QS34XVH245Q3G

IDTQS34XVH245 2.5V / 3.3V 32-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE QUICKSWITCH® PRODUCTS 2.5V / 3.3V 32-BIT HIGH BANDWIDTH BUS SWITCH FEATURES: IDTQS34XVH245 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 Ω typical • Low RON , 4Ω • 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 The QS34XVH245 HotSwitch is a high bandwidth 32-bit bus switch. The QS34XVH245 has very low ON resistance, resulting in under 250ps propagation delay through the switch. The switches can be turned ON under the control of individual LVTTL-compatible Output Enable (OEx) signals for bidirectional data flow with no added delay or ground bounce. In the ON state, the switches can pass up to 5V. In the OFF state, the switches offer very high impedence at the terminals. The combination of near-zero propagation delay, high OFF impedance, and over-voltage tolerance makes the QS34XVH245 ideal for high performance communications applications. The QS34XVH245 is characterized for operation from -40°C to +85°C. APPLICATIONS: • • • • • Hot-swapping 10/100 Base-T, Ethernet LAN switch Low distortion analog switch Replaces mechanical relay ATM 25/155 switching FUNCTIONAL BLOCK DIAGRAM A0 A1 A2 A3 A4 A5 A6 A7 A1 6 A17 A18 A19 A20 A21 A22 A23 B7 B1 6 B17 B18 B19 B20 B21 B22 B23 A12 A13 A14 A15 A2 4 A25 A26 A27 A28 A29 A30 A31 OE1 OE3 B0 B1 B2 B3 A8 A9 A10 A11 B4 B5 B6 OE2 OE4 B8 B9 B10 B11 B24 B25 B26 B27 B28 B29 B30 B31 B12 B13 B14 B15 The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE JANUARY 2013 1 c 2013 Integrated Device Technology, Inc. DSC-5593/13 IDTQS34XVH245 2.5V / 3.3V 32-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE ABSOLUTE MAXIMUM RATINGS(1) PIN CONFIGURATION SupplyVoltage to Ground Max Unit –0.5 to +4.6 V Vcc –0.5 to +5.5 V OE1 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 1 A0 2 A1 3 78 B0 A2 4 77 B1 A3 5 76 B2 A4 6 75 B3 A5 7 74 B4 A6 8 73 B5 A7 9 72 B6 79 Description VTERM(2) VTERM(3) DC Switch Voltage VS NC 80 Symbol 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 . GND 10 NC 11 A8 12 A9 13 A10 14 A11 15 A12 16 A13 17 A14 18 A15 19 GND 20 61 B15 NC 21 60 Vcc A16 22 59 OE3 A17 23 58 B16 A18 24 57 B17 Pin Names A19 25 56 B18 OEx I Ax I/O Bus A Bx I/O Bus B 71 B7 70 Vcc 69 OE2 68 B8 67 B9 66 B10 65 CAPACITANCE 0V) Symbol (TA = +25°C, F = 1MHz, VIN = 0V, VOUT = (1) Parameter Typ. Max. Unit 3 5 pF CIN Control Inputs B11 CI/O Quickswitch Channels (Switch OFF) 4 6 pF 64 B12 CI/O Quickswitch Channels (Switch ON) 8 12 pF 63 B13 62 B14 A20 26 55 B19 A21 27 54 B20 A22 28 53 B21 A23 29 52 B22 GND 30 51 B23 NC 31 50 Vcc A24 32 49 OE4 A25 33 48 B24 A26 34 47 B25 A27 35 46 B26 A28 36 45 B27 A29 37 44 B28 A30 38 43 B29 A31 39 42 B30 GND 40 41 B31 NOTE: 1. This parameter is guaranteed but not production tested. PIN DESCRIPTION I/O Description Output Enable FUNCTION TABLE(1) Function OEx H Disconnected L Connect (Ax = Bx) NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level QVSOP TOP VIEW 2 IDTQS34XVH245 2.5V / 3.3V 32-BIT HIGH BANDWIDTH 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 = 3.3V ±0.3V Symbol VIH VIL Parameter Test Conditions Input HIGH Voltage Input LOW Voltage Min. Typ.