IDTQS32X2384 INDUSTRIAL TEMPERATURE RANGE HIGH-SPEED CMOS 20-BIT BUS SWITCH QUICKSWITCH PRODUCTS IDTQS32X2384 HIGH-SPEED CMOS 20-BIT BUS SWITCH DESCRIPTION: FEATURES: Enhanced N channel FET with no inherent diode to VCC The QS32X2384 provides a set of twenty high-speed CMOS TTL- Low propagation delay and zero ground bounce compatible bus switches. The QS32x2384 also includes internal 25 25 resistors for low noise series termination resistors to reduce reflection noise in high-speed Undershoot Clamp Diodes on all switch and control Inputs applications. The Bus Enable (BE) signals turn the switches on. Four Bus Four enables control five bits each Enable signals are provided, one for each of five bits of the 20-bit bus. The TTL-compatible input and output levels 384 family of QuickSwitch products is ideal for switching wide digital buses, Available in 48-pin QVSOP package as well as hotplug buffering, and 5V to 3V conversion. The QS32X2384 is characterized for operation at -40C to +85C. APPLICATIONS: 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 FEBRUARY 2011 1 c 2011 Integrated Device Technology, Inc. DSC-5725/4IDTQS32X2384 HIGH-SPEED CMOS 20-BIT BUS SWITCH INDUSTRIAL TEMPERATURE RANGE (1) ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION Symbol Description Max Unit (2) VTERM SupplyVoltage to Ground 0.5 to +7 V (3) VTERM DC Switch Voltage VS 0.5 to +7 V BEA 148 VCC (3) VTERM DC Input Voltage VIN 0.5 to +7 V B0 2 47 B19 VAC AC Input Voltage (pulse width 20ns) 3 V 3 46 IOUT DC Output Current (max. sink current/pin) 120 mA A0 A19 PMAX Maximum Power Dissipation (TA = 85C) 0.5 W A18 A1 4 45 TSTG Storage Temperature 65 to +150 C B1 5 44 B18 NOTES: B2 6 43 B17 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 A2 7 42 A17 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 A3 8 41 A16 conditions for extended periods may affect reliability. 9 2. VCC terminals. B3 40 B16 3. All terminals except VCC . B4 10 39 B15 A4 11 38 A15 GND 12 37 BEB CAPACITANCE (TA = +25C, F = 1MHz, VIN = 0V, VOUT = 0V) BEC VCC 13 36 (1) Pins Typ. Max. Unit 35 B5 14 B14 Control Inputs 3 5 pF A5 15 34 A14 Quickswitch Channels (Switch OFF) 5 7 pF A6 16 33 A13 NOTE: B6 17 32 B13 1. This parameter is guaranteed but not production tested. B7 18 31 B12 A12 A7 19 30 A8 20 29 A11 B8 21 28 B11 (1) FUNCTION TABLE B9 22 27 B10 BEA BEB B0 - B4 B15 - B19 Function 23 A9 26 A10 H H Z Z Disconnect GND 24 25 BED LH A0 - A4 Z Connect HL Z A15 - A19 Connect LL A0 - A4 A15 - A19 Connect QVSOP BEC BED B5 - B9 B10 - B14 Function TOP VIEW H H Z Z Disconnect LH A5 - A9 Z Connect HL Z A10 - A14 Connect LL A5 - A9 A10 - A14 Connect PIN DESCRIPTION NOTE: 1. H = HIGH Voltage Level Pin Names I/O Description L = LOW Voltage Level A0 - A19 I/O Bus A X = Don t care Z = High-Impedence B0 - B19 I/O Bus B BEA I Enable, 0 - 4 BEB I Enable, 15 - 19 BEC I Enable, 5 - 9 BED I Enable, 10 - 14 2