SN65LVDT122DR

更新时间： 2024-02-01 00:50:52

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描述
1.5-Gbps 2 x 2 LVDS CROSSPOINT SWITCH

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数据手册
替代型号

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SN65LVDT122DR 数据手册

SN65LVDS122

SN65LVDT122

www.ti.com

SLLS525B–MAY 2002–REVISED JUNE 2004

1.5-Gbps 2 × 2 LVDS CROSSPOINT SWITCH

FEATURES

•

DESCRIPTION

Designed for Signaling Rates ⁽¹⁾Up To

1.5 Gbps

The SN65LVDS122 and SN65LVDT122 are

crosspoint switches that use low voltage differential

signaling (LVDS) to achieve signaling rates as high

as 1.5 Gbps. They are pin-compatible speed up-

grades to the SN65LVDS22 and SN65LVDM22. The

internal signal paths maintain differential signaling for

high speeds and low signal skews. These devices

have a 0-V to 4-V common-mode input range that

accepts LVDS, LVPECL, or CML inputs. Two logic

pins (S0 and S1) set the internal configuration be-

tween the differential inputs and outputs. This allows

the flexibility to perform the following configurations:

2 x 2 crosspoint switch, 2:1 input multiplexer, 1:2

splitter or dual repeater/translator within a single

device. Additionally, SN65LVDT122 incorporates a

110-Ω termination resistor for those applications

where board space is a premium. Although these

devices are designed for 1.5 Gbps, some applications

at a 2-Gbps data rate can be supported depending on

loading and signal quality.

•

Total Jitter < 65 ps

Pin-Compatible With SN65LVDS22 and

SN65LVDM22

•

25 mV of Receiver Input Threshold Hysteresis

Over 0-V to 4-V Common-Mode Range

Inputs Electrically Compatible With CML,

LVPECL and LVDS Signal Levels

•

Propagation Delay Times, 900 ps Maximum

LVDT Integrates 110-Ω Terminating Resistor

Offered in SOIC and TSSOP

APPLICATIONS

•

10-G (OC-192) Optical Modules

622-MHz Central Office Clock Distribution

Wireless Basestations

Low Jitter Clock Repeater/Multiplexer

Protection Switching for Serial Backplanes

The intended application of this device is ideal for

loopback switching for diagnostic routines, fanout

buffering of clock/data distribution provide protection

in fault-tolerant systems, clock multiplexing in optical

modules, and for overall signal boosting over

extended distances.

(1) The signlaing rate of a line is the number of voltage

transitions that are made per second expressed in the units

bps (bits per second).

The SN65LVDS122 and SN65LVDT122 are

characterized for operation from –40°C to 85°C.

EYE PATTERNS OF OUTPUTS

OPERATING SIMULTANEOUSLY

FUNCTIONAL DIAGRAM

1DE

1.5 Gbps

− 1 PRBS

110 Ω

OUTPUT 1

= 3.3 V

= 200 mV, V = 1.2 V

MUX

Vertical Scale=200 mV/div

110 Ω

OUTPUT 2

2DE

Integrated Termination on SN65LVDT122 Only

Horizontal Scale= 200 ps/div

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.

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.

12 3 4 5 6 7...18

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SN65LVDT122DR 替代型号

型号	品牌	替代类型	描述	数据表
SN65LVDT122PWRG4	TI	完全替代	1.5-Gbps 2 x 2 LVDS CROSSPOINT SWITCH
SN65LVDS122D	TI	功能相似	1.5-Gbps 2 x 2 LVDS CROSSPOINT SWITCH
SN65LVDS122PW	TI	功能相似	1.5-Gbps 2 x 2 LVDS CROSSPOINT SWITCH

与SN65LVDT122DR相关器件

型号	品牌	获取价格	描述	数据表
SN65LVDT122DRG4	TI	获取价格	1.5-Gbps 2 x 2 LVDS CROSSPOINT SWITCH
SN65LVDT122PW	TI	获取价格	1.5-Gbps 2 x 2 LVDS CROSSPOINT SWITCH
SN65LVDT122PWG4	TI	获取价格	1.5-Gbps 2 x 2 LVDS CROSSPOINT SWITCH
SN65LVDT122PWR	TI	获取价格	1.5-Gbps 2 x 2 LVDS CROSSPOINT SWITCH
SN65LVDT122PWRG4	TI	获取价格	1.5-Gbps 2 x 2 LVDS CROSSPOINT SWITCH
SN65LVDT125	TI	获取价格	LVDS 4X4 CROSSPOINT SWITCH
SN65LVDT125A	TI	获取价格	4x4 1.5Gbps LVDS 交叉点开关
SN65LVDT125ADBT	TI	获取价格	LVDS 4x4 CROSSPOINT SWITCH
SN65LVDT125ADBTG4	TI	获取价格	LVDS 4x4 CROSSPOINT SWITCH
SN65LVDT125ADBTR	TI	获取价格	LVDS 4x4 CROSSPOINT SWITCH

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