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

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

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QS32XR862
QUALITY SEMICONDUCTOR, INC.
QuickSwitch® Products High-Speed CMOS 20-Bit Resistance, Active High Switch with Flow-Thru Pinout
DESCRIPTION
QS32XR862
FEATURES/BENEFITS
Enhanced channel with inherent diode bidirectional switches connect inputs outputs Zero propagation delay, zero ground bounce Undershoot clamp diodes switch control pins Active High enable controls Available 48-pin QVSOP (Q1)
QS32XR862 provides sets highspeed CMOS, TTL-compatible, active high resistance switches. very resistance (2.5) QS32XR862 allows inputs connected outputs without adding propagation delay without generating additional ground bounce noise. 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. resistance QS32XR862 makes ideal docking applications.
APPLICATIONS
Hot-swapping hot-docking (Application Note AN-13) resistance Compact Applications Voltage translation 3.3V; Application Note AN-11) Power conservation Capacitance reduction isolation Applications requiring resistance Active High enabling isolation Clock gating
Figure Functional Block Diagram
MDSL-00247-02 NOVEMBER 1998
QUALITY SEMICONDUCTOR, INC.
QS32XR862 Table Description
Name A0-A19 B0-B19 Function Active Enable Active High Enable
Figure Configuration (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 -0.5V 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: 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-00247-02 NOVEMBER 1998
QS32XR862 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) Switch Resistance
Test Conditions Guaranteed Logic HIGH Control Inputs Guaranteed Logic Control Inputs BEn, VOUT VCC, Switches Min., 0.0V 30mA Min., 2.4V 15mA IOUT -5µA
Typ(1) 0.01 0.01
Unit
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
(ohms)
(Volts)
MDSL-00247-02 NOVEMBER 1998
QUALITY SEMICONDUCTOR, INC.
QS32XR862 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 Input HIGH(3) Dynamic Power Supply Current MHz(4) Test Conditions(1) Max., VCC, Max., 3.4V, Control Input Max., Pins Open, Control Input 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 ±10% CLOAD 50pF, RLOAD unless otherwise noted. Symbol tPLH tPHL tPZL tPZH tPLZ tPHZ Description(1) Data Propagation Delay to/from Switch Turn-on Delay An/Bn Switch Turn-off Delay(2) An/Bn
0.12
Unit
(2,3)
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 0.12ns QS32XR862 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-00247-02 NOVEMBER 1998

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

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