QS34X383Q3G8

IDTQS34X383 HIGH-SPEED 32-BIT BUS EXCHANGE SWITCH INDUSTRIAL TEMPERATURE RANGE QUICKSWITCH® PRODUCTS HIGH-SPEED 32-BIT BUS EXCHANGE SWITCH IN MILLIPAQ™ DESCRIPTION: FEATURES: The QS34X383 provides four sets of eight high-speed CMOS TTLcompatible bus switches. The low ON resistance (5Ω) of the QS34X383 allows inputs to be connected to outputs without adding propagation delay and without generating additional ground bounce noise. The Bus Enable (BEx) signals turn the switches on. The Bus Exchange (BXx) signals provide nibble swap of the AB and CD pairs of signals. This exchange configuration allows byte swapping of buses in systems. It can also be used as a 16-bit 2-to-1 multiplexer and to create low delay barrel shifters, etc. The QS34X383 is characterized for operation at -40°C to +85°C. 5Ω Ω switches connect inputs to outputs Zero propagation delay Direct bus connect Live insertion capability Low power CMOS proprietary technology Bus exchange allows nibble swap TTL-compatible control inputs Available in 80-pin Millipaq package • • • • • • • • IDTQS34X383 FUNCTIONAL BLOCK DIAGRAM A0 C 0 A4 C4 B0 D0 B4 D4 A3 C3 A7 C7 B3 D3 B7 D7 A8 C8 A12 C12 B8 D8 B12 D12 A11 C11 A15 C15 B11 D11 B15 D15 BX1 BE1 BX2 BE2 BX3 BE3 BX4 BE4 The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE c 2012 Integrated Device Technology, Inc. AUGUST 2012 1 DSC-5573/4 IDTQS34X383 HIGH-SPEED 32-BIT BUS EXCHANGE SWITCH INDUSTRIAL TEMPERATURE RANGE PIN CONFIGURATION BE1 1 ABSOLUTE MAXIMUM RATINGS(1) Symbol Description Max Unit VCC VTERM(2) Supply Voltage to Ground –0.5 to +7 V 79 D3 VTERM(3) DC Switch Voltage Vs –0.5 to +7 V VTERM(3) DC Input Voltage VIN –0.5 to +7 V VAC AC Input Voltage (pulse width ≤ 20ns) –3 V IOUT DC Output Current 120 mA PMAX Maximum Power Dissipation (TA = 85°C) 1.4 W TSTG Storage Temperature –65 to +150 °C 80 C0 2 A0 3 78 B3 B0 4 77 A3 D0 5 76 C3 C1 6 75 D2 A1 7 74 B2 B1 8 73 A2 D1 9 72 C2 GND 10 71 BX1 BE2 11 70 VCC C4 12 69 D7 A4 13 68 B7 B4 14 67 A7 D4 15 66 C7 C5 16 65 D6 (TA = +25°C, f = 1.0MHZ, VIN = 0V, VOUT = 0V) A5 17 64 B6 Pins Max.(1) Unit B5 18 63 A6 Control Pins 8 pF Quickswitch Channels (Switch OFF) 8 pF NOTE: 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. CAPACITANCE D5 19 62 C6 GND 20 61 BX2 BE3 21 60 VCC C8 22 59 D11 A8 23 58 B11 B8 24 57 A11 D8 25 56 C11 C9 26 55 D10 Pin Names I/O A9 27 54 B10 Ax, Bx I/O Buses A, B B9 28 53 A10 Cx, Dx I/O Buses C, D D9 29 52 C10 BEx I Bus Switch Enable GND 30 51 BXx I Bus Exchange BE4 31 50 BX3 VCC C12 32 49 D15 A12 33 48 B15 B12 34 47 A15 D12 35 46 C15 C13 36 45 D14 A13 37 44 B14 B13 38 43 A14 D13 39 42 C14 GND 40 41 BX4 NOTE: 1. This parameter is measured at characterization but not tested. PIN DESCRIPTION Description FUNCTION TABLE(1) BEx BXx H X L L L H Dx NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care Z = High-Impedance MILLIPAQ TOP VIEW 2 Ax Bx Function Z Z Disconnect Cx Dx Connect Cx Exchange IDTQS34X383 HIGH-SPEED 32-BIT BUS EXCHANGE 