Datasheet > DS90CP22_07

DS90CP22_07

更新时间： 2024-09-16 04:39:11

品牌	Logo	应用领域
美国国家半导体 - NSC		开关
页数	文件大小	规格书
10页	1406K
描述
800 Mbps 2x2 LVDS Crosspoint Switch

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DS90CP22_07 数据手册

December 5, 2007

DS90CP22

800 Mbps 2x2 LVDS Crosspoint Switch

General Description

Features

DS90CP22 is a 2x2 crosspoint switch utilizing LVDS (Low

Voltage Differential Signaling) technology for low power, high

speed operation. Data paths are fully differential from input to

output for low noise generation and low pulse width distortion.

The non-blocking design allows connection of any input to any

output or outputs. LVDS I/O enable high speed data trans-

mission for point-to-point interconnects. This device can be

used as a high speed differential crosspoint, 2:1 mux, 1:2 de-

mux, repeater or 1:2 signal splitter. The mux and demux

functions are useful for switching between primary and back-

up circuits in fault tolerant systems. The 1:2 signal splitter and

2:1 mux functions are useful for distribution of serial bus

across several rack-mounted backplanes.

DC - 800 Mbps low jitter, low skew operation

■

65 ps (typ) of pk-pk jitter with PRBS = 2²³−1 data pattern

at 800 Mbps

Single +3.3 V Supply

■

Less than 330 mW (typ) total power dissipation

Non-blocking "'Switch Architecture"'

Balanced output impedance

Output channel-to-channel skew is 35 ps (typ)

Configurable as 2:1 mux, 1:2 demux, repeater or 1:2 signal

splitter

LVDS receiver inputs accept LVPECL signals

Fast switch time of 1.2ns (typ)

■

The DS90CP22 accepts LVDS signal levels, LVPECL levels

directly or PECL with attenuation networks.

Fast propagation delay of 1.3ns (typ)

Receiver input threshold < ±100 mV

The individual LVDS outputs can be put into TRI-STATE by

use of the enable pins.

Available in 16 lead TSSOP and SOIC packages

Conforms to ANSI/TIA/EIA-644-1995 LVDS standard

Operating Temperature: −40°C to +85°C

For more details, please refer to the Application Information

section of this datasheet.

Connection Diagrams

10105305

Order Number DS90CP22M-8 (SOIC)

Order Number DS90CP22MT (TSSOP)

10105310

Diff. Output Eye-Pattern in 1:2 split mode @ 800 Mbps

Conditions: 3.3 V, PRBS = 2²³−1 data pattern,

V_ID= 300mV, V_CM= +1.2 V, 200 ps/div, 100 mV/div

101053

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