DS90C031 DS90C031 LVDS Quad CMOS Differential Line Driver Literature Number: SNLS095A
DS90C031 LVDS Quad CMOS Differential Line Driver General Description Features The DS90C031 is a quad CMOS differential line driver designed for applications requiring ultra low power dissipation and high data rates. The device is designed to support data rates in excess of 155.5 Mbps (77.7 MHz) utilizing Low Voltage Differential Signaling (LVDS) technology. The DS90C031 accepts TTL/CMOS input levels and translates them to low voltage (350 mV) differential output signals.
DS90C031 Functional Diagram DS011946-2 DRIVER Enables Input Outputs EN EN* DIN DOUT+ L H X Z Z All other combinations L L H of ENABLE inputs H H L www.national.
Maximum Junction Temperature (DS90C031T) Maximum Junction Temperature (DS90C031E) ESD Rating (Note 7) (HBM, 1.5 kΩ, 100 pF) (EIAJ, 0 Ω, 200 pF) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (VCC) −0.3V to +6V −0.3V to (VCC + 0.3V) Input Voltage (DIN) Enable Input Voltage (EN, EN*) −0.3V to (VCC + 0.3V) −0.3V to (VCC + 0.
DS90C031 Switching Characteristics (Continued) VCC = +5.0V, TA = +25˚C DS90C031T. (Notes 3, 4, 6, 9) Typ Max Units tTLH Symbol Rise Time Parameter Conditions Min 0.35 1.5 ns tTHL Fall Time 0.35 1.5 ns tPHZ Disable Time High to Z tPLZ Disable Time Low to Z tPZH Enable Time Z to High tPZL Enable Time Z to Low RL = 100Ω, CL = 5 pF (Figure 4 and Figure 5) 2.5 10 ns 2.5 10 ns 2.5 10 ns 2.5 10 ns Switching Characteristics VCC = +5.0V ± 10%, TA = −40˚C to +85˚C DS90C031T.
DS90C031 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 DS011946-6 FIGURE 4. Driver TRI-STATE Delay Test Circuit 5 www.national.
DS90C031 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 the signal and to complete the loop as shown in Figure 6. AC or unterminated configurations are not allowed. The 3.
DS90C031 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 Descriptions Pin No. Name Pin No.
DS90C031 Typical Performance Characteristics Power Supply Current vs Power Supply Voltage Power Supply Current vs Temperature DS011946-10 Power Supply Current vs Power Supply Voltage DS011946-11 Power Supply Current vs Temperature DS011946-12 Output TRI-STATE Current vs Power Supply Voltage DS011946-13 Output Short Circuit Current vs Power Supply Voltage DS011946-14 www.national.
(Continued) Differential Output Voltage vs Power Supply Voltage Differential Output Voltage vs Ambient Temperature DS011946-16 Output Voltage High vs Power Supply Voltage DS90C031 Typical Performance Characteristics DS011946-17 Output Voltage High vs Ambient Temperature DS011946-18 Output Voltage Low vs Power Supply Voltage DS011946-19 Output Voltage Low vs Ambient Temperature DS011946-20 DS011946-21 9 www.national.
DS90C031 Typical Performance Characteristics (Continued) Offset Voltage vs Power Supply Voltage Offset Voltage vs Ambient Temperature DS011946-22 Power Supply Current vs Frequency DS011946-23 Power Supply Current vs Frequency DS011946-24 Differential Output Voltage vs Load Resistor DS011946-25 Differential Propagation Delay vs Power Supply Voltage DS011946-26 DS011946-27 www.national.
(Continued) Differential Propagation Delay vs Ambient Temperature Differential Skew vs Power Supply Voltage DS90C031 Typical Performance Characteristics DS011946-29 DS011946-28 Differential Skew vs Ambient Temperature Differential Transition Time vs Power Supply Voltage DS011946-30 DS011946-31 Differential Transition Time vs Ambient Temperature DS011946-32 11 www.national.
DS90C031 Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Ceramic Leadless Chip Carrier, Type C Order Number DS90C031E-QML NS Package Number E20A 16-Lead (0.150" Wide) Molded Small Outline Package, JEDEC Order Number DS90C031TM NS Package Number M16A www.national.
DS90C031 LVDS Quad CMOS Differential Line Driver Notes LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1.
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