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PI3CH480
Low Voltage, High-Bandwidth, 4-Channel 2:1 Mux/Demux, NanoSwitchTM
Product Features
* Near-zero propagation delay * 5 switches connect inputs to outputs * High signal passing bandwidth (500MHz) * Beyond Rail-to-Rail switching * 5V I/O tolerant with 3.3V supply * 2.5V and 3.3V supply voltage operation * Hot insertion capable * Industrial operating temperature: -40C to +85C * 2KV ESD Protection (human body model) * Latch-up performance >250mA per JESD17 * Packages available: - 16-pin 150-mil wide plastic QSOP (Q) - 16-pin 173-mil wide plastic TSSOP (L)
Product Description
Pericom Semiconductor's PI3CH series of switch circuits are produced using the Company's advanced sub-micron CMOS technology, achieving industry leading performance. The PI3CH480 is a 4-channel, 2:1 Multiplexer/Demultiplexer with 3-state outputs. The switch introduces no additional ground bounce noise or propagation delay. The PI3CH480 device is very useful in switching signals that have high bandwidth (500MHz).
Pin Configuration

Block Diagram
IA0 IA1 IB0 IB1 IC0 IC1 ID0 ID1

EN
Pin Description
S
Pin Name IAN to IDN S
YA
YB
YC
YD
Description Data Inputs Select Inputs Enable Data Outputs Ground Power
EN YA to YD GND VCC
Truth Table(1)
EN H L L S X L H YA Hi-Z IA0 IA1 YB Hi-Z IB0 IB1 YC Hi-Z IC0 IC1 YD Hi-Z ID0 ID1 Function Disable S=0 S=1
Notes: H=High Voltage Level L=Low Voltage Level
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PS8728A
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PI3CH480 Low Voltage, High-Bandwidth, 4-Channel 2:1 Mux/Demux, NanoSwitchTM Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ................................................ -65C to +150C Ambient Temperature with Power Applied ............... -40C to +85C Supply Voltage to Ground Potential ........................... -0.5V to +4.6V DC Input Voltage ........................................................ -0.5V to +6.0V 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, 3.3V Supply (Over Operating Range, TA = -40C to +85C, VCC = 3.3V 10%)
Parameters VIH VIL VIK IIH IIL IOZH RON Description Input HIGH Voltage Input LOW Voltage Clamp Diode Voltage Input HIGH Current Input LOW Current Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Min., IIN = -18 mA VCC = Max., VIN = VCC VCC = Max., VIN = GND VCC = Min., VIN = 0.0V, ION = 48 mA or -64mA VCC = Min., VIN = 3.6V, ION = -15 mA Min. 2.0 -0.5 -1.3 0.8 -1.8 1 1 1 4 5 6 8 A V Typ(2) Max. Units
High Impedance Output Current 0 Y, IN VCC Switch On Resistance(4)
DC Electrical Characteristics, 2.5V Supply (Over Operating Range, TA = -40C to +85C, VCC = 2.5V 10%)
Parameters(5) VIH VIL VIK IIH IIL IOZH RON Description Input HIGH Voltage Inout LOW Voltage Clamp Diode Voltage Input HIGH Current Input LOW Current High Impedance Switch On Current(3) Test Conditions Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., IIN = -6mA VCC = Max., VIN = VCC VCC = Max., VIN = GND 0 Y, In VCC VCC = Min., VIN =0.0V, ION = -48mA VCC = Min., VIN = 2.25V, ION = -15mA Min. 1.8 -0.3 - - - - - - Typ. - - -0.7 - - - 6 7 Max. VCC + 0.3 0.8 -1.8 1 1 1 8 14 A V Units
Resistance(4)
2
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PI3CH480 Low Voltage, High-Bandwidth, 4-Channel 2:1 Mux/Demux, NanoSwitchTM
Capacitance (TA = 25C f = 1 MHz)
Parameters(5) CIN COFF(IN) COFF(Y) CON Description Input Capacitance In Capacitance, Switch Off Y Capacitance, Switch Off Y/In Capacitance, Switch On VIN = 0V Test Conditions Typ. 3.0 3.5 7.0 10.0 pF Units
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. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. Measured by the voltage drop between Y and In pin at indicated current through the switch. ON resistance is determined by the lower of the voltages on the two (Y, In) pins. 5. This parameter is determined by device characterization but is not production tested.
Power Supply Characteristics
Parameters Description ICC Quiescent Power Supply Current Test Conditions(1) VCC = 3.6V, VIN = GND or VCC Min. Typ.(2) Max. 0.8 Units mA
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at VCC = 3.3V, +25C ambient.
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PS8728A
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PI3CH480 Low Voltage, High-Bandwidth, 4-Channel 2:1 Mux/Demux, NanoSwitchTM
Dynamic Electrical Characteristics Over the Operating Range (TA = -40 to +85, VCC = 3.3V 10%)
