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IDTQS34XVH245Q3 Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDTQS34XVH245Q3 Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 8 page 1 INDUSTRIALTEMPERATURERANGE IDTQS34XVH245 2.5V / 3.3V 32-BIT HIGH BANDWIDTH BUS SWITCH 2003 Integrated Device Technology, Inc. DSC-5593/8 c INDUSTRIAL TEMPERATURE RANGE DESCRIPTION: The QS34XVH245 HotSwitch is a high bandwidth 32-bit bus switch. The QS34XVH245 has very low ON resistance, resulting in under 250ps propa- gation delay through the switch. The switches can be turned ON under the control of individual LVTTL-compatible Output Enable (OEx) signals for bidirectionaldataflowwithnoaddeddelayorgroundbounce. IntheONstate, theswitchescanpassupto5V. IntheOFFstate,theswitchesofferveryhigh impedenceattheterminals. Thecombinationofnear-zeropropagationdelay,highOFFimpedance,and over-voltagetolerancemakestheQS34XVH245idealforhighperformance communicationsapplications. The QS34XVH245 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 • 10/100 Base-T, Ethernet LAN switch • 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 I/O capacitance, 4pF typical • Available in 80-pin QVSOP package QUICKSWITCH® PRODUCTS 2.5V / 3.3V 32-BIT HIGH BANDWIDTH BUS SWITCH FUNCTIONAL BLOCK DIAGRAM B0 OE 1 A0 B1 A1 B2 A2 B3 A3 B4 A4 B5 A5 B6 A6 B7 A7 B8 OE 2 A8 B9 A9 B10 A10 B11 A11 B12 A12 B13 A13 B14 A14 B15 A15 OE 3 A16 A 17 A18 A 19 A20 A 21 A22 A 23 OE 4 B16 B 17 B18 B 19 B20 B 21 B22 B 23 A24 A 25 A26 A 27 A28 A 29 A30 A 31 B24 B 25 B26 B 27 B28 B 29 B30 B 31 MARCH 2003 IDTQS34XVH245 PRELIMINARY |
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