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PI3V512
Low On-Resistance, 3.3V Wideband/Video Switch 5-Port, 2:1 Mux/DeMux
Features
* * * * * * * * * * * RON is 4 typical Low bit-to-bit skew: 200ps Low crosstalk: -65dB @ 10MHz Low Current Consumption: 20A Near-Zero propagation delay: 250ps Switching speed: 9ns Channel On-Capacitance: 6pF (typical) VCC Operating Range: +3.0V to +3.6V ESD>2000V . . . Human Body Model High Signal Passing bandwidth (600 MHz) Packaging (Pb-free & Green available): 24-pin QSOP (Q)
Description
Pericom Semiconductor's PI3V512 is a true bi-directional 5-Port 2: 1 multiplexer/demultiplexer with Hi-Z outputs that is recommended for both RGB and composite video switching applications. With the additional 2 ports, vertical and horizontal synchronous signals can be switched in addition to switching the RGB and composite signals between different components, such as DVD, VCR, PCs and etc. The VideoSwitch can be driven from a current output RAMDAC or voltage output composite video source. Low On-Resistance, Low Crosstalk, Low OFF Isolation and wide bandwidth features make it ideal for video and other applications. Industry leading advantages include a propagation delay of less than 250ps, resulting from its low channel resistance and I/O capacitance. The switch is bi-directional and offers little or no attenuation of the high-speed signals at the outputs. The device also has exceptional high current capability which is far greater than most analog switches offered today. The PI3V512 offers a high-performance (600 MHz), low-cost solution to switch between video sources.
Applications
* Projection TV and LCD TV * Video consumer applications * Analog video signal processing
Block Diagram
YA
IA0
Pin Description
VDD YA
IA1
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
IA0 IA1 IB0 IB1
GND VDD YB YC GND YD VDD GND YE SEL
YB
IB0
GND VDD
IC0 ID0 IC1 ID1 IE0 IE1
IB1
YC YD
IC0 ID0 IC1
ID1
YE
IE0
IE1
SEL
1
PS8752A
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PI3V512 Low On-Resistance, 3.3V Wideband/Video Switch 5-Port 2:1 Mux/DeMux Maximum Ratings Truth Table
Function YN to IN0 YN to IN1 SEL L H
(Above which useful life may be impaired. For user guidelines, not tested.) Storage Temperature....................................-65C to +150C Supply Voltage to Ground Potential...............-0.5V to +4.0V DC Input Voltage............................................-0.5V to +5.5V DC Output Current......................................................120mA Power Dissipation...........................................................0.5W
Note: Stresses greater than those listed under 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.
DC Electrical Characteristics for 1000 Base-T Ethernet Switching over Operating Range
(TA = -40C to +85C, VCC = 3.3V 10%) Paramenter VIH VIL VIK IIH IIL IOFF RON RFLAT(ON) RON Input HIGH Voltage Input LOW Voltage Clamp Diode Voltage Input HIGH Current Input LOW Current Power Down Leakage Current Switch On-Resistance(3) On-Resistance Flatness(4) On-Resistance match from center ports to any other port(4) Description Test Conditions Guaranteed HIGH level Guaranteed LOW level VCC = Max., IIN = -18mA VCC = Max., VIN = VCC VCC = Max., VIN = GND VCC = 0V, VA = 0V, VB 3.6 VCC = Min., 1.5V VIN VCC, IIN = -40mA VCC = Min., VIN @ 1.5V and VCC, IIN = -40mA VCC = Min., 1.5V VIN VCC, IIN = -40mA Min. 2 -0.5 Typ.(2) -0.7 4 1 0.9 Max. Units 0.8 -1.2 5 5 8 2 A V
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PI3V512 Low On-Resistance, 3.3V Wideband/Video Switch 5-Port 2:1 Mux/DeMux DC Electrical Characteristics for 10/100 Base-T Ethernet Switching over Operating Range
