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FIN1047 3.3V LVDS 4-Bit Flow-Through High Speed Differential Driver
June 2001 Revised August 2003
FIN1047 3.3V LVDS 4-Bit Flow-Through High Speed Differential Driver
General Description
This quad driver is designed for high speed interconnects utilizing Low Voltage Differential Signaling (LVDS) technology. The driver translates LVTTL signal levels to LVDS levels with a typical differential output swing of 350mV which provides low EMI at ultra low power dissipation even at high frequencies. This device is ideal for high speed transfer of clock and data. The FIN1047 can be paired with its companion receiver, the FIN1048, or any other LVDS receiver.
Features
s Greater than 400Mbs data rate s Flow-through pinout simplifies PCB layout s 3.3V power supply operation s 0.4 ns maximum differential pulse skew s 1.7 ns maximum propagation delay s Low power dissipation s Power-Off protection s Meets or exceeds the TIA/EIA-644 LVDS standard s Pin compatible with equivalent RS-422 and LVPECL devices s 16-Lead SOIC and TSSOP packages save space
Ordering Code:
Order Number FIN1047M FIN1047MTC Package Number M16A MTC16 Package Description 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter "X" to the ordering code.
Connection Diagram
Pin Descriptions
Pin Name DIN1, DIN2, DIN3, DIN4 Description LVTTL Data Inputs
DOUT1+, DOUT2+, DOUT3+, DOUT4+ Non-Inverting Driver Outputs DOUT1-, DOUT2-, DOUT3-, DOUT4- Inverting Driver Outputs EN EN VCC GND Driver Enable Pin Inverting Driver Enable Pin Power Supply Ground
Truth Table
Inputs EN H H H X L or OPEN
H = HIGH Logic Level X = Don't Care
Outputs DIN H L OPEN X X DOUT+ H L L Z Z DOUT- L H H Z Z
EN L or OPEN L or OPEN L or OPEN H X
L = LOW Logic Level Z = High Impedance
(c) 2003 Fairchild Semiconductor Corporation
DS500589
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FIN1047
Absolute Maximum Ratings(Note 1)
Supply Voltage (VCC) DC Input Voltage (VIN) DC Input Voltage (VOUT) Driver Short Circuit Current (IOSD) Storage Temperature Range (TSTG) Max Junction Temperature (TJ) Lead Temperature (TL) (Soldering, 10 seconds) ESD (Human Body Model) ESD (Machine Model)
-0.5V to +4.6V -0.5V to +6V -0.5V to 4.6V
Continuous
Recommended Operating Conditions
Supply Voltage (VCC) Input Voltage (VIN) Operating Temperature (TA) 3.0V to 3.6V 0 to VCC
-40C to +85C
-65C to +150C
150C 260C
9000V 1200V
Note 1: The "Absolute Maximum Ratings": are those values beyond which damage to the device may occur. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature and output/input loading variables. Fairchild does not recommend operation of circuits outside databook specification.
DC Electrical Characteristics
Over supply voltage and operating temperature ranges, unless otherwise specified
Symbol VOD VOD VOS VOS VOH VOL IOFF IOS VIH VIL IIN IOZ II(OFF) VIK ICC Parameter Output Differential Voltage VOD Magnitude Change from Differential LOW-to-HIGH Offset Voltage Offset Magnitude Change from Differential LOW-to-HIGH HIGH Output Voltage LOW Output Voltage Power Off Output Current Short Circuit Output Current Input HIGH Voltage Input LOW Voltage (Note 3) Input Current Disabled Output Leakage Current Power-Off Input Current Input Clamp Voltage Power Supply Current VIN = 0V or VCC VOUT = 0V or 4.6V VCC = 0V, VIN = 0V or 3.6V IIK = -18 mA No Load, VIN = 0V or VCC, Driver Enabled RL = 100 , Driver Disabled RL = 100 , VIN = 0V or VCC, Driver Enabled IPU/PD Output Power Up/Power Down High Z Leakage Current VCC = 0V or 1.5V -20 VIN = VCC VIN = 0V VCC = 0V, VOUT = 0V or 3.6V VOUT = 0V, Driver Enabled VOD = 0V, Driver Enabled 2.0 GND -20 -20 -20 -1.5 -0.7 5 1.7 16 8 4 22 20 A mA 0.9 -20 -3 -3.5 RL = 100, Driver Enabled, See Figure 1 1.125 Test Conditions Min 250 Typ (Note 2) 340 1.4 1.25 1.2 1.4 1.05 20 -6 -6 VCC + 1.0 0.8 20 20 20 450 25 1.375 25 1.6 Max Units mV mV V mV V V A mA V V A A A V
Note 2: All typical values are at TA = 25C and with VCC = 3.3V. Note 3: For transient conditions when t 5ns and IIN -100 mA, VILmin = -1.0V.
