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DS90CR218A

更新时间： 2024-01-19 04:35:38

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
15页	286K
描述
+3.3V Rising Edge Data Strobe LVDS 21-Bit Channel Link - 85 MHz

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数据手册

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DS90CR218A 数据手册

November 1999

DS90CR218A/DS90CR217

+3.3V Rising Edge Data Strobe LVDS 21-Bit Channel

Link - 85 MHz

General Description

Features

n 20 to 85 MHz shift clock support

n 50% duty cycle on receiver output clock

n Best–in–Class Set & Hold Times on TxINPUTs

n Low power consumption

The DS90CR217 transmitter converts 21 bits of CMOS/TTL

data into three LVDS (Low Voltage Differential Signaling)

data streams. A phase-locked transmit clock is transmitted in

parallel with the data streams over a fourth LVDS link. Every

cycle of the transmit clock 21 bits of input data are sampled

and transmitted. The DS90CR218A receiver converts the

three LVDS data streams back into 21 bits of CMOS/TTL

data. At a transmit clock frequency of 85 MHz, 21 bits of TTL

data are transmitted at a rate of 595 Mbps per LVDS data

channel. Using a 85 MHz clock, the data throughput is 1.785

Gbit/s (223 Mbytes/sec).

1V common mode range (around +1.2V)

n Narrow bus reduces cable size and cost

n Up to 1.785 Gbps throughput

n Up to 223 Megabytes/sec bandwidth

n 345 mV (typ) swing LVDS devices for low EMI

n PLL requires no external components

n Rising edge data strobe

This chipset is an ideal means to solve EMI and cable size

problems associated with wide, high speed TTL interfaces.

n Compatible with TIA/EIA-644 LVDS standard

n Low profile 48-lead TSSOP package

Block Diagrams

DS90CR217

DS90CR218A

DS101080-1

DS101080-27

Order Number DS90CR217MTD

See NS Package Number MTD48

Order Number DS90CR218AMTD

See NS Package Number MTD48

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

DS101080

www.national.com

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与DS90CR218A相关器件

型号	品牌	获取价格	描述	数据表
DS90CR218A_06	NSC	获取价格	+3.3V Rising Edge Data Strobe LVDS 21-Bit Channel Link - 12 MHz to 85 MHz
DS90CR218AMTD	NSC	获取价格	+3.3V Rising Edge Data Strobe LVDS 21-Bit Channel Link - 85 MHz
DS90CR218AMTD/NOPB	NSC	获取价格	IC LINE RECEIVER, PDSO48, TSSOP-48, Line Driver or Receiver
DS90CR218AMTD/NOPB	TI	获取价格	+3.3V 上升沿数据选通 LVDS 21 位频道链接接收器 - 85MHz \| DGG
DS90CR218AMTDX	NSC	获取价格	Video Link Interface
DS90CR218AMTDX/NOPB	NSC	获取价格	IC QUAD LINE RECEIVER, PDSO48, TSSOP-48, Line Driver or Receiver
DS90CR218AMTDX/NOPB	TI	获取价格	+3.3V 上升沿数据选通 LVDS 21 位频道链接接收器 - 85MHz \| DGG
DS90CR218MTD	NSC	获取价格	+3.3V Rising Edge Data Strobe LVDS 21-Bit Channel Link - 75 MHz
DS90CR281	NSC	获取价格	28-Bit Channel Link
DS90CR281	TI	获取价格	28-Bit Channel Link