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

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

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QS316292, QS3162292
QUALITY SEMICONDUCTOR, INC.
QuickSwitch® Products High-Speed CMOS 12-Bit Mux/Demux Switch With Resistor Termination Demux Side
DESCRIPTION
QS316292 QS3162292
FEATURES/BENEFITS
Enhanced channel with inherent diode bidirectional switches connect inputs outputs Zero propagation delay, zero ground bounce TTL-compatible input output levels Undershoot Clamp diodes switch control inputs Available 56-pin SSOP TSSOP
QS316292 QS3162292 high-speed CMOS 12-Bit Multiplexer/Demultiplexer switches with resistor termination Demultiplexer side eliminate floating nodes. QS316292 adds series damping resistor minimize undershoot, reflection noise, charge sharing effects. resistance QS316292 allows inputs connected outputs without adding propagation delay without generating additional ground bounce noise.
APPLICATIONS
Resource sharing Hot-docking (Application Note AN-13) Voltage translation 3.3V; Application Note AN-11)
Channels
Figure Functional Block Diagram
Flow Control
MDSL-00252-01 MARCH 1999
QUALITY SEMICONDUCTOR, INC.
QS316292, QS3162292 Table Description
Name 1A1-12A1 1Bn-12Bn Function Data select
10A1 11A1 12A1 10B1 10B2 11B1 11B2 12B1 12B2
Figure Configuration (All Pins View)
SSOP (PV) TSSOP (PA)
Table Function Table
Function iB1, iB2,
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 85°C, SSOP 0.93 watts TSSOP 0.77 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 absolute-maximum conditions implied.
Table Capacitance
25°C, 1MHz, VOUT Pins Control Inputs QuickSwitch Channels (Switch OFF) SSOP, TSSOP Unit
Note: Capacitance guaranteed, production tested. total capacitance while switch please Section under "Input Switch Capacitance."
QUALITY SEMICONDUCTOR, INC.
MDSL-00252-01 MARCH 1999
QS316292, QS3162292 Table Electrical Characteristics Over Operating Range
-40°C 85°C, 5.0V ±10% Symbol Parameter Input HIGH Voltage Input Voltage Input Leakage Current (Control Inputs) Off-State Current (Hi-Z) Short Circuit Current Clamp Diode Voltage Input Hysterisis Control Pins Switch Resistance(2) Switch Resistance(2) Pass Voltage(3) Min., 0.0V 30mA Min., 2.4V 15mA QS316212 QS3162212 QS316212 QS3162212 Test Conditions Guaranteed Logic HIGH Control Inputs Guaranteed Logic Control Inputs VOUT VCC, Switches A(B) B(A) Min., -18mA -100 Typ(1) -0.7 -1.2 Unit
IOUT -5µA
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 (QS316292)
(ohms)
(Volts)
Note: QS3162292, shown.
MDSL-00252-01 MARCH 1999
QUALITY SEMICONDUCTOR, INC.
QS316292, QS3162292 Table Power Supply Characteristics Over Operating Range
-40°C 85°C, 5.0V ±10% Symbol ICCQ QCCD Parameter Quiescent Power Supply Current Power Supply Current Control Input HIGH(2) Dynamic Power Supply Current MHz(3) Test Conditions(1) Max., VCC, Max., 3.4V, Max., Pins Open, Control Input Toggling Duty Cycle 0.25 Unit
Notes: conditions shown Min. Max., appropriate values specified under specifications. driven input (VIN 3.4V). 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
-40°C 85°C, 5.0V ±10% CLOAD 50pF, RLOAD unless otherwise noted. Symbol tPLH tPHL tPZL tPZH tPLZ tPHZ Description(1) Data Propagation Delay iBn, Switch Turn-on Delay(4)
(2,3)
QS316292 QS3162292 QS316292 QS3162292 QS316292 QS3162292
Unit 0.25 1.25
Notes: Test Circuit Waveforms. Minimums guaranteed production tested. This parameter guaranteed, production tested. switch contributes propagation delay other than delay resistance switch load capacitance. time constant switch alone order 0.25ns QS316292 1.25ns QS3162292 50pF. 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. Switch turn-on delay from guaranteed, production tested.
Switch Turn-off Delay(2) iA1,
QUALITY SEMICONDUCTOR, INC.
MDSL-00252-01 MARCH 1999

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

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