DS90LV017A LVDS Single High Speed Differential Driver General Description Features The DS90LV017A is a single LVDS driver device optimized for high data rate and low power applications. The DS90LV017A is a current mode driver allowing power dissipation to remain low even at high frequency. In addition, the short circuit fault current is also minimized. The device is designed to support data rates in excess of 600Mbps (300MHz) utilizing Low Voltage Differential Signaling (LVDS) technology. The device is in a 8-lead small outline package. The DS90LV017A has a flow-through design for easy PCB layout. The differential driver outputs provides low EMI with its typical low output swing of 355 mV. The DS90LV017A can be paired with its companion single line receiver, the DS90LV018A, or with any of National"s LVDS receivers, to provide a high-speed point-to-point LVDS interface. n n n n n n n n n n n n n > 600 Mbps (300 MHz) switching rates 0.3 ns typical differential skew 0.7 ns maximum differential skew 1.5 ns maximum propagation delay 3.3V power supply design ± 355 mV differential signaling Low power dissipation (23 mW @ 3.3V static) Flow-through design simplifies PCB layout Interoperable with existing 5V LVDS devices Power Off Protection (outputs in high impedance) Conforms to TIA/EIA-644 Standard 8-Lead SOIC package saves space Industrial temperature operating range (−40˚C to +85˚C) Connection Diagram Dual-In-Line 10010101 Order Number DS90LV017ATM See NS Package Number M08A Functional Diagram 10010102 TRI-STATE ® is a registered trademark of National Semiconductor Corporation. © 2005 National Semiconductor Corporation DS100101 www.national.com DS90LV017A LVDS Single High Speed Differential Driver August 2005 DS90LV017A Absolute Maximum Ratings (Note 1) ESD Ratings Supply Voltage (VCC) −0.3V to +4V Input Voltage (DI) −0.3V to +3.6V Output Voltage (DO ± ) −0.3V to +3.9V ≥ 1000V (CDM) ≥ 1000V Min Typ Max Supply Voltage (VCC) 3.0 3.3 3.6 V Temperature (TA) −40 25 +85 ˚C 9.5 mW/˚C above +25˚C Storage Temperature Range −65˚C to +150˚C Lead Temperature Range Soldering (4 sec.) ≥ 4kV Recommended Operating Conditions 1190 mW Derate M Package (EIAJ 0 Ω, 200 pF) (IEC direct 330 Ω, 150 pF) Maximum Package Power Dissipation @ +25˚C M Package ≥ 8kV (HBM 1.5 kΩ, 100 pF) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Units +260˚C Electrical Characteristics Over Supply Voltage and Operating Temperature ranges, unless otherwise specified. (Notes 2, 3, 7) Symbol Parameter Conditions Pin Min Typ Max Units DO+, DO− 250 355 450 mV 1 35 mV 1.4 1.6 DIFFERENTIAL DRIVER CHARACTERISTICS VOD Output Differential Voltage ∆VOD VOD Magnitude Change RL = 100Ω (Figure 1) VOH Output High Voltage VOL Output Low Voltage VOS Offset Voltage ∆VOS Offset Magnitude Change IOXD Power-off Leakage IOSD Output Short Circuit Current VIH Input High Voltage VIL Input Low Voltage IIH Input High Current VIN = 3.3V or 2.4V IIL Input Low Current VIN = GND or 0.5V VCL Input Clamp Voltage ICL = −18 mA ICC Power Supply Current No Load 0.9 1.1 1.125 1.2 0 V mV 3 25 ± 10 µA −5.7 −8 mA VCC V 2.0 GND 0.8 V ± 10 ± 10 µA 5 8 mA 7 10 mA Min Typ Max Units ns ±2 ±1 −1.5 VIN = VCC or GND 1.375 ±1 VOUT = VCC or GND, VCC = 0V DI V V µA −0.6 VCC RL = 100Ω V Switching Characteristics Over Supply Voltage and Operating Temperature Ranges, unless otherwise specified. (Notes 3, 4, 5, 6) Symbol Parameter Conditions DIFFERENTIAL DRIVER CHARACTERISTICS tPHLD Differential Propagation Delay High to Low RL = 100Ω, CL = 15 pF 0.3 0.8 1.5 tPLHD Differential Propagation Delay Low to High (Figure 2 and Figure 3) 0.3 1.1 1.5 ns tSKD1 Differential Pulse Skew |tPHLD − tPLHD| (Note 8) 0 0.3 0.7 ns tSKD3 Differential Part to Part Skew (Note 9) 0 1.0 ns tSKD4 Differential Part to Part Skew (Note 10) 0 1.2 ns tTLH Transition Low to High Time 0.2 0.5 1.0 ns tTHL Transition High to