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

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

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QS32X384, QS32X2384
QUALITY SEMICONDUCTOR, INC.
QuickSwitch® Products High-Speed CMOS 20-Bit Switch
DESCRIPTION
QS32X384 QS32X2384
Enhanced channel with inherent diode bidirectional switches connect inputs outputs Zero propagation delay zero ground bounce Undershoot clamp diodes switch control pins QS32X2384 resistors noise Four enables control five bits each TTL-compatible input output levels Available QVSOP (Q1)
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
QS32X384, QS32X2384 provide twenty high-speed CMOS TTL-compatible switches. resistance QS32X384 allows inputs connected outputs without adding propagation delay without generating additional ground bounce noise. QS32X2384 includes internal series termination resistors reduce reflection noise high speed applications. Enable (BE) signals turn switches Four Enable signals provided, each five bits 20-bit bus. `384 family QuickSwitch products ideal switching wide digital buses, well hotplug buffering, conversion.
Figure Functional Block Diagram
MDSL-00116-02 JULY 1997
QUALITY SEMICONDUCTOR, INC.
QS32X384, QS32X2384 Table Description
Name A0-A19 B0-B19 Function Enable,0-4 Enable, 15-19 Enable, Enable, 10-14
Figure Configuration (All Pins View)
QVSOP
Table Function Table
B0-B4 Hi-Z A0-A4 Hi-Z A0-A4 B5-B9 Hi-Z A5-A9 Hi-Z A5-A9 B15-B19 Hi-Z Hi-Z A15-A19 A15-A19 B10-B14 Hi-Z Hi-Z A10-A14 Function Disconnect Connect Connect Connect 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 absolute-maximum conditions implied.
A10-A14
Table Capacitance
25°C, 1MHz, Pins Control Inputs QuickSwitch Channels (Switch OFF) QVSOP Unit
Note: Capacitance characterized, production tested. total capacitance while switch please Section under "Input Switch Capacitance."
QUALITY SEMICONDUCTOR, INC.
MDSL-00116-02 JULY 1997
QS32X384, QS32X2384 Table Electrical Characteristics Over Operating Range
-40°C 85°C, 5.0V Symbol Parameter Input HIGH Voltage Input Voltage Input Leakage Current (Control Inputs) Off-State Current (Hi-Z) Switch Resistance(2) Switch Resistance(2) Pass Voltage(3) VOUT VCC, Switches Min., 0.0V 30mA Min., 2.4V 15mA 32X384 32X2384 32X384 32X2384 0.01 Test Conditions Guaranteed Logic HIGH Control Inputs Guaranteed Logic Control Inputs Typ(1) 0.01 Unit
IOUT -5µA
Notes: Typical values indicate 5.0V 25°C. diagram explaining procedure measurement, please section under Electrical Characterisitcs." Max. value guaranteed production tested. Pass Voltage guaranteed, production tested.
Figure Typical Resistance 5.0V (32X384)
(ohms)
(Volts)
Note: QS32X2384, shown.
MDSL-00116-02 JULY 1997
QUALITY SEMICONDUCTOR, INC.
QS32X384, QS32X2384 Table Power Supply Characteristics Over Operating Range
-40°C 85°C, 5.0V Symbol ICCQ QCCD Parameter Quiescent Power Supply Current Power Supply Current Input HIGH(2) Dynamic Power Supply Current MHz(3) Test Conditions(1) Max., VCC, Max., 3.4V, Control Input Max., Pins Open, Control Inputs Toggling Duty Cycle 0.25 Unit
Notes: conditions shown Min. Max., appropriate values specified under specifications. 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 design, production tested.
Table Switching Characteristics Over Operating Range
-40°C 85°C, 5.0V CLOAD 50pF, RLOAD unless otherwise noted. QS32X384 Symbol tPLH tPHL tPZL tPZH tPLZ tPHZ Description(1) Data Propagation Delay(2,4) Switch Turn-on Delay Switch Turn-off Delay(2)
1.25(3) Unit
QS32X2384
0.25(3)
Notes: Test Circuit Waveforms. Minimums guaranteed production tested. This parameter guaranteed, production tested. time constant switch alone order 0.25ns QS532X384 1.25ns QS32X2384 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-00116-02 JULY 1997

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

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