3
Y4
EN
GND
A4
A3
A2
A1
VCCA
ADG3304
MICROPROCESSOR/
MICROCONTROLLER/
DSP
1.8V
3.3V
MICROPROCESSOR/
MICROCONTROLLER/
DSP
100nF
TX1
RX2
TX2
RX1
TX2
RX2
TX1
GND
04860-056
GND
Figure 40. 1.8 V to 3.3 V Level Translation Circuit on
Two Full-Duplex Serial Links
When the application requires level translation between a micro-
processor and multiple peripheral devices, the ADG3304 I/O
pins can be three-stated by setting EN = 0. This feature allows
the ADG3304 to share the data buses with other devices without
causing contention issues. Figure 41 shows an application where
a 1.8 V microprocessor is connected to a 3.3 V peripheral
device using the three-state feature.
VCCY
Y1
Y2
Y3
Y4
EN
GND
A4
A3
A2
A1
VCCA
ADG3304
MICROPROCESSOR/
MICROCONTROLLER/
DSP
CS
1.8V
3.3V
PERIPHERAL
DEVICE 1
100nF
I/OL1
I/OL4
I/OL3
I/OL2
I/OH1
I/OH4
I/OH3
I/OH2
GND
04860-055
100nF
GND
Y1
Y2
Y3
Y4
EN
GND
A4
A3
A2
A1
VCCA
ADG3304
3.3V
PERIPHERAL
DEVICE 2
I/OH1
I/OH4
I/OH3
I/OH2
GND
Figure 41. 1.8 V to 3.3 V Level Translation Circuit
Using the Three-State Feature
LAYOUT GUIDELINES
As with any high speed digital IC, the printed circuit board
layout is important for the overall performance of the circuit.
Care should be taken to ensure proper power supply bypass and
return paths for the high speed signals. Each VCC pin (VCCA and
VCCY) should be bypassed using low effective series resistance
(ESR) and effective series inductance (ESI) capacitors placed as
close as possible to the VCCA pin and the VCCY pin. The parasitic
inductance of the high speed signal track may cause significant
overshoot. This effect can be reduced by keeping the length of
the tracks as short as possible. A solid copper plane for the
return path (GND) is also recommended.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADG3304SRU-EP-RL7 | 功能描述:轉(zhuǎn)換 - 電壓電平 1.2 V - 5.5 V 4-channel BI-DIR TRANS IC RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| ADG3304SRUZ-EP-RL7 | 功能描述:IC XLATR BIDIR 1.15-5.5V 14TSSOP 制造商:analog devices inc. 系列:- 零件狀態(tài):在售 轉(zhuǎn)換器類型:電壓電平 通道類型:雙向 電路數(shù):1 每個(gè)電路的通道數(shù):4 電壓 - VCCA:1.15V ~ 5.5V 電壓?- VCCB:1.65V ~ 5.5V 輸入信號(hào):- 輸出信號(hào):- 輸出類型:三態(tài)，非反相 數(shù)據(jù)速率:50Mbps 工作溫度:-55°C ~ 125°C（TA） 特性:- 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商器件封裝:14-TSSOP 標(biāo)準(zhǔn)包裝:1,000 |
| ADG3304WBRUZ-REEL | 制造商:Analog Devices 功能描述: |
| ADG3308 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Voltage 1.2 V to 5.5 V, Bidirectional, Logic Level Translators |
| ADG3308BCBZ-1-REEL | 功能描述:IC XLATOR 8CH 1.2-5.5V 20-WLCSP RoHS:是 類別:集成電路 (IC) >> 邏輯 - 變換器 系列:- 產(chǎn)品培訓(xùn)模塊:Logic Packages 標(biāo)準(zhǔn)包裝:2,500 系列:- 邏輯功能:變換器，雙向 位數(shù):2 輸入類型:電壓 輸出類型:電壓 數(shù)據(jù)速率:- 通道數(shù):2 輸出/通道數(shù)目:1 差分 - 輸入:輸出:無(wú)/無(wú) 傳輸延遲（最大）:1.5ns 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:帶卷 (TR) 其它名稱:935284857118GTL2002DP/S440-TGTL2002DP/S440-T-ND |
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