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DS90CR484AVJD/NOPB PDF预览

DS90CR484AVJD/NOPB

更新时间: 2024-11-20 11:09:43
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德州仪器 - TI 时钟
页数 文件大小 规格书
28页 1225K
描述
48 位 LVDS 通道链接解串器,具备 33MHz 至 112MHz 输入时钟支持 | NEZ | 100 | -10 to 70

DS90CR484AVJD/NOPB 数据手册

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DS90CR483A, DS90CR484A  
www.ti.com  
SNLS291A APRIL 2008REVISED APRIL 2013  
DS90CR483A / DS90CR484A 48-Bit LVDS Channel Link SER/DES – 33 - 112 MHz  
Check for Samples: DS90CR483A, DS90CR484A  
The multiplexing of data lines provides a substantial  
1
FEATURES  
cable reduction. Long distance parallel single-ended  
buses typically require a ground wire per active signal  
(and have very limited noise rejection capability).  
Thus, for a 48-bit wide data and one clock, up to 98  
conductors are required. With this Channel Link  
chipset as few as 19 conductors (8 data pairs, 1 clock  
pair and a minimum of one ground) are needed. This  
provides an 80% reduction in cable width, which  
provides a system cost savings, reduces connector  
physical size and cost, and reduces shielding  
requirements due to the cables' smaller form factor.  
2
Up to 5.38 Gbits/sec Bandwidth  
33 MHz to 112 MHz Input Clock Support  
LVDS SER/DES Reduces Cable and Connector  
Size  
Pre-emphasis Reduces Cable Loading Effects  
DC Balance Data Transmission Provided by  
Transmitter Reduces ISI Distortion  
Cable Deskew of +/1 LVDS Data Bit Time (up  
to 80 MHz Clock Rate)  
The 48 CMOS/TTL inputs can support a variety of  
signal combinations. For example, 6 8-bit words or 5  
9-bit (byte + parity) and 3 controls.  
5V Tolerant TxIN and Control Input Pins  
Flow Through Pinout for Easy PCB Design  
+3.3V Supply Voltage  
The DS90CR483A/DS90CR484A chipset is improved  
over prior generations of Channel Link devices and  
offers higher bandwidth support and longer cable  
drive with three areas of enhancement. To increase  
bandwidth, the maximum clock rate is increased to  
Transmitter Rejects Cycle-to-Cycle Jitter  
Conforms to ANSI/TIA/EIA-644-1995 LVDS  
Standard  
Both Devices are Available in 100 Lead TQFP  
Package  
112 MHz and  
8 serialized LVDS outputs are  
provided. Cable drive is enhanced with a user  
selectable pre-emphasis feature that provides  
additional output current during transitions to  
counteract cable loading effects. Optional DC  
balancing on a cycle-to-cycle basis, is also provided  
to reduce ISI (Inter-Symbol Interference). With pre-  
emphasis and DC balancing, a low distortion eye-  
pattern is provided at the receiver end of the cable. A  
cable deskew capability has been added to deskew  
long cables of pair-to-pair skew of up to +/1 LVDS  
data bit time (up to 80 MHz Clock Rate). These three  
enhancements allow cables 5+ meters in length to be  
driven.  
DESCRIPTION  
The DS90CR483A transmitter converts 48 bits of  
CMOS/TTL data into eight LVDS (Low Voltage  
Differential Signaling) data streams. A phase-locked  
transmit clock is transmitted in parallel with the data  
streams over a ninth LVDS link. Every cycle of the  
transmit clock 48 bits of input data are sampled and  
transmitted. The DS90CR484A receiver converts the  
LVDS data streams back into 48 bits of CMOS/TTL  
data. At a transmit clock frequency of 112MHz, 48  
bits of TTL data are transmitted at a rate of 672Mbps  
per LVDS data channel. Using a 112MHz clock, the  
data throughput is 5.38Gbit/s (672Mbytes/s).  
The chipset is an ideal means to solve EMI and cable  
size problems associated with wide, high speed TTL  
interfaces.  
For more details, please refer to the Applications  
Information section of this datasheet.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008–2013, Texas Instruments Incorporated  

DS90CR484AVJD/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
DS90CR484AVJDX/NOPB TI

完全替代

48 位 LVDS 通道链接解串器,具备 33MHz 至 112MHz 输入时钟支持 |
DS90CR484AVJD TI

完全替代

DS90CR483A/DS90CR484A 48-Bit LVDS Channel Link SER/DES 33-112 MHz
DS90CR484VJD/NOPB TI

类似代替

48-Bit LVDS Channel Link SER/DES - 33 - 112 MHz

与DS90CR484AVJD/NOPB相关器件

型号 品牌 获取价格 描述 数据表
DS90CR484AVJDX/NOPB TI

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48 位 LVDS 通道链接解串器,具备 33MHz 至 112MHz 输入时钟支持 |
DS90CR484SLB NSC

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IC LINE RECEIVER, QCC128, 0.50 MM PITCH, CSP-128, Line Driver or Receiver
DS90CR484SLB TI

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LINE RECEIVER, QCC128, 0.50 MM PITCH, CSP-128
DS90CR484VJD NSC

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48-Bit LVDS Channel Link Serializer/Deserializer
DS90CR484VJD/NOPB NSC

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IC OCTAL LINE RECEIVER, PQFP100, TQFP-100, Line Driver or Receiver
DS90CR484VJD/NOPB TI

获取价格

48-Bit LVDS Channel Link SER/DES - 33 - 112 MHz
DS90CR484VJDX TI

获取价格

OCTAL LINE RECEIVER, PQFP100, TQFP-100
DS90CR484VJDX/NOPB NSC

获取价格

IC OCTAL LINE RECEIVER, PQFP100, TQFP-100, Line Driver or Receiver
DS90CR484VJDX/NOPB TI

获取价格

48-Bit Channel Link Deserializer - 33-112MHz 100-TQFP
DS90CR485 NSC

获取价格

133MHz 48-bit Channel Link Serializer (6.384 Gbps)