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 2 — — V VIH Input HIGH Level Guaranteed Logic HIGH for Control Pins VIL Input LOW Level Guaranteed Logic LOW for Control Pins — — 0.8 V IIN Input LeakageCurrent (Control Inputs) 0V ≤ VIN ≤ VCC, Control Inputs — — ±5 μA IOZ Off-State Output Current (Hi-Z) 0V ≤ VOUT ≤ VCC, Switches OFF — — ±5 μA RON Switch ON Resistance(2,3) VCC = Min., VIN = 0V, ION = 30mA VCC = Min., VIN = 2.4V, ION =15mA — — 6 12 8 17 Ω NOTES: 1. Typical values are at VCC = 5.0V, TA = 25°C. 2. Max value of RON is guaranteed but not production tested. 3. Measures by voltage drop between the AB and CD pin at the indicated current through the switch. ON resistance is determined by the lower of the voltages on the two (A or B, C or D) pins. TYPICAL ON RESISTANCE vs VIN AT VCC = 5V 16 R ON (ohms) 14 12 10 8 6 4 2 0 0.0 0.5 1.0 1.5 2.0 V IN (Volts) 3 2.5 3.0 3.5 IDTQS34X383 HIGH-SPEED 32-BIT BUS EXCHANGE SWITCH INDUSTRIAL TEMPERATURE RANGE POWER SUPPLY CHARACTERISTICS Symbol Test Conditions(1) Parameter Max. Unit ICCQ Quiescent Power Supply Current VCC = Max., BEx = GND or Vcc, f = 0 6 mA ΔICC Power Supply Current per Control Input HIGH (2) VCC = Max., BEx = 3.4V, f = 0 2.5 mA ICCD Dynamic Power Supply Current per MHz(3) VCC = Max., A and B pins open 0.25 mA/MHz Control Inputs Toggling at 50% Duty Cycle NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. 2. Per TLL driven input (VIN = 3.4V, control inputs only). A-D 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, VCC = 5.0V ± 5%; CLOAD = 50pF, RLOAD = 500Ω unless otherwise noted. Symbol Parameter tPLH Data Propagation Delay (2,3) tPHL AxBx to CxDx, CxDx to AxBx tPZL Switch Turn-on Delay tPZH BEx to Ax, Bx, Cx, Dx tPLZ Switch Turn-off Delay (2) tPHZ BEx to Ax, Bx, Cx, Dx tBX Switch Multiplex Delay (2) Min. (1) Typ. Max. Unit — — 0.25 ns 1.5 — 6.5 ns 1.5 — 5.5 ns 1.5 — 6.5 ns — 1.5 — pC BX to Ax, Bx, Cx, Dx QCI Charge Injection(4,5) NOTES: 1. Minimums are guaranteed but not production tested. 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 0.25ns for 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. Measured at switch turn off, A to C, load = 50pF in parallel with 10 meg scope probe, VIN at I = 0V. 5. Measured at switch turn off through bus multiplexer, A to C ≥ A to D, B connected to C, load = 50pF in parallel with 10 meg scope probe, VIN at A = 0V. Charge injection is reduced because the injection from the turn off of the A to C switch is compensated by the turn on of the B to C switch. 4 IDTQS34X383 HIGH-SPEED 32-BIT BUS EXCHANGE 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) Q3G 150 mil MilliPaQ - Green 34X383 High Speed 32-Bit Bus Exchange Switch in MillipaQ Datasheet Document History 02/20/09 08/15/12 Pg. 5 Pg. 5 Updated the ordering information by removing the "IDT" notation. Updated the ordering information by removing the non RoHS part and by addingTape and Reel information. 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