QUALITY SEMICONDUCTOR, INC. QuickSwitch® Products High-Speed, Pow

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QUALITY SEMICONDUCTOR, INC. QuickSwitch® Products High-Speed, Pow

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QS3L384, QS3L2384
QUALITY SEMICONDUCTOR, INC.
QuickSwitch® Products High-Speed, Power CMOS 10-Bit Switches
DESCRIPTION
QS3L384 QS3L2384
Enhanced channel with inherent diode bidirectional switches connect inputs outputs Zero propagation delay (QS3L384); zero ground bounce Undershoot clamp diodes switch control pins Ultra power with 0.2µA typical QS3L2384 version noise enables control five bits each QS3L384 available SOIC, QSOP TSSOP QS3L2384 available SOIC QSOP
QS3L384 QS3L2384 provide high-speed CMOS TTL-compatible switches. resistance QS3L384 allows inputs connected outputs without adding propagation delay without generating additional ground bounce noise. Enable (BE) signals turn switches enable signals provided, each upper lower five bits 10-bit buses. QS3L2384 adds internal series resistor with each switch reduce reflection noise high speed applications. When closed, switch acts source (series) termination driver connected
APPLICATIONS
Hot-swapping, hot-docking (Application Note AN-13) Voltage translation 3.3V; Application Note AN-11) Power conservation Capacitance reduction isolation isolation Clock gating
Figure Functional Block Diagram
MDSL-00036-06 DECEMBER 1998
QUALITY SEMICONDUCTOR, INC.
QS3L384, QS3L2384 Table Description
Name A0-A9 B0-B9 BEA, Function Switch Enable
Figure Configuration (All Pins View)
Table Function Table
B0-B4 Hi-Z A0-A4 Hi-Z A0-A4 B5-B9 Hi-Z Hi-Z A5-A9 A5-A9 Function Disconnect Connect Connect Connect
Table Absolute Maximum Ratings
Supply Voltage Ground -0.5V 7.0V Switch Voltage -0.5V 7.0V Input Voltage -0.5V 7.0V Input Voltage (for pulse width 20ns) -3.0V Output Current Max. Sink Current/Pin 120mA Maximum Power Dissipation watts TSTG Storage Temperature -65° 150°C
Note: ABSOLUTE MAXIMUM CONTINUOUS RATINGS those values beyond which damage device occur. Exposure these conditions conditions beyond those indicated adversely affect device reliability. Functional operation under absolutemaximum conditions implied.
Table Capacitance
25°C, 1MHz, VOUT SOIC, QSOP TSSOP
Note: Capacitance guaranteed production tested. total capacitance while switch please Section under "Input Switch Capacitance."
Pins Control Inputs QuickSwitch Channels (Switch OFF)
Unit
QUALITY SEMICONDUCTOR, INC.
MDSL-00036-06 DECEMBER 1998
QS3L384, QS3L2384 Table Electrical Characteristics Over Operating Range
Commercial: -40°C 85°C, 5.0V Symbol Parameter Input HIGH Voltage Input Voltage Input Leakage Current Off-State Current (Hi-Z) Switch Resistance(2) Military: -55°C 125°C, 5.0V ±10% 3L384 (Com) 3L384 (Mil) 3L2384 (Com) 3L2384 (Mil) Switch Resistance(2) Min., 2.4V 15mA Pass Voltage(3) 3L384 (Com) 3L384 (Mil) 3L2384 (Com) 3L2384 (Mil) IOUT -5µA Typ(1) 0.001 Unit Test Conditions Guaranteed Logic HIGH Control Inputs Guaranteed Logic Control Inputs VOUT Min., 0.0V 30mA
Notes: Typical values indicate 5.0V 25°C. diagram explaining procedure measurement, please Section under Electrical Characteristics." Max. value guaranteed, production tested. Pass Voltage guaranteed production tested.
Figure Typical Resistance 5.0V (QS3L384)
(ohms)
(Volts)
Note: QS3L2384, shown.
MDSL-00036-06 DECEMBER 1998
QUALITY SEMICONDUCTOR, INC.
QS3L384, QS3L2384 Table Power Supply Characteristics Over Operating Range
Commercial: -40°C 85°C, 5.0V CLOAD 50pF, RLOAD unless otherwise noted. Symbol ICCQ QCCD Parameter Quiescent Power Supply Current Power Supply Current Input HIGH(3) Dynamic Power Supply Current MHz(4) Military: -55°C 125°C, 5.0V ±10%
Test Conditions(1) Max., VCC, Max., 3.4V, Control Input Max., Pins Open, Control Inputs Toggling Duty Cycle
Typ(2) 0.25
Unit
Notes: conditions shown Min. Max., appropriate values specified under specifications. Typical values 25°C ambient. driven input (VIN 3.4V, control inputs only). pins contribute ICC. This current applies control inputs only represents current required switch internal capacitance specified frequency. inputs generate significant currents they transition. This parameter guaranteed, production tested.
Table Switching Characteristics Over Operating Range
Commercial: -40°C 85°C, 5.0V CLOAD 50pF, RLOAD unless otherwise noted.
Military: -55°C 125°C, 5.0V ±10%
0.25(3) 0.75(3)
1.25(3) 1.75(3)
QS3L384 Symbol tPLH tPHL Description(1) Data Propagation Delay(2,4) Switch Turn-on Delay BEA, Switch Turn-off Delay(2) BEA,
QS3L2384 Unit
tPZL tPZH tPLZ tPHZ
Notes: Test Circuit Waveforms. Minimums guaranteed production tested. This parameter guaranteed production tested. time constant switch alone order 0.25ns QS3L384 1.25ns QS3L2384 50pF. switch contributes propagation delay other than delay resistance switch load capacitance. Since this time constant much smaller than rise/fall times typical driving signals, adds very little propagation delay system. Propagation delay switch when used system determined driving circuit driving side switch interaction with load driven side.
QUALITY SEMICONDUCTOR, INC.
MDSL-00036-06 DECEMBER 1998

QUALITY SEMICONDUCTOR, INC. QuickSwitch® Products High-Speed, Pow

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