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IDTQS34X2245Q3G Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDTQS34X2245Q3G Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 5 page 1 IDTQS34X2245 HIGH-SPEED CMOS QUICKSWITCH 32-BIT MULTIWIDTH BUS SWITCHES INDUSTRIALTEMPERATURERANGE MARCH 2002 2002 Integrated Device Technology, Inc. DSC-5556/3 c INDUSTRIAL TEMPERATURE RANGE FUNCTIONAL BLOCK DIAGRAM The IDT logo is a registered trademark of Integrated Device Technology, Inc. FEATURES: • Enhanced N channel FET with no inherent diode to Vcc • Bidirectional switches connect inputs to outputs • Zero propagation delay, zero ground bounce • Internal 25 Ω Ω Ω Ω Ω resistors for low noise • Flow-through pinout for easy layout • Undershoot clamp diodes on all switch and control inputs • TTL-compatible control inputs • Available in 80-pin MilliPaQ™ package APPLICATIONS: • Hot-swapping, hot-docking • Voltage translation (5V to 3.3V) • Bus switching and isolation • Power conservation • Logic replacement (data processing) • Capacitance isolation • Clock gating IDTQS34X2245 QUICKSWITCH® PRODUCTS HIGH-SPEED CMOS QUICKSWITCH 32-BIT MULTIWIDTH™ BUS SWITCHES DESCRIPTION: The QS34X2245 is a member of the MultiWidthTM family of QuickSwitch devicesandprovidesasetof32high-speedCMOScompatiblebusswitches in a flow-through pinout. This device is available in the MillipaQ package, the worlds first small outline 32-bit solution. The low ON-resistance of the QS34X2245 allows inputs to be connected to outputs without adding propagation delay and without generating additional ground bounce noise. Internal 25 Ω resistors reduce reflection noise in high-speed applications. When Output Enable (OEn) is low, the switches are turned on, connecting bus A to bus B. When OEn is high, the switches are turned off. This device isideallysuitedfor32/64bitapplicationswhereboardspaceisatapremium. QuickSwitch devices provide speeds an order of magnitude faster than conventional logic devices. The QS34X2245 is characterized for operation at -40°C to +85°C. B 0 OE 1 A 0 B 1 A 1 B 2 A 2 B 3 A 3 B 4 A 4 B 5 A 5 B 6 A 6 B 7 A7 B 8 OE 2 A 8 B 9 A 9 B10 A10 B11 A11 B12 A12 B13 A13 B14 A 14 B15 A15 B16 OE 3 A16 B17 A17 B18 A18 B19 A19 B20 A20 B21 A21 B22 A22 B23 A 23 B24 OE 4 A 24 B25 A 25 B26 A 26 B27 A 27 B28 A 28 B29 A 29 B30 A 30 B31 A 31 |
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