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FIN1047
AC Electrical Characteristics
Over supply voltage and operating temperature ranges, unless otherwise specified
Symbol tPLHD tPHLD tTLHD tTHLD tSK(P) tSK(LH) tSK(HL) tSK(PP) fMAX tZHD tZLD tHZD tLZD CIN COUT Parameter Differential Propagation Delay LOW-to-HIGH Differential Propagation Delay HIGH-to-LOW Differential Output Rise Time (20% to 80%) Differential Output Fall Time (80% to 20%) Pulse Skew |tPLH - tPHL| Channel-to-Channel Skew (Note 5) Part-to-Part Skew (Note 6) Maximum Frequency (Note 7) Differential Output Enable Time from Z to HIGH Differential Output Enable Time from Z to LOW RL = 100, CL = 10 pF, Differential Output Disable Time from HIGH to Z See Figure 4 (Note 8), and Figure 5 Differential Output Disable Time from LOW to Z Input Capacitance Output Capacitance RL = 100, See Figure 6 (Note 8) 200 250 1.7 1.7 2.7 2.7 4.2 5.2 5.0 5.0 5.0 5.0 0.05 RL = 100 , CL = 10 pF, See Figure 2 (Note 8), and Figure 3 Test Conditions Min Typ (Note 4) 0.6 0.6 0.4 0.4 1.1 1.2 1.7 1.7 1.2 1.2 0.4 0.3 1.0 Max Units ns ns ns ns ns ns ns MHz ns ns ns ns pF pF
Note 4: All typical values are at TA = 25C and with VCC = 3.3V. Note 5: tSK(LH), tSK(HL) is the skew between specified outputs of a single device when the outputs have identical loads and are switching in the same direction. Note 6: tSK(PP) is the magnitude of the difference in propagation delay times between any specified terminals of two devices switching in the same direction (either LOW-to-HIGH or HIGH-to-LOW) when both devices operate with the same supply voltage, same temperature, and have identical test circuits. Note 7: fMAX criteria: Input tR = tF < 1ns, 0V to 3V, 50% Duty Cycle; Output VOD > 250 mv, 45% to 55% Duty Cycle; all switching in phase channels. Note 8: Test Circuits in Figures 2, 4, 6 are simplified representations of test fixture and DUT loading.
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FIN1047
Note A: All input pulses have frequency = 10 MHz, tR or tF = 1 ns Note B: C L includes all fixture and instrumentation capacitance
FIGURE 1. Differential Driver DC Test Circuit
FIGURE 2. Differential Driver Propagation Delay and Transition Time Test Circuit
Note B: All input pulses have the frequency = 10 MHz, tR or tF = 1 ns Note A: C L includes all fixture and instrumentation capacitance
FIGURE 3. AC Waveforms
FIGURE 4. Differential Driver Enable and Disable Test Circuit
FIGURE 5. Enable and Disable AC Waveforms
FIGURE 6. fMAX Test Circuit
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FIN1047
DC / AC Typical Performance Curves
FIGURE 7. Output High Voltage vs. Power Supply Voltage
FIGURE 8. Output Low Voltage vs. Power Supply Voltage
FIGURE 9. Output Short Circuit Current vs. Power Supply Voltage
FIGURE 10. Differential Output Voltage vs. Power Supply Voltage
FIGURE 11. Differential Output Voltage vs. Load Resistor
FIGURE 12. Offset Voltage vs. Power Supply Voltage
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FIN1047
DC / AC Typical Performance Curves
(Continued)
FIGURE 13. Power Supply Current vs. Frequency
FIGURE 14. Power Supply Current vs. Power Supply Voltage
FIGURE 15. Power Supply Current vs. Ambient Temperature
FIGURE 16. Differential Propagation Delay vs. Power Supply Voltage
FIGURE 17. Differential Propagation Delay vs. Ambient Temperature
FIGURE 18. Differential Pulse Skew (tPLH - tPHL) vs. Power Supply Voltage
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FIN1047
DC / AC Typical Performance Curves
(Continued)
FIGURE 19. Differential Pulse Skew (tPLH - tPHL) vs. Ambient Temperature
FIGURE 20. Transition Time vs. Power Supply Voltage
FIGURE 21. Transition Time vs. Ambient Temperature
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FIN1047
Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Package Number M16A
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FIN1047 3.3V LVDS 4-Bit Flow-Through High Speed Differential Driver
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC16
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 9 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com
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