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| IDT74CBTLV3383 LOW-VOLTAGE 10-BIT BUS-EXCHANGE SWITCH INDUSTRIAL TEMPERATURE RANGE LOW-VOLTAGE 10-BIT BUS-EXCHANGE SWITCH IDT74CBTLV3383 FEATURES: * * * * * * 5 A/B bi-directional bus switch Isolation under power-off conditions Over-voltage tolerant Latch-up performance exceeds 100mA VCC = 2.3V - 3.6V, Normal Range ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) * Available in SSOP, QSOP and TSSOP packages DESCRIPTION: The CBTLV3383 provides ten bits of high-speed bus switching or exchanging with low on-switch resistance of the switch allowing connections to be made with minimal propagation delay. The device operates as a 10-bit bus switch or a 5-bit bus exchanger, which provides swapping of the A and B pairs of signals. The bus-exchange function is selected when BX is high and BE is low. APPLICATIONS: * 3.3V High Speed Bus Switching and Bus Isolation * Crossbar Switching FUNCTIONAL BLOCK DIAGRAM 2 SIMPLIFIED SCHEMATIC, EACH SWITCH 1A1 3 SW 1B1 SW SW 1A2 4 5 SW 1B2 A B 5A 1 21 SW 20 5B 1 SW SW CONTROL CIRCUITRY 23 5A2 22 SW 5B2 BE BX 1 13 The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE 1 AUGUST 2002 DSC-5738/5 (c) 2002 Integrated Device Technology, Inc. IDT74CBTLV3383 LOW-VOLTAGE 10-BIT BUS-EXCHANGE SWITCH INDUSTRIAL TEMPERATURE RANGE PIN CONFIGURATION BE 1B 1 1A 1 1A 2 1B 2 2B 1 2A 1 2A 2 2B 2 3B 1 3A 1 ABSOLUTE MAXIMUM RATINGS(1) Symbol VCC Description SupplyVoltage Range Input Voltage Range Continuous Channel Current IIK TSTG Input Clamp Current, VI/O < 0 Storage Temperature Max -0.5 to +4.6 -0.5 to +4.6 128 -50 -65 to +150 Unit V V mA mA C 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC 5B 2 5A 2 5A 1 5B 1 4B 2 4A 2 4A 1 4B 1 3B 2 3A 2 VI 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. FUNCTION TABLE(1) Input BE L L H NOTE: 1. H = HIGH Voltage Level X = Don't Care L = LOW Voltage Level Z = High Impedance Inputs/Outputs BX L H X 1A1 - 5A1 1B1 - 5B1 1B2 - 5B2 1A2 - 5A2 1B2 - 5B2 1B1 - 5B1 GND BX Z Z SSOP/ QSOP/ TSSOP TOP VIEW OPERATING CHARACTERISTICS, TA = 25C(1) Symbol VCC VIH VIL TA Parameter Supply Voltage High-Level Control Input Voltage Low-Level Control Input Voltage Operating Free-Air Temperature VCC = 2.3V to 2.7V VCC = 2.7V to 3.6V VCC = 2.3V to 2.7V VCC = 2.7V to 3.6V NOTE: 1. All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Test Conditions Min. 2.3 1.7 2 -- -- -40 Max. 3.6 -- -- 0.7 0.8 85 Unit V V V C 2 IDT74CBTLV3383 LOW-VOLTAGE 10-BIT BUS-EXCHANGE SWITCH INDUSTRIAL TEMPERATURE RANGE DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Operating Conditions: TA = -40C to +85C Symbol VIK II IOZ IOFF ICC ICC(2) CI CIO(OFF) VCC = 2.3V Typ. at VCC = 2.5V RON(3) VCC = 3V VI = 2.4V Control Inputs Control Inputs Parameter Control Inputs, Data Inputs Control Inputs Data I/O VCC = 3V, II = -18mA VCC = 3.6V, VI = VCC or GND VCC = 3.6V, VO = 0 or 3.6V, switch disabled VCC = 0, VI or VO = 0 to 3.6V VCC = 3.6V, IO = 0, VI = VCC or GND VCC = 3.6V, one input at 3V, other inputs at VCC or GND VI = 3V or 0 VO = 3V or 0, BE = VCC VI = 0 VI = 1.7V VI = 0 IO = 64mA IO = 24mA IO = 15mA IO = 64mA IO = 24mA IO = 15mA Test Conditions Min. -- -- -- -- -- -- -- -- -- -- -- -- -- -- Typ.(1) -- -- -- -- -- -- 3.5 13.5 5 5 27 5 5 10 Max. -1.2 1 5 10 10 300 -- -- 8 8 40 7 7 15 Unit V A A A A A pF pF NOTES: 1. Typical values are at VCC = 3.3V, +25C ambient. 2. The increase in supply current is attributable to each current that is at the specified voltage level rather than VCC or GND. 3. This is measured by the voltage drop between the A and B terminals at the indicated current through the switch. On-state resistance is determined by the lower of the voltages of the two (A or B ) terminals. SWITCHING CHARACTERISTICS VCC = 2.5V 0.2V Symbol tPD(1) tPD tEN tDIS Parameter Propagation Delay A to B or B to A Propagation Delay BX to A or B Output Enable Time BE to A or B Output Disable Time BE to A or B NOTE: 1. The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance driven by an ideal voltage source (zero output impedance). VCC = 3.3V 0.3V Max. 0.15 5.8 5.3 6 Min. - 1.5 1.5 1 Typ. - - - - Max. 0.25 4.7 4.7 6 Unit ns ns ns ns Min. - 1.5 1.5 1 Typ. - - - - 3 IDT74CBTLV3383 LOW-VOLTAGE 10-BIT BUS-EXCHANGE SWITCH INDUSTRIAL TEMPERATURE RANGE TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS Symbol VLOAD VIH VT VLZ VHZ CL VCC(1)= 3.3V0.3V 6 3 1.5 300 300 50 VCC(2)= 2.5V0.2V 2 x Vcc Vcc Vcc / 2 150 150 30 Unit V V V mV mV pF OPPOSITE PHASE INPUT TRANSITION SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH tPHL tPHL VIH VT 0V VOH VT VOL VIH VT 0V Propagation Delay VCC 500 Pulse(1, 2) Generator VIN D.U.T. RT 500 CL VOUT VLOAD Open GND CONTROL INPUT ENABLE DISABLE tPZL OUTPUT SWITCH NORMALLY CLOSED LOW tPZH OUTPUT SWITCH NORMALLY OPEN HIGH VLOAD/2 VT tPHZ VT 0V tPLZ VIH VT 0V VLOAD/2 VOL + VLZ VOL VOH VOH -VHZ 0V Test Circuits for All Outputs 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 2.5ns. Enable and Disable Times SWITCH POSITION Test tPLZ/tPZL tPHZ/tPZH tPD Switch VLOAD GND Open 4 IDT74CBTLV3383 LOW-VOLTAGE 10-BIT BUS-EXCHANGE SWITCH INDUSTRIAL TEMPERATURE RANGE ORDERING INFORMATION IDT XX CBTLV XXX Device Type XX Package Temp. Range PY Q PG Shrink Small Outline Package Quarter-size Small Outline Package Thin Shrink Small Outline Package 3383 Low-Voltage 10-Bit Bus Exchange Switch 74 -40C to +85C CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 for SALES: 800-345-7015 or 408-727-6116 fax: 408-492-8674 www.idt.com for Tech Support: logichelp@idt.com (408) 654-6459 5 |
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