(TA = -40C to +85C, VCC = 3.3V 10%) Paramenter VIH VIL VIK IIH IIL IOFF RON RFLAT(ON) RON Description Input HIGH Voltage Input LOW Voltage Clamp Diode Voltage Input HIGH Current Input LOW Current Power Down Leakage Current Switch On-Resistance(3) On-Resistance Flatness(4) Test Conditions Guaranteed HIGH level Guaranteed LOW level VCC = Max., IIN = -18mA VCC = Max., VIN = VCC VCC = Max., VIN = GND VCC = 0V, VA = 0V, VB 3.6 VCC = Min., 1.25V VIN VCC, IIN = -10mA to -30mA VCC = Min., VIN @ 1.25V and VCC, IIN = -10mA to -30mA Min. 2.0 -0.5 Typ.(2) -0.7 1.0 0.9 Max. Units 0.8 -1.2 5 5 8 2.0 A V
On-Resistance match from center ports VCC = Min., 1.25V VIN VCC, to any other port(4) IIN = -10mA to -30mA
Capacitance (TA = 25C, f = 1MHz)
Parameters(5) Description Input Capacitance Port I Capacitance, Switch OFF Y/I Capacitance, Switch ON VIN = 0V Test Conditions Typ. 2.0 4.0 6.0 Max. 3.0 6.0 10.0 pF Units CIN COFF(IN0, IN1) CON(Y/I)
Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 3.3V, TA = 25C ambient and maximum loading. 3. Measured by the voltage drop between Y and I pins at indicated current through the switch. On-Resistance is determined by the lower of the voltages on the two (Y & I) pins. 4. This parameter is determined by device characterization but is not production tested.
Power Supply Characteristics
Parameters ICC Description Quiescent Power Supply Current
Test Conditions(1) VCC = Max., VIN = GND or VCC
Min. -
Typ.(2) -
Max. 800
Units A
Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 3.3V, TA = 25C ambient and maximum loading. 3. Per TTL driven input (control inputs only); Y and I pins do not contribute to ICC.
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PS8752A
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PI3V512 Low On-Resistance, 3.3V Wideband/Video Switch 5-Port 2:1 Mux/DeMux Dynamic Electrical Characteristics Over the Operating Range (TA=-40 to +85C, VCC=3.3V10%, GND=0V)
Parameter XTALK OIRR BW Description Crosstalk OFF Isolation Bandwidth -3dB Test Conditions See Test Diagram (f = 10 MHz) See Test Diagram (CL = 0 pF) Min. Typ.(2) -65 -70 600 Max. Units dB MHz
Switching Characteristics
Paramenter tPD tPZH, tPZL tPHZ, tPLZ tSK(o) tSK(p) Propagation Delay(2,3) Description Line Enable Time - SEL to YN, IN Line Disable Time - SEL to YN, IN Output Skew between center port (YC to YD) to any other port(2)
(2)
Min. 0.5 0.5 -
Typ.(2) 0.25 0.1 0.1
Max. 15 9 0.2 0.2
Units
ns
Skew between opposite transitions of the same output (tPHL - tPLH)
Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Guaranteed by design. 3. The bus switch contributes no propagational delay other than the RC delay of the On-Resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.25ns for 10pF load. Since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side.
Bandwidth vs. Capacitance
700 600 3db Bandwidth 500 400 300 200 100 0 0 pf 10 pf 20 pf 30 pf 40 pf 50 pf Capacitance Load
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PI3V512 Low On-Resistance, 3.3V Wideband/Video Switch 5-Port 2:1 Mux/DeMux Test Circuit for Electrical Characteristics(1)
6.0V
VCC
200-ohm
Pulse Generator
VIN RT
D.U.T
VOUT 10pF CL
200-ohm
Notes: 1. CL = Load capacitance: includes jig and probe capacitance. 2. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator 3. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. 4. All input impulses are supplied by generators having the following characteristics: PRR MHz, ZO = 50, tR 2.5ns, tF 2.5ns. 5. The outputs are measured one at a time with one transition per measurement.
