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

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

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QS32X862, QS32X2862 ADVANCE INFORMATION
QUALITY SEMICONDUCTOR, INC.
QuickSwitch® Products High-Speed CMOS 20-Bit High Enable Switch With Active High Enables
DESCRIPTION
QS32X862 QS32X2862 ADVANCE INFORMATION
FEATURES/BENEFITS
Enhanced channel with inherent diode bidirectional switches connect inputs outputs Zero propagation delay QS32X2862 version noise Undershoot clamp diodes switch control pins Active High enable controls Zero ground bounce flow-through mode Available 48-pin QVSOP (Q1)
APPLICATIONS
Hot-swapping, hot-docking (Application Note AN-13) Voltage translation 3.3V; Application Note AN-11) Power conservation Capacitance reduction isolation Applications requiring Active High enabling isolation Clock gating
QS32X862 QS32X2862 provide sets high-speed CMOS, Compatible switches. resistance QS32X862 allows inputs connected outputs without adding propagation delay without generating additional ground bounce noise. QS32X2862 adds internal series termination resistor each switch reduce reflection noise high-speed applications. switches controlled independent active Enable (BE) active High Enable (BE) controls each set. '862 family switches ideal switching digital buses, well plug buffering 3.3V conversion.
Figure Functional Block Diagram
MDSL-00248-01 JULY 1997
QUALITY SEMICONDUCTOR, INC.
QS32X862, QS32X2862 ADVANCE INFORMATION Table Description
Name A0-A19 B0-B19 Function Active Enable Active High Enable
Figure Confiruration (All Pins View)
QVSOP (Q1)
Table Function Table
A0-A9 Hi-Z Hi-Z B0-B9 Hi-Z A10-A19 Hi-Z Hi-Z B10-B19 Hi-Z Function Disconnect Disconnect Connect Disconnect Function Disconnect Disconnect Connect Disconnect
Table Absolute Maximum Ratings
Supply Voltage Ground -0.5V +7.0V Switch Voltage -0.5V +7.0V Input Voltage -0.5Vto+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: ABSOULUTE 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 QVSOP
Note: Capacitance characterized production tested. total capacitance while switch please Section under "Input Switch Capacitance."
Pins Control Inputs QuickSwitch Channels (Switch OFF)
Unit
QUALITY SEMICONDUCTOR, INC.
MDSL-00248-01 JULY 1997
QS32X862, QS32X2862 ADVANCE INFORMATION 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 30mA Min., 2.4V 15mA 32X862 32X2862 32X862 32X2862
Typ(1) 0.01 0.01
Unit
Switch Resistance(2) Pass Voltage(3)
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 (QS32X862)
(ohms)
(Volts)
Note: QS32X2862, shown.
MDSL-00248-01 JULY 1997
QUALITY SEMICONDUCTOR, INC.
QS32X862, QS32X2862 ADVANCE INFORMATION 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(3) Dynamic Power Supply Current MHz(4) Test Conditions(1) Max., VCC, Max., 3.4V, Control Input Max., Pins Open, Inputs Toggling Duty Cycle Typ(2) 0.25 Unit
Notes: conditions shown Min. Max., appropriate values specified under specifications. Typical values 5.0V, +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
-40°C 85°C, 5.0V CLOAD 50pF, RLOAD unless otherwise noted. Symbol tPLH tPHL Description(1)
0.25 1.25
Unit
tPZL tPZH tPLZ tPHZ
Data Propagation Delay to/from Switch Turn-on Delay An/Bn Switch Turn-off Delay(2) An/Bn
(2,4)
QS32X862 QS32X2862 QS32X862 QS32X2862 QS32X862 QS32X2862
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 QS32X862 1.25ns QS32X2862 50pF load. 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-00248-01 JULY 1997

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

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