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IDTQS3VH251 Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDTQS3VH251 Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 8 page 1 INDUSTRIALTEMPERATURERANGE IDTQS3VH251 2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH AUGUST 2002 2002 Integrated Device Technology, Inc. DSC-5944/7 c IDTQS3VH251 INDUSTRIAL TEMPERATURE RANGE QUICKSWITCH® PRODUCTS 2.5V / 3.3V 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH FUNCTIONAL BLOCK DIAGRAM DESCRIPTION: The QS3VH251 HotSwitch Quad 2:1 multiplexer/demultiplexer is a high bandwidthbusswitch. TheQS3VH251hasverylowONresistance,resulting in under 250ps propagation delay through the switch. The Select (Sx) input controlsthedataflow. Themultiplexers/demultiplexersareenabledwhenthe Enable(E)inputislow. IntheONstate,theswitchescanpasssignalsupto5V. In the OFF state, the switches offer very high impedence at the terminals. Thecombinationofnear-zeropropagationdelay,highOFFimpedance,and over-voltage tolerance makes the QS3VH251 ideal for high performance comminucationapplications. The QS3VH251 is characterized for operation from -40 °C to +85°C. The IDT logo is a registered trademark of Integrated Device Technology, Inc. APPLICATIONS: • Hot-swapping • Multiplexing/demultiplexing • Low distortion analog switch • Replaces mechanical relay • ATM 25/155 switching FEATURES: • N channel FET switches with no parasitic diode to VCC – Isolationunderpower-offconditions – No DC path to VCC or GND – 5V tolerant in OFF and ON state • 5V tolerant I/Os • Low RON - 4 Ω Ω Ω Ω Ω typical • Flat RON characteristics over operating range • Rail-to-rail switching 0 - 5V • Bidirectional dataflow with near-zero delay: no added ground bounce • Excellent RON matching between channels •VCC operation: 2.3V to 3.6V • High bandwidth - up to 500MHz • LVTTL-compatible control Inputs • Undershoot Clamp Diodes on all switch and control Inputs • Low Demux capacitance, 4pF typical • Available in QSOP and TSSOP packages S0 Y I0 I1 I2 I3 I4 I5 I6 I7 S1 E S2 |
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