High Speed CMOS 32-Bit Exchange Switches MillipaQDESCRIPTION QS34

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High Speed CMOS 32-Bit Exchange Switches MillipaQDESCRIPTION QS34

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QS34X383Q3 ADVANCE INFORMATION
High Speed CMOS 32-Bit Exchange Switches MillipaQDESCRIPTION
QS34X383Q3
switches connect inputs outputs Zero propagation delay Direct connect Live insertion capability power CMOS proprietary technology 32-bit version QS3383 exchange allows nibble swap TTL-compatible control inputs Available 80-pin MillipaQpackage
QS34X383 provides four sets eight highspeed CMOS TTL-compatible switches. resistance QS34X383 allows inputs connected outputs without adding propagation delay without generating additional ground bounce noise. Enable (BEn) signals turn switches Exchange (BXn) signals provides nibble swap pairs signals. This exchange configuration allows byte swapping buses systems. also used 16-bit 2-to-1 multiplexer create delay barrel shifters, etc.
Figure Functional Block Diagram
MDSL-00159-00
QUALITY SEMICONDUCTOR, INC.
QS34X383Q3 ADVANCE INFORMATION Table Description
Name Function Buses Buses Switch Enable Exchange
Figure Configuration
(All Pins View)
Millipa80
Table Function Table
Hi-Z Hi-Z Function Disconnect Connect Exchange
Table Absolute Maximum Ratings
Supply Voltage Ground -0.5V +7.0V Output 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: Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS cause permanent damage this device resulting functional reliability type failures.
Table Capacitance
25°C, 1MHz, VOUT MillipaQ
Pins Control Pins QuickSwitch Channels
Unit
Note: Capacitance characterized production tested.
QUALITY SEMICONDUCTOR, INC.
MDSL-00159-00
QS34X383Q3 ADVANCE INFORMATION Table Electrical Characteristics Over Operating Range
Commercial: 70°C, 5.0V Symbol Parameter Input HIGH Voltage Input Voltage Input Leakage Current(2) Off-State Current (Hi-Z) Switch Resistance(3,4) Switch Resistance(3,4) Test Conditions Guaranteed Logic HIGH Control Inputs Guaranteed Logic Control Inputs BEn,BXn A,B,C,D Min., 0.0V 30mA Min., 2.4V 15mA Typ(1) Unit
Notes: Typical values indicate 5.0V 25°C. During input/output leakage, testing pins HIGH state, control HIGH. Measured voltage drop between indicated current through switch. resistance determined lower voltages pins. Max. value guaranteed tested.
Figure Typical Resistance 4.75
(ohms)
(Volts)
MDSL-00159-00
QUALITY SEMICONDUCTOR, INC.
QS34X383Q3 ADVANCE INFORMATION Table Power Supply Characteristics
Symbol ICCQ QCCD Parameter Quiescent Power Supply Current Supply Current Control Input HIGH(2) Dynamic Power Supply Current MHz(3) Test Conditions(1) Max., VCC, Max.,BEn 3.4V, Max., Pins Open Control Input Toggling Duty Cycle 0.25 Unit
Notes: conditions shown Min. Max., appropriate values specified under specifications. driven input (BEn 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 design, tested.
Table Switching Characteristics Over Operating Range
Commercial: 70°C, 5.0V CLOAD 50pF, RLOAD unless otherwise noted. Symbol tPLH tPHL tPZL tPZH tPLZ tPHZ Description(1) Data Propagation Delay(2,4) AiBi CiDi, CiDi BiAi Switch Turn-on Delay Switch Turn-off Delay(2) Switch Multiplex Delay(2) Charge Injection(5,6)
0.25(3) Unit
Notes: Test Circuit Waveforms. Minimums guaranteed tested. This parameter guaranteed design tested. time constant switch alone order 0.25ns 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. Measured switch turn through multiplexer, connected load 50pF parallel with scope probe, 0.0V. Charge injection reduced because injection from turn switch compensated turn switch.
QUALITY SEMICONDUCTOR, INC.
MDSL-00159-00

High Speed CMOS 32-Bit Exchange Switches MillipaQDESCRIPTION QS34

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