Parameter XTALK OIRR BW Description Crosstalk Off-Isolation -3dB Bandwidth Test Condition See Test Diagram See Test Diagram See Test Diagram 200 Min. Typ. -60 -60 500 Max. Units dB MHz
Switching Characteristics over 3.3V Operating Range
Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Description Propogation Delay(2,3) Y to In, In to Y Enable Time S or EN to Y or In See Test Diagram Disable Time S or EN to Y or In 1.5 9.0 Conditions(1) See Test Diagram 1.5 Com. Min. Typ. Max. 0.3 9.0 ns Units
Switching Characteristics over 2.5V Operating Range
Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Description Propogation Delay(2,3) Y to In, In to Y Enable Time S or EN to Y or In See Test Diagram Disable Time S or EN to Y or In 1.5 12.0 Conditions(1) See Test Diagram 1.5 Com. Min. Max. 0.3 15.0 ns Units
Notes: 1. See test circuit and waveforms. 2. This parameter is guaranteed but not tested on Propagation Delays. 3. The 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 0.30ns 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 switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.
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PI3CH480 Low Voltage, High-Bandwidth, 4-Channel 2:1 Mux/Demux, NanoSwitchTM Test Circuit for Electrical Characteristics(1)
6.0V
VCC
200
Pulse Generator
VIN
D.U.T
RT
VOUT 10pF CL
200
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 tPHZ, tPZH Prop Delay Switch 6.0V GND Open
Test Circuit for Dynamic Electrical Characteristics
S1
HP4195A
R1
T1
VCC
HP11667A
D.U.T
10pF 50
5
PS8728A
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PI3CH480 Low Voltage, High-Bandwidth, 4-Channel 2:1 Mux/Demux, NanoSwitchTM Switching Waveforms
ENx
2.5V
1.25V
tPZL
1.25V 0V
3.5V Input tPLH
Output
2.5V
2.5V tPHL 2.5V 2.5V
VOL
Output
tPLZ
VDD/2
tPHZ
VOL +0.3V
VOH
VOL
VOH
1.5V
VOH
Output
tPZH
VDD/2
VOH -0.3V
VOL
Voltage Waveforms Enable and Disable Times
3.5V Input tPLH tPHL 2.5V
1.5V VOH
Output tSK(p) = I tPHL - tPLH I
2.5V
VOL
Pulse Skew - tSK(p)
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PS8728A
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PI3CH480 Low Voltage, High-Bandwidth, 4-Channel 2:1 Mux/Demux, NanoSwitchTM Applications Information Logic Inputs
The logic control inputs can be driven upto 3.6Vregardless of the supply voltage. For example, given a +3.3V supply, EN maybe driven LOW to 0V and HIGH to 3.6V. Driving EN Rail-to-Rail(R) minimizes power consumption.
Power Supply-Sequencing
Proper power supply sequencing is recommended for all CMOS devices. Always apply VCC before applying signals to the input/ output or control pins.
Hot Insertion
For Datacom and Telecom applications that have ten or more volts passing through the backplane, a high voltage from the power supply may be seen at the device input pins during hot insertion. The PI3CHxx devices have maximum limits of 6V and 120mA for 20ns. If the power is higher or applied for a longer time or repeatedly reaches the maximum limits, the devices can be damaged.
Packaging Mechanical: 16-pin QSOP (Q)
16
.008 0.20 MIN.
.150 .157
3.81 3.99
.008 .013 0.20 0.33
Guage Plane
.010 0.254
1
.189 .197 4.80 5.00
.008 0.203 REF
Detail A
.016 .035 0.41 0.89
.041 1.04 REF
0-6
.015 x 45 0.38
.053 1.35 .069 1.75
SEATING PLANE
0.41 .016 1.27 .050
.228 .244 5.79 6.19
Detail A
.007 .010
0.178 0.254
.025 BSC 0.635
.008 .012 0.203 0.305
.004 0.101 .010 0.254
X.XX DENOTES DIMENSIONS IN MILLIMETERS X.XX
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PS8728A
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PI3CH480 Low Voltage, High-Bandwidth, 4-Channel 2:1 Mux/Demux, NanoSwitchTM
Packaging Mechanical: 16-pin TSSOP (L)
16
.169 .177
4.3 4.5
1
.193 .201 4.9 5.1
.004 .008
0.09 0.20
.047 max. 1.20
SEATING PLANE
0.45 .018 0.75 .030
.252 BSC 6.4
.0256 BSC 0.65
.007 .012
.002 .006
0.05 0.15
0.19 0.30
X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS
Ordering Information
Ordering Code PI3CH480Q PI3CH480QE PI3CH480L PI3CH480LE Packaging Code Q Q L L Package Type 150-mil, 16-pin QSOP Pb-free & Green, 150-mil, 16-pin QSOP 173-mil, 16-pin TSSOP Pb-free & Green, 173-mil, 16-pin TSSOP
Notes: 1. Thermal characteristics can be found on the company web site at http://www.pericom.com/packaging/ 2. Number of Transistors = TBD
Pericom Semiconductor Corporation * 1-800-435-2336 *
8
http://www.pericom.com
PS8728A 04/23/04

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