Low Time 0.2 0.5 1.0 fMAX Maximum Operating Frequency (Note 11) 350 ns MHz Note 1: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices should be operated at these limits. The table of “Electrical Characteristics” specifies conditions of device operation. Note 2: Current into device pins is defined as positive. Current out of device pins is defined as negative. All voltages are referenced to ground except VOD. Note 3: All typicals are given for: VCC = +3.3V and TA = +25˚C. Note 4: These parameters are guaranteed by design. The limits are based on statistical analysis of the device performance over PVT (process, voltage, temperature) ranges. Note 5: CL includes probe and fixture capacitance. www.national.com 2 (Continued) Note 6: Generator waveform for all tests unless otherwise specified: f = 1 MHz, ZO = 50Ω, tr ≤ 1 ns, tf ≤ 1 ns (10%-90%). Note 7: The DS90LV017A is a current mode device and only function with datasheet specification when a resistive load is applied to the drivers outputs. Note 8: tSKD1, |tPHLD − tPLHD|, is the magnitude difference in differential propagation delay time between the positive going edge and the negative going edge of the same channel. Note 9: tSKD3, Differential Part to Part Skew, is defined as the difference between the minimum and maximum specified differential propagation delays. This specification applies to devices at the same VCC and within 5˚C of each other within the operating temperature range. Note 10: tSKD4, part to part skew, is the differential channel to channel skew of any event between devices. This specification applies to devices over recommended operating temperature and voltage ranges, and across process distribution. tSKD4 is defined as |Max − Min| differential propagation delay. Note 11: fMAX generator input conditions: tr = tf < 1 ns (0% to 100%), 50% duty cycle, 0V to 3V. Output criteria: duty cycle = 45%/55%, VOD > 250mV. Parameter Measurement Information 10010103 FIGURE 1. Differential Driver DC Test Circuit 10010104 FIGURE 2. Differential Driver Propagation Delay and Transition Time Test Circuit 10010105 FIGURE 3. Differential Driver Propagation Delay and Transition Time Waveforms 3 www.national.com DS90LV017A Switching Characteristics DS90LV017A Application Information TABLE 1. Device Pin Descriptions Pin # Name Description 2 DI1 TTL/CMOS driver input pins 7 DO1+ Non-inverting driver output pin 8 DO1− Inverting driver output pin 4 GND Ground pin 1 VCC Positive power supply pin, +3.3V ± 0.3V 3, 5, 6 NC No connect Typical Performance Curves Output High Voltage vs Power Supply Voltage Output Low Voltage vs Power Supply Voltage 10010107 10010108 Output Short Circuit Current vs Power Supply Voltage Differential Output Voltage vs Power Supply Voltage 10010110 10010109 www.national.com 4 DS90LV017A Typical Performance Curves (Continued) Differential Output Voltage vs Load Resistor Offset Voltage vs Power Supply Voltage 10010111 10010112 Power Supply Current vs Frequency Power Supply Current vs Power Supply Voltage 10010114 10010113 5 www.national.com DS90LV017A Typical Performance Curves (Continued) Power Supply Current vs Ambient Temperature Differential Propagation Delay vs Power Supply Voltage 10010115 10010116 Differential Propagation Delay vs Ambient Temperature Differential Skew vs Power Supply Voltage 10010117 10010119 www.national.com 6 DS90LV017A Typical Performance Curves (Continued) Differential Skew vs Ambient Temperature Transition Time vs Power Supply Voltage 10010120 10010118 Transition Time vs Ambient Temperature 10010121 7 www.national.com DS90LV017A LVDS Single High Speed Differential Driver Physical Dimensions inches (millimeters) unless otherwise noted Order Number DS90LV017ATM NS Package Number M08A National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. 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