QUALITY SEMICONDUCTOR, INC. QuickSwitch® Products 3.3V 32-Bit Swi

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QUALITY SEMICONDUCTOR, INC. QuickSwitch® Products 3.3V 32-Bit Swi

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QS34XVH245
QUALITY SEMICONDUCTOR, INC.
QuickSwitch® Products 3.3V 32-Bit Switch Swap Applications (HotSwitch)
DESCRIPTION
QS34XVH245
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 80-pin QSSOP (Q3)
QS34XVH245 HotSwitch 32-bit switch specially designed hot-swapping environment. QS34XVH245 very resistance resulting under 200ps propagation delay through switch. switches turned under control LVTTL-compatible Output Enable (OEn) signal 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 QS34XVH245 ideal swapping applications. resistance QS34XVH245 makes ideal CompactPCI swapping environment.
Figure Functional Block Diagram
MDSL-00273-03 OCTOBER 1998
QUALITY SEMICONDUCTOR, INC.
QS34XVH245 Table Description
Name Description Output Enable QVSOP (Q2)
Figure Configuration (All Pins View)
Table Function Table
Function Disconnect Connect
Table Absolute Maximum Rating
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 Capacitance
25°C, 1MHz, VOUT QVSOP
Pins Control Inputs QuickSwitch Channels (Switch OFF)
Unit
Note: Capacitance guaranteed production tested. total capacitance while switch please Section under "Input Switch Capacitance."
QUALITY SEMICONDUCTOR, INC.
MDSL-00273-03 OCTOBER 1998
QS34XVH245 Table Electrical Characteristics Over Operating Range
-40°C 85°C, 3.3V ±0.3V Symbol IOZ| Parameter Input HIGH Voltage Input Voltage Input Leakage Current Off-State Current (Hi-Z) Switch Resistance(2) Test Conditions Guaranteed Logic HIGH Control Inputs Guaranteed Logic Control Inputs VCC, Switches Min., 0.0V, 30mA Min., 2.4V, 15mA Typ(1) Unit
Notes: Typical values indicate 3.3V 25°C. diagram explaining procedure measurement, please Section Electrical Characteristics." guaranteed, production tested.
(ohms)
Figure Typical Resistance 3.3V (QS34XVH245)
(Volts)
MDSL-00273-03 OCTOBER 1998
QUALITY SEMICONDUCTOR, INC.
QS34XVH245 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(3) Test Conditions(1) Max., VCC, 3.6V, 3.0V, Control Input 3.6V, Pins Open, Control Input Toggling Duty Cycle 0.25 Unit
Notes: conditions shown Min. Max., appropriate values specified under specifications. LVTTL-driven-control input. pins contribute ICC. This parameter guaranteed, production tested. This parameter represents current required switch internal capacitance specified frequency. inputs contribute Dynamic Power Supply Current. This parameter guaranteed, production tested.
Table Switching Characteristics Over Operating Range
-40°C 85°C, 3.3V ±0.3V CLOAD 50pF, RLOAD unless otherwise noted. Symbol tPLH tPHL tPZL tPZH tPLZ tPHZ Description(1) Data Propagation Delay(2,3) to/from Switch Turn-on Delay An/Bn Switch Turn-off Delay(2) An/Bn Operating Frequency Data(2,5) Operating Frequency Enable(2,6) Min(4)
0.25
Unit
Notes: Test Circuit Waveforms. This parameter guaranteed, production tested. switch contributes propagation delay other than delay resistance switch load capacitance. time constant switch alone order 0.20ns QS34XVH245 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-00273-03 OCTOBER 1998

QUALITY SEMICONDUCTOR, INC. QuickSwitch® Products 3.3V 32-Bit Swi

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