DS90LV804TSQ/NOPB National Semiconductor, DS90LV804TSQ/NOPB Datasheet

IC BUFF REPEATER LVDS 4CH 32LLP

DS90LV804TSQ/NOPB

Manufacturer Part Number
DS90LV804TSQ/NOPB
Description
IC BUFF REPEATER LVDS 4CH 32LLP
Manufacturer
National Semiconductor
Type
Bufferr
Datasheet

Specifications of DS90LV804TSQ/NOPB

Tx/rx Type
LVDS
Delay Time
3.2ns
Capacitance - Input
3.5pF
Voltage - Supply
3.15 V ~ 3.45 V
Current - Supply
140mA
Mounting Type
Surface Mount
Package / Case
32-LLP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
DS90LV804TSQ
DS90LV804TSQTR

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© 2009 National Semiconductor Corporation
4-Channel 800 Mbps LVDS Buffer/Repeater
General Description
The DS90LV804 is a four channel 800 Mbps LVDS buffer/
repeater. In many large systems, signals are distributed
across cables and signal integrity is highly dependent on the
data rate, cable type, length, and the termination scheme. In
order to maximize signal integrity, the DS90LV804 features
both an internal input and output (source) termination to elim-
inate these extra components from the board, and to also
place the terminations as close as possible to receiver inputs
and driver output. This is especially significant when driving
longer cables.
The DS90LV804, available in the LLP (Leadless Leadframe
Package) package, minimizes the footprint, and improves
system performance.
An output enable pin is provided, which allows the user to
place the LVDS outputs and internal biasing generators in a
TRI-STATE
The differential inputs interface to LVDS, and Bus LVDS sig-
nals such as those on National's 10-, 16-, and 18- bit Bus
LVDS SerDes, as well as CML and LVPECL. The differential
inputs are internally terminated with a 100Ω resistor to im-
prove performance and minimize board space. This function
function is especially useful for boosting signals over lossy
cables or point-to-point backplane configurations.
Typical Application
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
®
, low power mode.
201567
DS90LV804
Features
800 Mbps data rate per channel
Low output skew and jitter
LVDS/CML/LVPECL compatible input, LVDS output
On-chip 100Ω input and output termination
12 kV ESD protection on LVDS Outputs
Single 3.3V supply
Very low power consumption
Industrial -40 to +85°C temperature range
Small LLP Package Footprint
20156720
March 6, 2009
www.national.com

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DS90LV804TSQ/NOPB Summary of contents

Page 1

... This function function is especially useful for boosting signals over lossy cables or point-to-point backplane configurations. Typical Application TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2009 National Semiconductor Corporation DS90LV804 Features ■ 800 Mbps data rate per channel ■ ...

Page 2

Block and Connection Diagrams www.national.com 20156701 DS90LV804 Block Diagram     20156702 DS90LV804 LLP Pinout (Top View) 2 ...

Page 3

Pin Descriptions Pin LLP Pin I/O, Type Name Number DIFFERENTIAL INPUTS IN0+ 9 IN0− 10 IN1+ 11 IN1− 12 IN2+ 13 IN2− 14 IN3+ 15 IN3− 16 DIFFERENTIAL OUTPUTS OUT0 LVDS Channel 0 inverting and non-inverting differential outputs. ...

Page 4

Absolute Maximum Ratings Supply Voltage ( CMOS Input Voltage (EN) LVDS Input Voltage (Note 4) LVDS Output Voltage LVDS Output Short Circuit Current Junction Temperature Storage Temperature Lead Temperature (Solder, 4sec) Max Pkg Power Capacity @ 25°C Thermal ...

Page 5

Symbol Parameter LVDS OUTPUT DC SPECIFICATIONS (OUTn±) V Differential Output Voltage (Note OD 6) ΔV Change in V between OD OD Complementary States V Offset Voltage (Note 7) OS ΔV Change in V between OS OS Complementary States I Output ...

Page 6

Feature Descriptions INTERNAL TERMINATIONS The DS90LV804 has integrated termination resistors on both the input and outputs. The inputs have a 100Ω resistor across the differential pair, placing the receiver termination as close as possible to the input stage of the ...

Page 7

INPUT INTERFACING The DS90LV804 accepts differential signals and allow simple coupling. With a wide common mode range, the DS90LV804 can be DC-coupled with all common differential Typical LVDS Driver DC-Coupled Interface to DS90LV804 Input Typical CML Driver ...

Page 8

OUTPUT INTERFACING The DS90LV804 outputs signals that are compliant to the LVDS standard. Their outputs can be DC-coupled to most common differential receivers. The following figure illustrates typical DC-coupled interface to common differential receivers Typical DS90LV804 Output DC-Coupled Interface to ...

Page 9

Physical Dimensions inches (millimeters) unless otherwise noted Order Number DS90LV804TSQ (1000 piece Tape and Reel) 32-LLP, Plastic, Quad DS90LV804TSQX (4500 piece Tape and Reel) NS Package Number SQA32A 9 www.national.com ...

Page 10

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

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