QUALITY SEMICONDUCTOR, INC. QuickSwitch® Products 3.3V Quad Activ

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QUALITY SEMICONDUCTOR, INC. QuickSwitch® Products 3.3V Quad Activ

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QS3VH125
QUALITY SEMICONDUCTOR, INC.
QuickSwitch® Products 3.3V Quad Active Switch Swap Applications (HotSwitchTM)
DESCRIPTION
QS3VH125
channel switches with parasitic diode path tolerant state typical Flat characteristics from Bidirectional dataflow with near-zero delay added ground bounce Excellent matching between channels capacitance Maximum operating frequency data 150MHz LVTTL-compatible control inputs Undershoot clamp diodes control switch inputs Available QSOP SOIC (S1) packages
QS3VH125 HotSwitch Quad switch specially designed hot-swapping environment. QS3VH125 very resistance resulting under 200ps propagation delay through switch. switches turned under control individual LVTTL-compatible active Output Enable signals bidirectional data flow with added delay ground-bounce. state, switches 5V-tolerant offer very high impedance terminals. combination near-zero propagation delay, high impedance, over-voltage tolerance makes QS3VH125 ideal swapping applications. resistance QS3VH125 makes ideal CompactPCI swapping environment.
Figure Functional Block Diagram
MDSL-00338-01 SEPTEMBER 1998
QUALITY SEMICONDUCTOR, INC.
QS3VH125 Table Description
Name 1A-4A 1Y-4Y 1OE-4OE Description Switch Enable QSOP
Figure Configuration (All Pins View)
Table Function Table
Function Connect Connect Disconnect
SOIC (S1)
Table Absolute Maximum Ratings
Supply Voltage Ground -0.5V 4.6V Switch Voltage -0.5V 5.5V Input Voltage -0.5V 5.5V 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.
Table 4.Capacitance
25°C, 1MHz, VOUT Pins Control Inputs QuickSwitch Channels (Switch OFF) SOIC, QSOP Unit
Note: Capacitance guaranteed, production tested typical values. total capacitance while switch please Section under "Input Switch Capacitance."
QUALITY SEMICONDUCTOR, INC.
MDSL-00338-01 SEPTEMBER 1998
QS3VH125 Table Electrical Characteristics Over Operating Range
-40°C 85°C, 3.3V ±0.3V Symbol Parameter Input HIGH Voltage Input Voltage Input Leakage Current (Control Inputs) Off-State Current (Hi-Z) Test Conditions Guaranteed Logic HIGH Control Pins Guaranteed Logic Control Pins VOUT VCC, Switches Min., 2.4V, 15mA Typ(1) Unit
Switch Resistance(2,3) Min., 0.0V, 30mA
Notes: Typical values indicate 3.3V 25°C. diagram explaining procedure measurement, please Section under Electrical Characteristics." guaranteed, production tested.
Figure Typical Resistance 3.3V
(ohms)
(Volts)
MDSL-00338-01 SEPTEMBER 1998
QUALITY SEMICONDUCTOR, INC.
QS3VH125 Table Power Supply Characteristics Over Operating Range
-40°C 85°C, 3.3V ±0.3V Symbol ICCQ QCCD Parameter Quiescent Power Supply Current Power Supply Current(2,3) Input HIGH Dynamic Power Supply Current MHz(4) Test Conditions(1) Max., VCC, Max., 3.0V, control input Max., Pins Open, Controls Inputs Toggling Duty Cycle 0.25 Unit
Notes: conditions shown Min. Max., appropriate values specified under specifications. LVTTL driven input. pins contribute ICC. This parameter guaranteed, production tested. This current applies control inputs only represents current required switch internal capacitance specified frequency. inputs generate significant currents they change states. This parameter guaranteed, production tested.
Table Switching Characteristics Over Operating Range
Commercial -40°C 85°C, 3.3V ±0.3V CLOAD 50pF, RLOAD unless otherwise noted. Symbol tPLH tPHL Description(1) Data Propagation Delay(2,3) Switch Turn-on Delay nA/ny Switch Turn-off Delay(2) nA/ny Operating Frequency Data(2,5) Operating Frequency Enable(2,6)
Min(4)
0.25
Unit
tPZH tPZL tPHZ tPLZ
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 0.20ns 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. Minimums guaranteed, production tested. Maximum frequency bidirectional data flow. Maximum toggle frequency control input.
QUALITY SEMICONDUCTOR, INC.
MDSL-00338-01 SEPTEMBER 1998

QUALITY SEMICONDUCTOR, INC. QuickSwitch® Products 3.3V Quad Activ

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