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PI3CH400
Low Voltage, 5, 4-Channel 2-Port NanoSwitchTM
Features
* Near-Zero propagation delay * * * * * * * * * * 5 switches connect inputs to outputs High signal passing bandwidth (500 MHz) Beyond Rail-to-Rail switching 5V I/O tolerant with 3.3V supply in OFF and ON state 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 Packaging (Pb-free & Green available): - 16-pin TSSOP (L) - 16-pin QSOP (Q)
Description
The PI3CH400 is a low voltage, 4-channel switch designed with fast indiviual enables. The switch introduces no additional propagation delay or additional ground bounce noise. The PI3CH400 device has active LOW enables. It is very useful in switching signals that have high bandwidth (500 MHz).
Applications
* * * * High Bandwidth Data Switching Hot-Docking Analog Signal Switching Differential Signal Switching
Block Diagram
A0 EN0 A1 EN1 A2 EN2 A3 EN3
Pin Configuration
B0
B1

B2
B3
Notes: 1. N.C. = No internal connection
Truth Table(1)
ENx X(2) H L Ax Hi-Z Hi-Z Bx Bx Hi-Z Hi-Z Ax VCC GND VCC VCC Function Disconnect Disconnect Connect
Pin Description
Pin Name ENx A3 - A0 B3 - B0 GND VCC Description Switch Enable A Ports B Ports Ground Power
Notes: 1. H = High Voltage Level L = Low Voltage Level Hi-Z = High-Impedance 2. A pull-up resistor should be provided for power-up protection.
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PI3CH400 Low Voltage, 5, 4-Channel 2-Port 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 High-Impedence Current Switch On-Resistance(3) Test Conditions(1) Min. 2 -0.5 -1.3 0.8 -1.8 1 1 1 4 5 6 8 A V Typ.(2) Max. Units Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Min., IIN = -18mA VCC = Max., VIN = VCC VCC = Max., VIN = GND 0 A, B VCC VCC = Min.,VIN = 0V ION = -48mA or -64mA VCC = Min., VIN = 3.6V, ION = -15mA
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 A and B pin at indicated current through the switch. On-Resistance is determined by the lower of the voltages on the two (A,B) pins.
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PI3CH400 Low Voltage, 5, 4-Channel 2-Port NanoSwitchTM DC Electrical Characteristics, 2.5V Supply (Over Operating Range, TA = -40C to +85C, VCC = 2.5V 10%)
Parameters(4) 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 Current Switch On-Resistance(3) Test Conditions(1) Min. 1.8 -0.3 -0.7 Typ.(2) Max. VCC + 0.3 0.8 -1.8 1 1 1 4 7 8 14 A V Units Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., IIN = -6mA VCC = Max., VIN = VCC VCC = Max., VIN = GND 0 A, B VCC VCC = Min., VIN = 0V, ION = -48mA VCC = Min., VIN = 2.25V, ION = -15mA
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 A and B pin at indicated current through the switch. On-Resistance is determined by the lower of the voltages on the two (A,B) pins. 4. This parameter is determined by device characterization but is not production tested.
Capacitance (TA = 25C f = 1 MHz)
Parameters(1) CIN COFF CON Description Input Capacitance A/B Capacitance, Switch Off A/B Capacitance, Switch On VIN = 0V Test Conditions Typ. 1.8 3.0 6.4 pF Units
Notes: 1. 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 = 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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PI3CH400 Low Voltage, 5, 4-Channel 2-Port 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 10 MHz 10 MHz 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 Propagation Delay(2,3) Ax to Bx, Bx to Ax Enable Time ENx to Ax or Bx See Test Diagram Disable Time ENx to Ax or Bx 1.5 9.0 Conditions(1) See Test Diagram 1.5 Com. Min. Typ. Max. 0.3 9.0 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 0.25ns 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 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.
Switching Characteristics over 2.5V Operating Range
Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Description Propagation Delay(2,3) Ax to Bx, Bx to Ax Enable Time ENx to Ax or Bx See Test Diagram Disable Time ENx to Ax or Bx 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 0.25ns 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 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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PI3CH400 Low Voltage, 5, 4-Channel 2-Port NanoSwitchTM Test Circuit for Electrical Characteristics
6.0V
VCC
200 Pulse Generator
VIN
D.U.T
RT
VOUT 10pF CL
200
Notes: * CL = Load capacitance: includes jig and probe capacitance. * RT = Termination resistance: should be equal to ZOUT of the Pulse Generator * All input impulses are supplied by generators having the following characteristics: PRR 10 MHz, ZO = 50, tR 2.5ns, tF 2.5ns. * 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
HP4396A
R1
T1
VCC
HP11667A
D.U.T
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PI3CH400 Low Voltage, 5, 4-Channel 2-Port NanoSwitchTM
Switching Waveforms
ENx
2.5V 1.25V
tPZL
1.25V 0V
3.5V Input tPLH Output 2.5V 2.5V 2.5V tPHL 2.5V VOL 1.5V VOH
Output
tPLZ
VDD/2
tPHZ
VOL +0.3V
VOH
VOL VOH
tPZH Output
VDD/2
VOH -0.3V VOL
Voltage Waveforms Enable and Disable Times
Applications Information Logic Inputs
The logic control inputs can be driven upto 3.6V regardless of the supply voltage. For example, given a +3.3V supply, EN may be 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.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
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PI3CH400 Low Voltage, 5, 4-Channel 2-Port NanoSwitchTM 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 .004 0.101 .010 0.254
0.41 .016 1.27 .050
Detail A
.007 .010
0.178 0.254
.025 BSC 0.635
.008 .012 0.203 0.305
.228 .244 5.79 6.19
X.XX DENOTES DIMENSIONS IN MILLIMETERS X.XX
Packaging Mechanical: 16-pin TSSOP (L)
16
.169 .177
4.3 4.5
1
.193 .201 4.9 5.1
.004 .008
.047 max. 1.20
0.09 0.20
0.45 .018 0.75 .030
SEATING PLANE
.252 BSC 6.4
.0256 BSC 0.65
.007 .012 0.19 0.30
.002 .006
0.05 0.15
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PI3CH400 Low Voltage, 5, 4-Channel 2-Port NanoSwitchTM
Ordering Information
Ordering Code PI3CH400L PI3CH400LE PI3CH400Q PI3CH400QE Packaging Code L L Q Q Package Description 170-mil, 16-pin TSSOP Pb-free & Green, 170-mil, 16-pin TSSOP 150-mil, 16-pin QSOP Pb-free & Green, 150-mil, 16-pin QSOP
Notes: * Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ * E = Pb-free & Green * Adding an X suffix = Tape/Reel
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
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