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IDT74CBTLV3862 LOW-VOLTAGE 10-BIT BUS SWITCH WITH ACTIVE HIGH AND LOW ENABLES
INDUSTRIAL TEMPERATURE RANGE
LOW-VOLTAGE 10-BIT BUS SWITCH WITH ACTIVE HIGH AND LOW ENABLES
FEATURES:
* * * * * *
IDT74CBTLV3862
5 A/B bi-directional 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 CBTLV3862 provides ten bits of high-speed bus switching with low on-state resistance of the switch allowing connections to be made with minimal propagation delay. The device is organized as one 10-bit bus switch. The switches are controlled by independent active-low enable (OE) and active-high enable (OE) controls. 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, and OE should be tied to GND.
APPLICATIONS:
* 3.3V High Speed Bus Switching and Bus Isolation
FUNCTIONAL BLOCK DIAGRAM
SIMPLIFIED SCHEMATIC, EACH SWITCH
A1
2
SW
22
B1
A10
11
SW
13
A
B10
B
OE OE
1 23
OE OE
INDUSTRIAL TEMPERATURE RANGE
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c 2002 Integrated Device Technology, Inc.
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
APRIL 2002
DSC-5264/1
IDT74CBTLV3862 LOW-VOLTAGE 10-BIT BUS SWITCH WITH ACTIVE HIGH AND LOW ENABLES
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS(1)
Symbol VCC Description Supply Voltage Range Input Voltage Range Continuous Channel Current IIK TSTG Input Clamp Current, VI/O < 0 Storage Temperature Range Max. -0.5 to 4.6 -0.5 to 4.6 128 -50 -65 to +150 Unit V V mA mA C VI
OE A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 GND
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 OE B1 B2 B3 B4 B5 B6 B7 B8 B9 B10
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)
Inputs OE L L H H OE L H L H Disconnect Disconnect A Port = B Port Disconnect Function
SSOP/ QSOP/ TSSOP TOP VIEW
NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level
OPERATING CHARACTERISTICS(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
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IDT74CBTLV3862 LOW-VOLTAGE 10-BIT BUS SWITCH WITH ACTIVE HIGH AND LOW ENABLES
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Operating Condition: 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
NOTES: 1. Typical Values are at VCC = 3.3V, +25C ambient. 2. The increase in supply current is attributable to each input 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.
Parameter Control Inputs, Data I/O Control Inputs, Data I/O Data I/O
Test Conditions VCC = 3V, II = -18mA VCC = 3.6V, VI = VCC or GND VCC = 3.6V, VO = 0V or 3.6V switch disabled VCC = 0V, VI or VO = 0V or 3.6V VCC = 3.6V, IO = 0, VI = VCC or GND
Min. -- -- -- -- -- -- -- -- IO = 64mA IO = 24mA IO = 15mA IO = 64mA IO = 24mA IO = 15mA -- -- -- -- -- --
Typ.(1) -- -- -- -- -- -- 4 6 5 5 27 5 5 10
Max. -1.2 1 5 50 10 300 -- -- 8 8 40 7 7 15
Unit V A A A A A pF pF
Control Inputs Control Inputs
VCC = 3.6V, one input at 3V, other inputs at VCC or GND VI = 3V or 0 VO = 3V or 0 (switch off) VI = 0 VI = 1.7V VI = 0
SWITCHING CHARACTERISTICS
VCC = 2.5V 0.2V Symbol tPD(1) tEN tDIS tEN tDIS Propagation Delay A to B or B to A Output Enable Time OE to A or B Output Disable Time OE to A or B Output Enable Time OE to A or B Output Disable Time OE 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 when driven by an ideal voltage source (zero output impededance).
VCC = 3.3V 0.3V Min. -- 1 1 1 1 Max. 0.25 4.2 5 4.2 6 Unit ns ns ns ns ns
Parameter
Min. -- 1 1 1 1
Max. 0.15 4.5 5 4.5 5
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IDT74CBTLV3862 LOW-VOLTAGE 10-BIT BUS SWITCH WITH ACTIVE HIGH AND LOW ENABLES
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
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION 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 tPZL OUTPUT SWITCH NORMALLY CLOSED LOW tPZH OUTPUT SWITCH NORMALLY OPEN HIGH VLOAD/2 VT tPHZ VT 0V tPLZ ENABLE DISABLE 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 2ns.
NOTE: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
Enable and Disable Times
SWITCH POSITION
Test tPLZ/tPZL tPHZ/tPZH tPD Switch VLOAD GND Open
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IDT74CBTLV3862 LOW-VOLTAGE 10-BIT BUS SWITCH WITH ACTIVE HIGH AND LOW ENABLES
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
XXX XX CBTLV IDT XX Device Type Package Temp. Range
PY Q PG
Shrink Small Outline Package Quarter-size Small Outline Package Thin Shrink Small Outline Package
3862 Low-Voltage 10-Bit Bus Switch
74
-40C to +85C
DATA SHEET DOCUMENT HISTORY 4/10/2002 Changed OE characteristics
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