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IDT74CBTLV16214 LOW-VOLTAGE 12-BIT 3:1 MUX / DEMUX BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
LOW-VOLTAGE 12-BIT 3:1 MUX / DEMUX BUS SWITCH
IDT74CBTLV16214
FEATURES:
* * * * * *
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, TSSOP, and TVSOP packages
DESCRIPTION:
The CBTLV16214 provides a set of 12 high-speed buses switching between three separate ports. The low ON resistance allows inputs to be connected to outputs without adding propagation delay. The CBTLV16214 operates as a 12-bit bus select through the data select (S0-S2) terminals.
APPLICATIONS:
* Muxing and demuxing * 3.3V High Speed Bus Switching and Bus Isolation * Hot-swapping, hot-docking
FUNCTIONAL BLOCK DIAGRAM
1A 2
SIMPLIFIED SCHEMATIC, EACH SWITCH
54 1B1
SW
SW
53
1B2
SW
3
1B3
A
12A 27
B
SW
30
12B1
SW
29
12B2
SW
28
12B3
FLOW CONTROL CIRCUITRY
S0
1
S1
56
S2
55
INDUSTRIAL TEMPERATURE RANGE
1
c 2002 Integrated Device Technology, Inc.
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
AUGUST 2002
DSC-5890/5
IDT74CBTLV16214 LOW-VOLTAGE 12-BIT 3:1 MUX / DEMUX BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
S0
1A 1B3 2A 2B3 3A 3B3
ABSOLUTE MAXIMUM RATINGS(1)
Symbol 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
56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 S1 S2
1B1 1B2 2B1 2B2 3B1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
VCC VI
GND
4A 4B3 5A 5B3 6A 6B3 7A 7B3
GND
3B2 4B1 4B2 5B1 5B2 6B1 6B2 7B1 7B2 8B1
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.
PIN DESCRIPTION
Pin Names Sx xA xBx Data Select Inputs Port A Inputs or Outputs Port B Inputs or Outputs Description
VCC
8A
GND
8B3 9A 9B3 10A 10B3 11A 11B3 12A 12B3
GND
8B2 9B1 9B2 10B1 10B2 11B1 11B2 12B1 12B2
FUNCTION TABLE(1)
Inputs S2 L L L L H H H H S1 L L H H L L H H S0 L H L H L H L H Inputs/Outputs A Z B1 B2 Z Z B3 B1 B2 Operation Disconnect A Port = B1 Port A Port = B2 Port Disconnect Disconnect A Port = B3 Port A Port = B1 Port A Port = B2 Port
SSOP/ TSSOP/ TVSOP TOP VIEW
NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level Z = High-Impedance
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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IDT74CBTLV16214 LOW-VOLTAGE 12-BIT 3:1 MUX / DEMUX BUS SWITCH
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) Control Inputs Control Inputs A B Max. at VCC = 2.3V Typ. at VCC = 2.5V RON(3) VCC = 3V VI = 2.4V
NOTES: 1. Typical values are at 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
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 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 IO = 64mA IO = 24mA IO = 15mA IO = 64mA IO = 24mA IO = 15mA
Min. -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
Typ.(1) -- -- -- -- -- -- 4 20 7.5 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
SWITCHING CHARACTERISTICS
VCC = 2.5V 0.2V Symbol tPD(1) tPD tEN tDIS Propagation Delay A to B or B to A Propagation Delay S to A or B Output Enable Time S to A or B Output Disable time S 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 Max. 0.25 6 6 6.5 Unit ns ns ns ns
Parameter
Min. -- 1 1 1
Max. 0.15 6.5 6.5 7
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IDT74CBTLV16214 LOW-VOLTAGE 12-BIT 3:1 MUX / DEMUX BUS 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
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
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 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
4
IDT74CBTLV16214 LOW-VOLTAGE 12-BIT 3:1 MUX / DEMUX BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
XXX XX CBTLV IDT XX Device Type Package Temp. Range
PV PA PF
Shrink Small Outline Package Thin Shrink Small Outline Package Thin Very Small Outline Package
16214
Low-Voltage 12-Bit 3:1 Mux / Demux Bus Switch
74
-40C to +85C
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for Tech Support: logichelp@idt.com (408) 654-6459
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