# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

National DS90C031 Data Sheet

Summary

This professional line driver is a quad CMOS component engineered for ultra low-power differential signal transmission up to 155.5 Mbps. Ideal for engineers developing high-speed, reliable point-to-point data interfaces that require compliance with the standard ANSI/TIA/EIA-644 LVDS protocol and minimal power draw. The technical manual provides comprehensive details on electrical specifications, switching characteristics, absolute maximum ratings, and operational guidelines necessary for successful implementation in complex electronic systems.

📄 Preview PAGE OF 14

Page 1 Text Content

90C LV uad ifferential Line river

DS90C031 LVDS Quad CMOS Differential Line Driver General Description Features

The DS90C031 is quad CMOS differential line driver de- >155.5 Mbps (77.7 MHz) switching rates signed for applications requiring ultra low power dissipation ±350 m V differential signaling

and high data rates. The device is designed to support data Ultra low power dissipation rates in excess of 155.5 Mbps (77.7 MHz) utilizing Low Volt- ps maximum differential skew (5V, 25˚C) age Differential Signaling (LVDS) technology.

3.5 ns maximum propagation delay

The DS90C031 accepts TTL/CMOS input levels and trans- Industrial operating temperature range lates them to low voltage (350 m V) differential output sig-

Military operating temperature range option

nals. In addition the driver supports TRI-STATE® function

Available in surface mount packaging (SOIC) and (LCC)

that may be used to disable the output stage, disabling the

Pin compatible with DS26C31, MB571 (PECL) and

load current, and thus dropping the device to an ultra low idle

41LG (PECL)

power state of m W typical.

Compatible with IEEE 1596.3 SCI LVDS standard

The DS90C031 and companion line receiver (DS90C032)

Conforms to ANSI/TIA/EIA-644 LVDS standard

provide new alternative to high power psuedo-ECL devices

Available to Standard Microcircuit Drawing (SMD)

for high speed point-to-point interface applications.

Connection Diagrams

Dual-In-Line LCC Package

DS011946-1

Order Number DS90C031TM See NS Package Number M16A

DS011946-33

Order Number DS90C031E-QML See NS Package Number E20A For Complete Military Specifications, refer to appropriate SMD or MDS.

TRI-STATE® is registered trademark of National Semiconductor Corporation.

National Semiconductor Corporation DS011946 www.national.com

Page Summary Contents For National DS90C031 Data Sheet

Page 1 90C LV uad ifferential Line river DS90C031 LVDS Quad CMOS Differential Line Driver General Description Features The DS90C031 is quad CMOS differential line driver de- >155.5 Mbps (77.7 MHz) switchi...
Page 2 Functional Diagram DS011946-2 Truth Table DRIVER Enables Input Outputs EN EN* DIN DOUT+ DOUT− All other combinations of ENABLE inputs www.national.com
Page 3 Absolute Maximum Ratings (Note 1) Maximum Junction Temperature (DS90C031T) +150˚C If Military/Aerospace specified devices are required, Maximum Junction Temperature please contact the National Semicon...
Page 4 Switching Characteristics (Continued) VCC +5.0V, TA +25˚C DS90C031T. (Notes 3, 4, 6, 9) Symbol Parameter Conditions Min Typ Max Units t TLH Rise Time 0.35 1.5 ns t THL Fall Time 0.35 1.5 ns t PHZ Disa...
Page 5 Parameter Measurement Information (Continued) DS011946-4 FIGURE 2. Driver Propagation Delay and Transition Time Test Circuit DS011946-5 FIGURE 3. Driver Propagation Delay and Transition Time Waveforms...
Page 6 Parameter Measurement Information (Continued) DS011946-7 FIGURE 5. Driver TRI-STATE Delay Waveform Typical Application DS011946-8 FIGURE 6. Point-to-Point Application nation be employed to terminate t...
Page 7 Applications Information (Continued) The footprint of the DS90C031 is the same as the industry standard 26LS31 Quad Differential (RS-422) Driver. DS011946-9 FIGURE 7. Driver Output Levels Pin Descript...
Page 8 Typical Performance Characteristics Power Supply Current Power Supply Current vs Power Supply Voltage vs Temperature DS011946-10 DS011946-11 Power Supply Current Power Supply Current vs Power Supply V...
Page 9 Typical Performance Characteristics (Continued) Differential Output Voltage Differential Output Voltage vs Power Supply Voltage vs Ambient Temperature DS011946-16 DS011946-17 Output Voltage High vs Ou...
Page 10 Typical Performance Characteristics (Continued) Offset Voltage vs Offset Voltage vs Power Supply Voltage Ambient Temperature DS011946-22 DS011946-23 Power Supply Current Power Supply Current vs Freque...
Page 11 Typical Performance Characteristics (Continued) Differential Propagation Delay Differential Skew vs vs Ambient Temperature Power Supply Voltage DS011946-29 DS011946-28 Differential Skew vs Differentia...
Page 13 Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Ceramic Leadless Chip Carrier, Type Order Number DS90C031E-QML NS Package Number E20A 16-Lead (0.150" Wide) Molded Small Ou...
Page 14 LV ua iff er en tia l L in ri ve LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE- VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF ...

Manual Details

Brand National
Pages 14
File Size 272.68 KB
Published May 30, 2026
67 views

Enter the captcha to get the download link:

captcha

Frequently Asked Questions

What is the operating temperature range?

The industrial operating temperature range is -40°C to +85°C (for model DS90C031T), while the military version operates from -55°C to +125°C.

Does this device support multiple data standards?

Yes, it accepts TTL/CMOS input levels and is compatible with IEEE 1596.3 SCI LVDS standard.

How low can the output power consumption be when idle?

It can drop to an ultra-low idle power state of 11 mW typical when using the TRI-STATE function.

What are the input and output voltage limits?

The recommended operating supply voltage is +4.5V to +5.5V, with differential output voltage ranges from 345mV to 450mV at R=100Ω.