QS32X2384Q1G

IDTQS32X2384 HIGH-SPEED CMOS 20-BIT BUS SWITCH INDUSTRIAL TEMPERATURE RANGE QUICKSWITCH® PRODUCTS HIGH-SPEED CMOS 20-BIT BUS SWITCH DESCRIPTION: FEATURES: • • • • • • • Enhanced N channel FET with no inherent diode to VCC Low propagation delay and zero ground bounce Ω resistors for low noise 25Ω Undershoot Clamp Diodes on all switch and control Inputs Four enables control five bits each TTL-compatible input and output levels Available in 48-pin QVSOP package The QS32X2384 provides a set of twenty high-speed CMOS TTLcompatible bus switches. The QS32x2384 also includes internal 25Ω series termination resistors to reduce reflection noise in high-speed applications. The Bus Enable (BE) signals turn the switches on. Four Bus Enable signals are provided, one for each of five bits of the 20-bit bus. The ‘384 family of QuickSwitch products is ideal for switching wide digital buses, as well as hotplug buffering, and 5V to 3V conversion. The QS32X2384 is characterized for operation at -40°C to +85°C. APPLICATIONS: • • • • • • IDTQS32X2384 Hot-swapping, hot-docking Voltage translation (5V to 3.3V) Power conservation Capacitance reduction and isolation Bus isolation Clock gating FUNCTIONAL BLOCK DIAGRAM A0 B0 A10 B10 A4 B4 A14 B14 A5 B5 A15 B15 A9 B9 A19 B19 BEA BEC BED BEB The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE c 2011 Integrated Device Technology, Inc. FEBRUARY 2011 1 DSC-5725/4 IDTQS32X2384 HIGH-SPEED CMOS 20-BIT BUS SWITCH INDUSTRIAL TEMPERATURE RANGE ABSOLUTE MAXIMUM RATINGS(1) PIN CONFIGURATION Symbol Description Max Unit VTERM(2) SupplyVoltage to Ground –0.5 to +7 V VTERM(3) DC Switch Voltage VS –0.5 to +7 V –0.5 to +7 V BEA 1 48 VCC VTERM(3) DC Input Voltage VIN B0 2 47 B19 VAC AC Input Voltage (pulse width ≤20ns) –3 V A0 3 46 A19 IOUT DC Output Current (max. sink current/pin) 120 mA A1 4 45 A18 PMAX Maximum Power Dissipation (TA = 85°C) B1 5 44 B18 TSTG Storage Temperature B2 6 43 B17 A2 7 42 A17 A3 8 41 A16 B3 9 40 B16 B4 10 39 B15 A4 11 38 A15 GND 12 37 BEB BEC 13 36 VCC B5 14 35 B14 A5 15 34 A14 A6 16 33 A13 B6 17 32 B13 B7 18 31 B12 A7 19 30 A12 A8 20 29 A11 B8 21 28 B11 B9 22 27 B10 A9 23 26 GND 24 25 A10 BED CAPACITANCE (TA = +25°C, F = 1MHz, VIN = 0V, VOUT = 0V) I/O I/O B0 - B19 I/O BEA I Enable, 0 - 4 BEB I Enable, 15 - 19 BEC I Enable, 5 - 9 BED I Enable, 10 - 14 Pins Typ. Max.(1) Unit Control Inputs 3 5 pF Quickswitch Channels (Switch OFF) 5 7 pF NOTE: 1. This parameter is guaranteed but not production tested. FUNCTION TABLE(1) PIN DESCRIPTION A0 - A19 W °C NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. VCC terminals. 3. All terminals except VCC . QVSOP TOP VIEW Pin Names 0.5 –65 to +150 BEA BEB B0 - B4 B15 - B19 Function H H Z Z Disconnect L H A0 - A4 Z Connect H L Z A15 - A19 Connect L L A0 - A4 A15 - A19 Connect BEC BED B5 - B9 B10 - B14 Function H H Z Z Disconnect L H A5 - A9 Z Connect H L Z A10 - A14 Connect L L A5 - A9 A10 - A14 Connect NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level X = Don't care Z = High-Impedence Description Bus A Bus B 2 IDTQS32X2384 HIGH-SPEED CMOS 20-BIT BUS SWITCH INDUSTRIAL TEMPERATURE RANGE DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial: TA = –40°C to +85°C, VCC = 5.0V ± 5% Symbol Parameter Test Conditions Min. Typ.