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

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

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QS32XL384, QS32XL2384
QUALITY SEMICONDUCTOR, INC.
QuickSwitch® Products High-Speed CMOS 20-Bit Switches
DESCRIPTION
QS32XL384 QS32XL2384
Enhanced channel with inherent diode bidirectional switches connect inputs outputs Zero propagation delay zero ground bounce Undershoot clamp diodes control switch pins Available 48-pin QVSOP (Q1) Four enables control five bits each TTL-compatible input output levels QS32XL2384 version noise
QS32XL384 provides twenty high-speed CMOS TTL-compatible switches. resistance QS32XL384 allows inputs connected outputs without adding propagation delay without generating additional ground bounce noise. 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 hot-docking, conversion capacitance isolation power conservation. QS32XL2384 adds internal series termination resistor each switch reduce reflection noise high speed applications.
Hot-docking, hot-swapping (Application Note AN-13) Voltage translation 3.3V; Application Note AN-11) Logic replacement (data processing) Power conservation Capacitance reduction isolation power hand held mobil applications isolation Clock gating
Figure Functional Block Diagram
MDSL-00084-02 JULY 1997
QUALITY SEMICONDUCTOR, INC.
QS32XL384, QS32XL2384 Table Description
Name A0-A19 B0-B19 Function Enable, Enable, 15-19 Enable, Enable, 10-14
Figure Configuration (All Pins View)
QVSOP (Q1)
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, VOUT 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-00084-02 JULY 1997
QS32XL384, QS32XL2384 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
Test Conditions Guaranteed Logic HIGH Control Inputs Guaranteed Logic Control Inputs VOUT VCC, Switches Min., 0.0V 32XL384 30mA 32XL2384 Min., 2.4V 32XL384 15mA 32XL2384 IOUT -5µA
Typ(1) 0.01
Unit
0.01
Switch Resistance(2) Pass Voltage(3)
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 (QS32XL384)
(ohms)
(Volts)
Note: 32XL2384, shown.
MDSL-00084-02 JULY 1997
QUALITY SEMICONDUCTOR, INC.
QS32XL384, QS32XL2384 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, production tested.
Table Switching Characteristics Over Operating Range
-40°C 85°C, 5.0V CLOAD 50pF, RLOAD unless otherwise noted.
Unit
Symbol tPLH tPHL
tPZL tPZH tPLZ tPHZ
Description(1)
Data Propagation Delay(2,4) Switch Turn-on Delay Switch Turn-off Delay(2)
QS32XL384 0.25(3)
QS32XL2384 1.25(3)
Notes: Test Circuit Waveforms. Minimums guaranteed production tested. This parameter guaranteed production tested. time constant switch alone order 0.25ns QS32XL384 1.25ns QS32XL2384 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. Measured switch turn off, load 50pF parallel with scope probe, 0.0V. Guaranteed parameter. production tested.
QUALITY SEMICONDUCTOR, INC.
MDSL-00084-02 JULY 1997

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

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