Rainbow-electronics DS92LV010A Manuel d'utilisateur

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DS92LV010A
Bus LVDS 3.3/5.0V Single Transceiver
General Description
The DS92LV010A is one in a series of transceivers designed
specifically for the high speed, low power proprietary bus
backplane interfaces. The device operates from a single
3.3V or 5.0V power supply and includes one differential line
driver and one receiver. To minimize bus loading the driver
outputs and receiver inputs are internally connected. The
logic interface provides maximum flexibility as 4 separate
lines are provided (DIN, DE, RE, and ROUT). The device
also features flow through which allows easy PCB routing for
short stubs between the bus pins and the connector. The
driver has 10 mA drive capability, allowing it to drive heavily
loaded backplanes, with impedance as low as 27 Ohms.
The driver translates between TTL levels (single-ended) to
Low Voltage Differential Signaling levels. This allows for high
speed operation, while consuming minimal power with re-
duced EMI. In addition the differential signaling provides
common mode noise rejection of
±
1V.
The receiver threshold is
±
100mV over a
±
1V common
mode range and translates the low voltage differential levels
to standard (CMOS/TTL) levels.
Features
n Bus LVDS Signaling (BLVDS)
n Designed for Double Termination Applications
n Balanced Output Impedance
n Lite Bus Loading 5pF typical
n Glitch free power up/down (Driver disabled)
n 3.3V or 5.0V Operation
n
±
1V Common Mode Range
n
±
100mV Receiver Sensitivity
n High Signaling Rate Capability (above 100 Mbps)
n Low Power CMOS design
n Product offered in 8 lead SOIC package
n Industrial Temperature Range Operation
Connection Diagram
Block Diagram
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
DS100052-1
Order Number DS92LV010ATM
See NS Package Number M08A
DS100052-2
May 1998
DS92LV010A Bus LVDS 3.3/5.0V Single Transceiver
© 1998 National Semiconductor Corporation DS100052 www.national.com
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Résumé du contenu

Page 1 - DS92LV010A

DS92LV010ABus LVDS 3.3/5.0V Single TransceiverGeneral DescriptionThe DS92LV010A is one in a series of transceivers designedspecifically for the high s

Page 2 - Conditions

Physical Dimensions inches (millimeters) unless otherwise notedLIFE SUPPORT POLICYNATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENT

Page 3 - Figure 1

Absolute Maximum Ratings (Notes 1, 2)If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/Distr

Page 4

DC Electrical Characteristics (Notes 2, 3) (Continued)TA= −40˚C to +85˚C unless otherwise noted, VCC= 3.3V±0.3VSymbol Parameter Conditions Pin Min Typ

Page 5 - Figures 8, 9

AC Electrical Characteristics (Note 6)TA= −40˚C to +85˚C, VCC= 3.3V±0.3VSymbol Parameter Conditions Min Typ Max UnitsDIFFERENTIAL DRIVER TIMING REQUIR

Page 6 - (Continued)

AC Electrical Characteristics (Note 6) (Continued)TA= −40˚C to +85˚C, VCC= 5.0V±0.5VSymbol Parameter Conditions Min Typ Max UnitsDIFFERENTIAL RECEIVER

Page 7 - Application Information

Test Circuits and Timing Waveforms (Continued)DS100052-6FIGURE 4. Driver TRI-STATE Delay Test CircuitDS100052-7FIGURE 5. Driver TRI-STATE Delay Wavefo

Page 8

Test Circuits and Timing Waveforms (Continued)Typical Bus Application ConfigurationsApplication InformationThere are a few common practices which shou

Page 9

Application Information (Continued)•Bypass each BLVDS device and also use distributed bulkcapacitance. Surface mount capacitors placed close topower a

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