Datasheet > 驱动程序和接口 > 线路驱动器或接收器> PI90LV044L

PI90LV044L

更新时间： 2024-01-03 03:43:20

品牌	Logo	应用领域
百利通 - PERICOM		开关中继器
页数	文件大小	规格书
12页	437K
描述
LVDS Dual 2x2 Crosspoint/Repeater Switch

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中文翻译

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数据手册

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PI90LV044L 数据手册

PI90LV044, PI90LVB044

LVDS Dual 2x2 Crosspoint/Repeater Switch

Description

Features

• Dual 2x2 Crosspoint/Repeater Switch

The PI90LV044 and PI90LVB044 are monolithic dual 2x2 asyn-

chronous crosspoint/repeater switches. The crosspoint function

is based on a multiplexer tree architecture. Each 2x2 switch can

be considered as a pair of 2:1 multiplexers that share the same

inputs. The signal path through each switch is fully differential

with minimal propagation delay. The signal path is unregistered,

so no clock is required for the data inputs. The signal line drivers

and receivers use Low Voltage Differential Signaling (LVDS) to

achieve signaling rates as high as 650Mbps.

• Meets or Exceeds the Requirements of

ANSI TIA/EIA-644-1995

• Designed for Signaling Rates up to 650 Mbit/s (325Mhz)

• Operates from a single 3.3V Supply: –40°C to 85°C

• Low-Voltage Differential Signaling with Output Voltages of

±350mV into:

- 100Ω load (PI90LV044)

The LVDS standard provides a minimum differential output volt-

age magnitude of 247 mV into a 100Ω load and receipt of 100

mV signals with up to 1V of ground potential difference between a

transmitterandreceiver.ThePI90LVB044doublestheoutputdrive

current to achieve LVDS levels with a 50 ohm load.

- 50Ω load Bus LVDS Signaling (PI90LVB044)

• Accepts ±350mV differential inputs

• Wide common mode input range: 0.2V to 2.7V

• Output drivers are high impedance when disabled or

when V ≤ 1.5V

The intended application of these devices is for loop-through and

redundant channel switching for both point-to-point baseband

(PI90LV044) and multipoint (PI90LVB044) data transmissions

over controlled impedance media.

• Inputs are open, short, and terminated fail safe

• Propagation Delay Time: 3.5ns

• ESD protection is 10kV on bus pins

• Bus Pins are High Impedance when disabled or

with V less than 1.5V

• TTL Inputs are 5V Tolerant

• Power Dissipation at 400 Mbit/s of 250mW

• Packaging (Pb-free & Green available):

- 28-pin QSOP (Q)

Pin Conﬁguration

- 28-pin TSSOP (L)

Block Diagram

S0,S1

1A/1B

1DE/2DE

1Y/1Z

1DE

2DE

GND

2A/2B

3A/3B

2Y/2Z

3Y/3Z

3DE

4DE

4A/4B

S2/S3

4Y/4Z

GND

3DE/4DE

PS8485D

09/22/04

12 3 4 5 6 7...12

中文翻译

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与PI90LV044L相关器件

型号	品牌	获取价格	描述	数据表
PI90LV044LE	PERICOM	获取价格	LVDS Dual 2x2 Crosspoint/Repeater Switch
PI90LV044Q	PERICOM	获取价格	LVDS Dual 2x2 Crosspoint/Repeater Switch
PI90LV044QE	PERICOM	获取价格	LVDS Dual 2x2 Crosspoint/Repeater Switch
PI90LV047A	PERICOM	获取价格	3V LVDS Quad Flow-Through Differential Line Drivers
PI90LV047AL	PERICOM	获取价格	3V LVDS Quad Flow-Through Differential Line Drivers
PI90LV047ALE	PERICOM	获取价格	3V LVDS Quad Flow-Through Differential Line Drivers
PI90LV047ALE	DIODES	获取价格	Line Driver, 4 Func, 4 Driver, PDSO16, GREEN, TSSOP-16
PI90LV047ALEX	DIODES	获取价格	Line Driver/Receiver, 4 Driver, PDSO16,
PI90LV047ALEX	PERICOM	获取价格	Line Driver/Receiver, 4 Driver, PDSO16,
PI90LV047ALX	PERICOM	获取价格	Line Driver/Receiver, 4 Driver, PDSO16

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