FSAV331 Dual 4:1 Wide Bandwidth Video SwitchApril 2004Revised May 2004
FSAV331
Dual 4:1 Wide Bandwidth Video Switch
General Description
The Fairchild video switch FSAV331 is a dual 4:1 highspeed video switch which can be configured as either mul-tiplexer or demultiplexer. Low On Resistance allows inputsto be connected to outputs without adding propagationdelay or generating additional ground bounce noise. When the OE Pin is LOW, S0 and S1 connect the A Port tothe selected B Port output. When the OE Pin is HIGH, theswitch is OPEN and a HIGH-Impedance state existsbetween the two ports.
Features
sWide bandwidth: 300 MHz
s−73 dB non adjacent channel crosstalk at 10MHzs−56 dB Off Isolation at 10MHzs3Ω typical On Resistance (RON)sLow power consumption (3uA maximum)sControl input: TTL compatible
Applications
•Y/C video or CVBS video switch in LCD, plasma, andprojector displays
Ordering Code:
Order NumberFSAV331QSCFSAV331MTCPackage NumberMQA16MTC16Package Description16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150\" Wide16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm WideDevice also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic DiagramConnection Diagram
Truth Table
Pin Descriptions
Pin NameOE1, OE2S0, S1AB1, B2, B3, B4
DescriptionBus Switch Enables
Select Inputs
BusABus B
S1XXLLHH
S0XXLHLH
OE1HXLLLL
OE2XHLLLL
FunctionDisconnect 1ADisconnect 2A
A = B1A = B2A = B3A = B4
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FSAV331Absolute Maximum Ratings(Note 1)
Supply Voltage (VCC)DC Switch Voltage (Note 2)DC Input Voltage (VIN) (Note 2)DC Input Diode CurrentDC Output Current
Storage Temperature Range (TSTG)ESD (Human Body Model)
−0.5V to +7.0V−0.5V to VCC + 0.5V
−0.5V to +7.0V
−50 mA128 mA
Recommended OperatingConditions (Note 3)
Supply Voltage (VCC)Control Input VoltageSwitch Input VoltageOperating TemperatureThermal Resistance(TSSOP)(QSOP)
100°C/W127°C/W4.75V to 5.25V
0V to VCC0V to VCC
−40°C to +85°C
−65°C to +150 °C
2000V
Note 1: The Absolute Maximum Ratings are those values beyond whichthe safety of the device cannot be guaranteed. The device should not beoperated at these limits. The parametric values defined in the ElectricalCharacteristics tables are not guaranteed at the absolute maximum rating.The Recommended Operating Conditions tables will define the conditionsfor actual device operation.
Note 2: The input and output negative voltage ratings may be exceeded ifthe input and output diode current ratings are observed.
Note 3: Unused control inputs must be held HIGH or LOW. They may notfloat.
DC Electrical Characteristics All typical value are for VCC = 5V @ 25°C unless otherwise specified.
SymbolVANALOGVIKVIHVILIINIOZRONICC
Parameter
Analog Signal RangeClamp Diode VoltageInput Voltage HIGHInput Voltage LOWControl Input LeakageOFF-STATE Leakage CurrentSwitch On Resistance(Note 4)
Quiescent Supply Current
VCC(V)4.75 - 5.254.754.75 - 5.254.75 - 5.255.255.254.754.755.25
3.35.0
2.0
0.8±1.0±1.07.010.03.0
TA = −40 °C to +85 °CMin0
Typ
Max2.0−1.2
UnitsVVVVµAµAΩΩµA
VIN = 0V to VCC0 ≤ A, B ≤ VCC
VIN = 1V, RL = 75Ω, ION = 13 mAVIN = 2V, RL = 75Ω, ION = 26 mAVIN = 0V or VCC, IOUT = 0VIIN = −18 mA
Conditions
Note 4: Measured by the voltage drop between A and B Pins at the indicated current through the switch. On Resistance is determined by the lower of the voltages on the two (A or B Ports).
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FSAV331AC Electrical Characteristics
SymboltONtOFFtPLH,tPHLDGDPOIRRXTALKBW
Parameter
Turn ON Time S-to-Bus BTurn OFF Time S-to-Bus BPropagation Delay (Note 5)Select-to-Bus A DelayDifferential GainDifferential Phase
Non Adjacent OFF-IsolationNon Adjacent Channel Crosstalk−3dB Bandwidth
VCC(V)4.75 to 5.254.75 to 5.254.75 to 5.254.75 to 5.254.75 to 5.254.75 to 5.254.75 to 5.254.75 to 5.254.75 to 5.25
0.260.23−56.0−73.0300
TA = −40 °C to +85 °CMin1.01.01.01.0
Typ
Max5.35.35.85.50.15.0
Unitsnsnsns%dBdBMHz
Conditions
VI = 7V for tPZL and VI = OPEN for tPZHVI = 7V for tPLZ and VI = OPEN for tPHZVI OPEN
RL = 150Ω, f = 3.58MHzf = 10MHz, RL = 150ΩRL = 150Ω, f = 10MHzRL = 150Ω
Figure 3Figure 4Figure 5FigureNumberFigures 1, 2Figures 1, 2Figures 1, 2
Output Enable Time OE-to-A or B4.75 to 5.25Output Disable Time OE-to-A or B4.75 to 5.25
DegreeRL = 150Ω, f = 3.58MHz
Note 5: This specification is guaranteed by design.
Capacitance
SymbolCINCONCOFF
Parameter
Control Pin Input CapacitanceA/B On CapacitancePort B OFF CapacitancePort A OFF Capacitance
TA = −40 °C to +85 °C
Typ3.039.05.013.0
UnitspFpFpFpF
VCC = 5.0VVCC = 5.0, OE = 0VVCC and OE = 5.0V
Conditions
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FSAV331AC Loading and Waveforms
Note: Input driven by 50 Ω source terminated in 50 ΩNote: CL includes load and stray capacitanceNote: Input PRR = 1.0 MHz, tW = 500 ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
FIGURE 3. OFF Isolation TestFIGURE 4. Crosstalk Test
FIGURE 5. Bandwidth Test
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FSAV331Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150\" Wide
Package Number MQA16
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FSAV331 Dual 4:1 Wide Bandwidth Video SwitchPhysical Dimensions inches (millimeters) unless otherwise noted (Continued)
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Package Number MTC16
Technology Description
The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its74LVX3L384 (FST3384) bus switch product.
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied andFairchild 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 SUPPORTDEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILDSEMICONDUCTOR CORPORATION. As used herein:1.Life support devices or systems are devices or systemswhich, (a) are intended for surgical implant into thebody, or (b) support or sustain life, and (c) whose failureto perform when properly used in accordance withinstructions for use provided in the labeling, can be rea-sonably expected to result in a significant injury to theuser.www.fairchildsemi.com
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2.A critical component in any component of a life supportdevice or system whose failure to perform can be rea-sonably expected to cause the failure of the life supportdevice or system, or to affect its safety or effectiveness.
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