(1) Max. Unit VIH Input HIGH Voltage Guaranteed Logic HIGH for Control Pins 2 — — V VIL Input LOW Voltage Guaranteed Logic LOW for Control Pins — — 0.8 V IIN Input Leakage Current (Control Inputs) 0V ≤ VIN ≤ VCC — ±0.01 ±1 μA IOZ Off-State Current (Hi-Z) 0V ≤ VOUT ≤ VCC, Switches OFF — ±0.01 ±1 μA RON Switch ON Resistance(2) VCC = Min., VIN = 0V, ION = 30mA 20 28 40 Ω VCC = Min., VIN = 2.4V, ION = 15mA 20 35 48 VCC = 5V, IOUT = -5μA 3.7 4 4.2 VP Pass Voltage(3) NOTES: 1. Typical values are at VCC = 5.0V and TA = 25°C. 2. Max value of RON is guaranteed but not production tested. 3. Pass voltage is guaranteed but not production tested. TYPICAL ON RESISTANCE vs VIN AT VCC = 5V 80 70 R ON (ohms) 60 50 40 30 20 10 0 0.0 0.5 1.0 1.5 2.0 V IN (Volts) 3 2.5 3.0 3.5 V IDTQS32X2384 HIGH-SPEED CMOS 20-BIT BUS SWITCH INDUSTRIAL TEMPERATURE RANGE POWER SUPPLY CHARACTERISTICS Symbol Parameter Test Conditions(1) ICCQ Quiescent Power Supply Current VCC = Max., VIN = GND or VCC, f = 0 ΔICC Power Supply Current per Input HIGH(2) VCC = Max., VIN = 3.4V, f = 0 ICCD Dynamic Power Supply Current per MHz(3) VCC = Max., A and B Pins Open Max. Unit 3 mA 2.5 mA 0.25 mA/MHz Control Input Toggling @ 50% Duty Cycle NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. 2. Per TTL driven input (VIN = 3.4V, control inputs only). A and B pins do not contribute to ΔIcc. 3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the specified frequency. The A and B inputs generate no significant AC or DC currents as they transition. This parameter is guaranteed but not production tested. SWITCHING CHARACTERISTICS OVER OPERATING RANGE TA = -40°C to +85°C Symbol tPLH tPHL tPZL tPZH tPLZ tPHZ Parameter Data Propagation Delay(2,4) Ax to Bx, Bx to Ax Switch Turn-On Delay BEx to Ax, Bx Switch Turn-Off Delay(2) BEx to Ax, Bx Min.(1) Typ. Max. Unit ⎯ ⎯ 1.25(3) ns 1.5 ⎯ 7.5 ns 1.5 ⎯ 5.5 ns NOTES: 1. Minimums are guaranteed but not production tested. 2. This parameter is guaranteed but not production tested. 3. The time constant for the switch alone is of the order of 1.25ns at CL = 50pF. 4. The bus switch contributes no propagation delay other than the RC delay of the ON resistance of the switch and the load capacitance. Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to the system. Propagation delay of the bus switch, when used in a system, is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side. 4 IDTQS32X2384 HIGH-SPEED CMOS 20-BIT BUS SWITCH INDUSTRIAL TEMPERATURE RANGE ORDERING INFORMATION QS XXXXX Device Type XX Package X Process X Blank 8 Tube or Tray Tape and Reel Blank Industrial (-40°C to +85°C) Q1G 48-Pin QVSOP - Green 32X2384 High Speed CMOS 20-Bit Bus Switch Datasheet Document History 02/16/2011 Pg. 5 Updated the ordering information by removing the "IDT" notation, non RoHS part and by adding Tape and Reel information. CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 for SALES: 800-345-7015 or 408-284-8200 fax: 408-284-2775 www.idt.com 5 for Tech Support: logichelp@idt.com IMPORTANT NOTICE AND DISCLAIMER RENESAS ELECTRONICS CORPORATION AND ITS SUBSIDIARIES (“RENESAS”) PROVIDES TECHNICAL SPECIFICATIONS AND RELIABILITY DATA (INCLUDING DATASHEETS), DESIGN RESOURCES (INCLUDING REFERENCE DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS” AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS. These resources are intended for developers skilled in the art designing with Renesas products. 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