IDTQS32XVH2245 2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE QUICKSWITCH(R) PRODUCTS 2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH FEATURES: IDTQS32XVH2245 DESCRIPTION: * N channel FET switches with no parasitic diode to VCC - Isolation under power-off conditions - No DC path to VCC or GND - 5V tolerant in OFF and ON state * 5V tolerant I/Os * 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 * LVTTL-compatible control Inputs * Undershoot Clamp Diodes on all switch and control Inputs * Low I/O capacitance, 4pF typical resistors for low noise and line matching * 25 * Available in 40-pin QVSOP package The QS32XVH2245 HotSwitch is a high bandwidth, 16-bit bus switch. The QS32XVH2245, with 25 ON resistance and 1.35ns propagation delay, is ideal for line matching and low noise environments. The switches can be turned ON under the control of the LVTTL-compatible Output Enable (OEx) signal for bidirectional data flow with no added delay or ground bounce. In the ON state, the switches can pass signals up to 5V. In the OFF state, the switches offer very high impedence at the terminals. The combination of small propagation delay, high OFF impedance, and over-voltage tolerance makes the QS32XVH2245 ideal for hot-swapping applications. The QS32XVH2245 is characterized for operation from -40C to +85C. APPLICATIONS: * * * * Hot-swapping Low distortion analog switch Replaces mechanical relay ATM 25/155 switching FUNCTIONAL BLOCK DIAGRAM A0 A1 A2 A3 A4 A5 A6 A7 B0 B1 B2 B3 B4 B5 B6 B7 A8 A9 A10 A11 A12 A13 A14 A15 B8 B9 B10 B11 B12 B13 B14 B15 OE1 OE2 IDT and the IDT logo is a registered trademarks of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE JUNE 2011 1 c 2011 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. DSC-5777/14 IDTQS32XVH2245 2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE ABSOLUTE MAXIMUM RATINGS(1) PIN CONFIGURATION NC 1 A0 2 A1 A2 3 4 Symbol 40 39 VCC 38 B0 A3 37 36 B1 5 A4 6 35 B3 A5 7 34 B4 A6 8 33 B5 A7 9 32 B6 GND 10 31 B7 NC 11 30 VCC A8 12 29 OE2 A9 13 28 B8 A10 14 27 B9 OE1 15 26 B10 A12 16 25 B11 A13 17 24 B12 A14 18 23 B13 A15 19 22 B14 GND 20 21 B15 Max Unit SupplyVoltage to Ground -0.5 to +4.6 V VTERM(3) DC Switch Voltage VS -0.5 to +5.5 V VTERM(3) DC Input Voltage VIN -0.5 to +5.5 V VAC AC Input Voltage (pulse width 20ns) -3 V IOUT DC Output Current (max. sink current/pin) 120 mA TSTG Storage Temperature -65 to +150 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 . B2 A11 Description VTERM(2) CAPACITANCE (TA = +25C, F = 1MHz, VIN = 0V, VOUT = 0V) Parameter(1) Symbol Typ. Max. Unit CIN Control Inputs 3 5 pF CI/O Quickswitch Channels (Switch OFF) 4 6 pF CI/O Quickswitch Channels (Switch ON) 8 12 pF NOTE: 1. This parameter is guaranteed but not production tested. PIN DESCRIPTION QVSOP TOP VIEW Pin Names Description OEx Output Enable Ax Data I/Os Bx Data I/Os FUNCTION TABLE(1) Function OEx H Disconnected L Connect (Ax = Bx) NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level 2 IDTQS32XVH2245 2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial: TA = -40C to +85C, VCC = 3.3V 0.3V Symbol VIH Parameter Test Conditions Input HIGH Voltage Input LOW Voltage VIL IIN Input Leakage Current (Control Inputs) Min. Typ.(1) Max. Unit Guaranteed Logic HIGH VCC = 2.3V to 2.7V 1.7 -- -- for Control Inputs VCC = 2.7V to 3.6V 2 -- -- V Guaranteed Logic LOW VCC = 2.3V to 2.7V -- -- 0.7 for Control Inputs VCC = 2.7V to 3.6V -- -- 0.8 0V VIN VCC -- -- 1 A V IOZ Off-State Current (Hi-Z) 0V VOUT 5V, Switches OFF -- -- 1 A IOFF Data Input/Output Power Off Leakage VIN or VOUT 0V to 5V, VCC = 0V -- -- 1 A VCC = 2.3V VIN = 0V ION = 30mA 18 27 39 RON Switch ON Resistance Typical at VCC = 2.5V VIN = 1.7V ION = 15mA 18 28 41 VCC = 3V VIN = 0V ION = 30mA 18 25 38 VIN = 2.4V ION = 15mA 18 26 40 NOTE: 1. Typical values are at VCC = 3.3V and TA = 25C. TYPICAL ON RESISTANCE vs VIN AT VCC = 3.3V 40 35 R ON (ohms) 30 25 20 15 10 5 0 0 0.5 1 1.5 2 2.5 V IN (Volts) 3 3 3.5 4 4.5 5 IDTQS32XVH2245 2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE POWER SUPPLY CHARACTERISTICS Symbol Test Conditions(1) Parameter Min. Typ. Max. Unit ICCQ Quiescent Power Supply Current VCC = Max., VIN = GND or VCC, f = 0 -- 4 8 mA ICC Power Supply Current (2,3) per Input HIGH VCC = Max., VIN = 3V, f = 0 per Control Input -- -- 30 A ICCD Dynamic Power Supply Current per Output VCC = 3.3V, A and B Pins Open, Control Inputs See Typical ICCD vs Enable Frequency graph below Enable Control Input Toggling @ 50% Duty Cycle (4) NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. 