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PI3CH800
LOW Voltage, 5, 8-Channel 2-Port NanoSwitchTM
Features
* * * * * * * * * * * Near-Zero propagation delay 5-ohm 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): - 20-pin 150-mil wide plastic QSOP (Q) - 20-pin 173-mil wide plastic TSSOP (L)
Description
The PI3CH800 is a low voltage, 8-channel switch designed with a fast enable. The switch creates no additional propagational delay or additional ground bounce noise. The PI3CH800 device has an active LOW enable. 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 B0
Pin Configuration

A7
B7
EN

Note: N.C. = No internal connection
Truth Table(1)
Function Disconnect Connect
Notes: 1. H = High Voltage Level L = Low Voltage Level Hi-Z = High Impedance
Pin Description
EN H L A0-A7 Hi-Z B0-B7 Pin Name EN A0 - A7 B0 - B7 GND VCC A Ports B Ports Ground Power Description Switch Enable
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PI3CH800 Low Voltage, 5, 8-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.
DC Electrical Characteristics, 2.5V Supply (Over Operating Range, TA = -40C to +85C, VCC = 2.5V 10%)
Parameters 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.
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PI3CH800 Low Voltage, 5, 8-Channel 2-Port NanoSwitchTM 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. 2.0 3.5 7.0 pF Units
Notes: 1. This parameter is determined by device characterization but is not production tested.
Power Supply Characteristics
Parameters ICC Description
Test Conditions(1)
Min.
Typ.(2)
Max. 0.8
Units mA
Quiescent Power Supply Current VCC = 3.6V, VIN = GND or VCC
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.
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
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PI3CH800 Low Voltage, 5, 8-Channel 2-Port NanoSwitchTM Switching Characteristics over 3.3V Operating Range
Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Description Propogation Delay(2,3) A to B, B to A Enable Time EN to A or B See Test Diagram Disable Time EN to A or B 1.5 9.0 Conditions(1) See Test Diagram 1.5 Com. Min. 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 0.30ns 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.
Switching Characteristics over 2.5V Operating Range
Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Description Propogation Delay(2,3) A to B, B to A Enable Time EN to A or B See Test Diagram Disable Time EN to A or B 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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PI3CH800 Low Voltage, 5, 8-Channel 2-Port NanoSwitchTM Test Circuit for Electrical Characteristics(1)
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-ohm, 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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PI3CH800 Low Voltage, 5, 8-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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PI3CH800 Low Voltage, 5, 8-Channel 2-Port NanoSwitchTM Packaging Mechanical: 20-pin QSOP (Q)
20
.008 0.20 MIN.
.150 .157
3.81 3.99
Guage Plane
.008 .013 0.20 0.33
1
.337 8.56 .344 8.74
.010 0.254
Detail A
.016 .035 0.41 0.89
.041 1.04 REF
0-6
.058 REF 1.47
.053 1.35 .069 1.75 SEATING PLANE
.015 x 45 0.38
Detail A
.007 .010
0.178 0.254
.016 .050
.025 BSC 0.635
0.41 1.27
.008 0.203 .012 0.305
.004 0.101 .010 0.254
.228 .244 5.79 6.19
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
Packaging Mechanical: 20-pin TSSOP (L)

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PI3CH800 Low Voltage, 5, 8-Channel 2-Port NanoSwitchTM
Ordering Information
Ordering Code PI3CH800Q PI3CH800QE PI3CH800L PI3CH800LE Package Code Q Q L L Package Description 20-pin QSOP Pb-free & Green, 20-pin QSOP 20-pin TSSOP Pb-free & Green, 20-pin TSSOP
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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