(1) Max. Guaranteed Logic HIGH VCC = 2.3V to 2.7V 1.7 — — for Control Inputs VCC = 2.7V to 3.6V 2 — — Guaranteed Logic LOW VCC = 2.3V to 2.7V — — 0.7 for Control Inputs VCC = 2.7V to 3.6V — — 0.8 Unit V V IIN Input Leakage Current (Control Inputs) 0V ≤ VIN ≤ VCC — — ±1 μA IOZ Off-State Current (Hi-Z) 0V ≤ VOUT ≤ 5V, Switches OFF — — ±1 μA IOFF Data Input/Output Power Off Leakage VIN or VOUT 0V to 5V, VCC = 0V — — ±1 μA VCC = 2.3V VIN = 0V ION = 30mA — 6 8 RON Switch ON Resistance Typical at VCC = 2.5V VIN = 1.7V ION = 15mA — 7 9 VCC = 3V VIN = 0V ION = 30mA — 4 6 VIN = 2.4V ION = 15mA — 5 8 NOTE: 1. Typical values are at VCC = 3.3V and TA = 25°C. TYPICAL ON RESISTANCE vs VIN AT VCC = 3.3V 16 14 12 10 RON (ohms) 8 6 4 2 0 0.0 0.5 1.0 1.5 2.0 2.5 VIN (Volts) 3 3.0 3.5 4.0 4.5 5.0 Ω IDTQS34XVH245 2.5V / 3.3V 32-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 — 8 16 mA ΔICC Power Supply Current (2,3) per Input HIGH VCC = Max., VIN = 3V, f = 0 per Control Input — — 30 μA 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 ΔIcc. 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 IDTQS34XVH245 2.5V / 3.3V 32-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE SWITCHING CHARACTERISTICS OVER OPERATING RANGE TA = -40°C to +85°C VCC = 2.5 ± 0.2V (1) Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ 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. 0.2 Min. (4) ⎯ Max. 0.2 Unit ns 1.5 8 1.5 7 ns 1.5 7 1.5 6.5 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 0.2ns 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 ≥ 1MΩ, no CLOAD). 5 IDTQS34XVH245 2.5V / 3.3V 32-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE SOME APPLICATIONS FOR HOTSWITCH PRODUCTS NFET 0 to +5V Vcc = 3.3V +6.5V CHARGE PUMP OE 0 to +5V DRIVER SINGLE HOT SWITCH Rail-to-Rail Switching PHY 3VH SWITCH 4.5VPP LOGIC SIDE 10Mbps to 100Mbps Z = 100 Ω Z = 100 Ω >100m 4.5VPP TWISTED PAIR LOGIC SIDE 2VPP Fast Ethernet Data Switching (LAN Switch) ZERO DOWN TIME SYSTEM PLUGGABLE CARD/ LIVE SYSTEM CARD I/O ON CARD LOGIC CONNECTOR QS34VHXXX CPU CARD I/O ON CARD LOGIC CONNECTOR QS34VHXXX RAM Hot-Swapping 6 BUS IDTQS34XVH245 2.5V / 3.3V 32-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 500Ω (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 500Ω CL Test Circuits for All Outputs SWITCH POSITION Switch VLOAD tPHZ/tPZH GND tPD Open V T 0V Enable and Disable Times 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. Test tPHZ VLOAD/2 VOL + VLZ VOL VOH VOH -VHZ 0V NOTE: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH. DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. tPLZ/tPZL tPLZ VLOAD/2 VT VIH VT 0V 7 IDTQS34XVH245 2.5V / 3.3V 32-BIT HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE ORDERING INFORMATION QS XXXXX XX Device Type Package X Blank 8 Tube or Tray Tape and Reel Q3G 80-Pin QVSOP - Green 34XVH245 2.5V / 3.3V 32-Bit High Bandwidth Bus Switch Datasheet Document History 09/01/08 Pg. 4, 8 01/17/13 Pg. 8 Revise ICCQ Typ. and Max. Remove non green package version and updated the ordering information by removing the “IDT” notation. Updated the ordering information by addingTape and Reel information. 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