2. Per input driven at the specified level. A and B pins do not contribute to Icc. 3. This parameter is guaranteed but not tested. 4. This parameter represents the current required to switch internal capacitance at the specified frequency. The A and B inputs do not contribute to the Dynamic Power Supply Current. This parameter is guaranteed but not production tested. TYPICAL ICCD vs ENABLE FREQUENCY CURVE AT VCC = 3.3V 12 10 ICCD (mA) 8 6 4 2 0 0 2 4 6 8 10 12 ENABLE FREQUENCY (MHz) 4 14 16 18 20 IDTQS32XVH2245 2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE SWITCHING CHARACTERISTICS OVER OPERATING RANGE TA = -40C to +85C VCC = 2.5 0.2V (1) Symbol tPLH tPHL tPZL tPZH tPLZ tPHZ fOEx Parameter Data Propagation Delay(2,3) Ax to/from Bx Switch Turn-On Delay OEx to Ax/Bx Switch Turn-Off Delay OEx to Ax/Bx Operating Frequency - Enable(2,5) Min. (4) VCC = 3.3 0.3V (1) Max. 0.9 Min. (4) Max. 1.35 Unit ns 1.5 9 1.5 8 ns 1.5 7.5 1.5 7.5 ns 10 20 MHz NOTES: 1. See Test Conditions under TEST CIRCUITS AND WAVEFORMS. 2. This parameter is guaranteed but not production tested. 3. The bus switch contributes no propagation delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 1.35ns at CL = 50pF. 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. Minimums are guaranteed but not production tested. 5. Maximum toggle frequency for OEx control input (pass voltage > VCC, VIN = 5V, RLOAD 1M, no CLOAD). 5 IDTQS32XVH2245 2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE SOME APPLICATIONS FOR HOTSWITCH PRODUCTS NFET 0 to +5V Vcc = 3.3V OE 0 to +5V +6.5V CHARGE PUMP DRIVER SINGLE HOT SWITCH Rail-to-Rail Switching ZERO DOWN TIME SYSTEM PLUGGABLE CARD/ LIVE SYSTEM CARD I/O ON CARD LOGIC CONNECTOR QS3VHXXX CPU CARD I/O ON CARD LOGIC CONNECTOR QS3VHXXX RAM BUS Hot-Swapping 6 IDTQS32XVH2245 2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS Symbol VCC = 3.3V 0.3V VCC = 2.5V 0.2V Unit VLOAD 6 2 x Vcc V VIH 3 Vcc V (1) (2) VT 1.5 VCC/2 V VLZ 300 150 mV VHZ 300 150 mV CL 50 30 pF SAME PHASE INPUT TRANSITION tPLH tPHL tPLH tPHL OUTPUT VIH VT 0V VOH VT VOL VIH VT 0V OPPOSITE PHASE INPUT TRANSITION Propagation Delay VLOAD VCC 500 (1, 2) Pulse Generator VIN CONTROL INPUT GND tPZL VOUT D.U.T. RT DISABLE ENABLE Open OUTPUT SWITCH NORMALLY CLOSED LOW tPZH OUTPUT SWITCH NORMALLY OPEN HIGH 500 CL tPLZ VLOAD/2 VT tPHZ VT 0V VIH VT 0V VLOAD/2 VOL + VLZ VOL VOH VOH -VHZ 0V Test Circuits for All Outputs NOTE: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH. Enable and Disable Times DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. NOTES: 1. Pulse Generator for All Pulses: Rate 10MHz; tF 2.5ns; tR 2.5ns. 2. Pulse Generator for All Pulses: Rate 10MHz; tF 2ns; tR 2ns. SWITCH POSITION Test Switch tPLZ/tPZL VLOAD tPHZ/tPZH GND tPD Open 7 IDTQS32XVH2245 2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE ORDERING INFORMATION QS XXXXX XX X Device Type Package Process X Blank 8 Tube or Tray Tape and Reel Blank Industrial (-40C to +85C) Q2G 40-Pin QVSOP - Green 32XVH2245 2.5V / 3.3V 16-Bit High Bandwidth Bus Switch Datasheet Document History 09/01/08 Pg. 4, 8 06/14/11 Pg. 8 Revise ICCQ Typ. and Max. Remove non green package version and updated the ordering information by removing the "IDT" notation. Updated ordering information to include tube or tray and tape & reel. 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 8 for Tech Support: logichelp@idt.com