IDT IDT74CVTLV3384 handbook
Contents
1. The IDT logois a registered trademark of Integrated Device Technology Inc INDUSTRIAL TEMPERATURE RANGE SEPTEMBER 2001 2001 Integrated Device Technology Inc DSC 5742 4 IDT74CBTLV3384 LOW VOLTAGE 10 BIT BUS SWITCH INDUSTRIAL TEMPERATURE RANGE PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS Symbol Descripton Wa Umt SupplyVoltage Range 0 5 to 4 6 SS OCJ Input Voltage Range 0 5 to 4 6 10E 1 24 Vcc __ Continuous Channel Current 1B1 2 23 2B5 Input Clamp Current Vo lt 0 L TsTG Storage Temperature 65 to 150 C tar 8 20 245 a e NOTE 1A2 4 21 2A4 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 1B2 _ 5 20 2B4 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 1B3 6 19 2B3 conditions for extended periods may affect reliability 1A3 7 18 2A3 1A4 8 17 2A2 1B4 9 16 2B2 FUNCTION TABLE 1B5 10 15 2B1 i OOo o i o O Inputs Outputs a E il oe eo 10E 20E BBs aB1 2Bs_ GND _ 12 13 __ 20E SSOP QSOP TSSOP TOP VIEW NOTE 1 H HIGH Voltage Level L LOW Voltage Level Z High Impedance OPERATING CHARACTERISTICS TA 252. C Symbol Test Conditions Mn we Vcc Supply Voltage VIH High Level Control Input Voltage Vcc 2 3V to 2 7V Vcc 2 7V to 3 6V VIL Low Level Control Input Voltage Vcc 2 3V to 2 7V Vcc 2 7V to 3 6V TA Operating Free Air Temperature NOTE 1 All unused control inputs of the device must be held at Vcc or GND to ensure proper device operation IDT74CBTLV3384 LOW VOLTAGE 10 BIT BUS SWITCH INDUSTRIAL TEMPERATURE RANGE DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified Operating Conditions TA 40 C to 85 C Typ ae ee E 1 Contes Daw voc zasv vever CS tox baat Svea VOOR sch SSCs C a 6 a a 60 i Cai Conas Voo 86 ore notata abernpasavooereno _ _ OY e wm one O Max al Voo 2 00 an Typ at Vcc 2 5V jlo 24mA wow foma E 2 Vi 0 lo 64mA Vcc 3V lo 24mA VI 2 4V lo 15mA 10 NOTES 1 The increase in supply current is attributable to each current that is at the specified voltage level rather than Vcc or GND 2 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 RON Oo 1 SWITCHING CHARACTERISTICS Symbol Parameter tro Propagation Delay el ee Output Enable Time OE toAorB Output Disable Time OE to A or B NOTE 1 The propa
3. Green 3384 Low Voltage 10 Bit Bus Switch 74 40 C to 85 C CORPORATEHEADQUARTERS for SALES for Tech Support f D DT 6024 Silver Creek Valley Road 800 345 7015 or 408 284 8200 logichelp idt com San Jose CA 95138 fax 408 284 2775 www idt com
4. 2 74 IDT74C BTLV 338444 hy A LOW VOLTAGE 10 BIT IDT74CBTLV3384 ID BUS SWITCH DESCRIPTION The CBTLV3384 is a ten bit high speed bus switch with low on state resistance of the switch allowing connections to be made with minimal propagation delay The device is organized as dual 5 bit bus switches with separate output enable OE inputs to allow use as two 5 bit bus switches or one 10 bit bus switch When OE is low the associated 5 bit bus switch is on andA portis connected to B port When OE is high the switch is open and a high impedance state exists between the two ports To ensure the high impedance state during power up or power down OE should be tied to Vcc through a pullup resistor the minimum value of the resistor is determined by the current sinking capability of the driver FEATURES 5Q 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 gt 2000V per MIL STD 883 Method 3015 gt 200V using machine model C 200pF R 0 Available in SSOP QSOP and TSSOP packages APPLICATIONS 3 3V High Speed Bus Switching and Bus Isolation FUNCTIONAL BLOCK DIAGRAM SIMPLIFIED SCHEMATIC EACH SWITCH 3 2 1A1 SW 1B1 a D gt z pee 2A1 SW 2B1 e e e e 10 2A5 SW 2B5 o 20E o
5. gation 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 IDT74CBTLV3384 LOW VOLTAGE 10 BIT BUS SWITCH INDUSTRIAL TEMPERATURE RANGE TEST CIRCUITS AND WAVEFORMS SAME PHAS CZ TE S T C NDITI N S INPUT TRANSITION TAS E ov OUTPUT VoH tPLH ViH OPPOSITE PHASE INPUT TRANSITION Propagation Delay w ES ENABLE DISABLE Open CONTROL A 5009 GND INPUT aw tPZL lt Pulst 2 V Vout Generator O D U T OUTPUT co VLOAD 2 SWITCH NORMALLY 6 OSED VoL Viz LOW RT TeL 09e tPZH lt VoL 7 NORMALLY gpen YT TN VoH VHz HIGH oV ov Test Circuits for All Outputs 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 lt 10MHz tF lt 2 5ns tR lt 2 5ns 2 Pulse Generator for All Pulses Rate lt 10MHz tF lt 2ns tR lt 2 5ns SWITCH POSITION IDT74CBTLV3384 LOW VOLTAGE 10 BIT BUSSWITCH INDUSTRIAL TEMPERATURE RANGE ORDERINGINFORMATION IDT XX CBILV XXX XX Temp Range Device Type Package PY Shrink Small Outline Package Q Quarter size Small Outline Package QG QSOP Green PG Thin Shrink Small Outline Package PGG TSSOP
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IDT IDT74CVTLV3384 handbook