Switch Positions
Test tPLZ, tPZL (output on I side) tPHZ, tPZH (output on I side) Prop Delay Switch 6.0V GND Open
Test Circuit for Dynamic Electrical Characteristics
HP4396
S1
R1
T1
VCC
HP11667A
PI3V512
CL
5
PS8752A
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PI3V512 Low On-Resistance, 3.3V Wideband/Video Switch 5-Port 2:1 Mux/DeMux Off Isolation (VCC 3.3V, 25C)
CH2 B/R Log MAG REF= -20dB 10 dB / REF -20 .25-647 dB 500 MHz
10db/div
If BW 100 Hz START 100 kHz
Power 0 dB
SWP 4.302 sec STOP 1 GHz
Crosstalk (VCC 3.3V, 25C)
CH2 B/R Log MAG REF= -20dB 10 dB / REF -20 .25-647 dB 500 MHz
10db/div
If BW 100 Hz START 100 kHz
Power 0 dB
SWP 4.302 sec STOP 1 GHz
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PI3V512 Low On-Resistance, 3.3V Wideband/Video Switch 5-Port 2:1 Mux/DeMux Switching Waveforms
SEL
1.25V
2.5V 1.25V 0V
3.5V Input tPLH 2.5V 2.5V tPHL 2.5V 2.5V
Input A
tPZL
VDD/2
tPLZ
VDD
1.5V
VOL +0.3V
tPZH
tPHZ
VDD/2
VOL
Output
VOH
VOH -0.3V
VOH
1.5V
Output A
VOL
Output B
tPZH
tPHZ
VOH
VDD/2
VDD/2
1.5V
Voltage Waveforms Propagation Delay Times
3.5V Data In at Ax or Ay 2.5V tPLHX tPHLX
1.5V VOH
Voltage Waveforms Enable and Disable Times
3.5V Input tPLH tPHL 2.5V
1.5V VOH
2.5V Data Out at MBx
I tSK(o)
VOL VOH
Data Out at MBy
tPLHy tPHLy
2.5V
VOL
Output tSK(p) = I tPHL - tPLH I
2.5V
VOL
tSK(o) = I tPLHy - tPLHx I or I tPHLy - tPHLx I
Output Skew - tSK(o)
Pulse Skew - tSK(p)
Applications Information
Logic Inputs
The logic control inputs can be driven up to +3.6V regardless of the supply voltage. For example, given a +3.3V supply, the output enables or select pins may be driven low to 0V and high to 3.6V. Driving IN Rail-to-Rail(R) minimizes power consumption.
Power-Supply Sequencing
Proper power-supply sequencing is advised for all CMOS devices. It is recommended to always apply VCC before applying signals to the input/output or control pins.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd
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PS8752A
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PI3V512 Low On-Resistance, 3.3V Wideband/Video Switch 5-Port 2:1 Mux/DeMux Packaging Mechanical: 24-pin QSOP (Q)
24
.008 0.20 MIN.
.150 .157
3.81 3.99
.008 .013 0.20 0.33
Guage Plane
.010 0.254
1
Detail A
.016 .035 0.41 0.89
.041 1.04 REF
0-6
.337 .344
8.56 8.74
.015 x 45 0.38
.033 0.84
.053 .069
1.35 1.75
Detail A
SEATING PLANE
.007 .010
.016 .050
0.406 1.27
0.178 0.254
.025 typical 0.635
.008 0.203 .012 0.305
.004 0.101 .010 0.254
.228 .244 5.79 6.20
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
Ordering Information
Ordering Code PI3V512Q PI3V512QE Package Code Q Q Package Description 24-pin 150 mil wide plastic QSOP Pb-free & Green, 24-pin 150 mil wide plastic QSOP
Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
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PS8752A 11/01/04

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