Datasheet

PI3CH800
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8-Bit Bus Switch, Enable Low 1.8V/2.5V/3.3V,
High-Bandwidth, Hot Plug
Features
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Description
Near-Zero propagation delay
5-ohm switches connect inputs to outputs
High signal passing bandwidth (500 MHz)
Beyond Rail-to-Rail switching
0 to 5V switching with 3.3V power supply
0 to 3.3V switching with 2.5V power supply
5V I/O tolerant with supply in OFF and ON state
1.8V, 2.5V and 3.3V supply voltage operation
Hot Insertion Capable
Industrial Operating Temperature: –40ºC to +85ºC
8kV ESD Protection (human body model)
Latch-up Performance: >200mA per JESD17
Packaging (Pb-free & Green available):
-20-pin 150-mil wide plastic QSOP (Q)
-20-pin 173-mil wide plastic TSSOP (L)
-20-pin TQFN
The PI3CH800 is a low voltage, 8-channel switch
designed with fast individual enables. The switch
introduces no additional ground bounce noise or
additional propagation delay.
The PI3CH800 device has active low enables. It is
very useful in switching signals that have high
bandwidth (500 MHz).
Applications
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Pin Configuration
High Bandwidth Data Switching
Hot-Docking
Analog Signal Switching
Differential Signal Switching
Block Diagram
TSSOP
QSOP
TQFN
Truth Table(1)
Pin Description
Pin No
19
2, 3, 4, 5, 6,
7, 8, 9
Pin Name
EN
Description
Switch Enables
A0-A7
A Ports
7
GND
Ground
11, 12, 13,
14, 15, 16,
17, 18
B0-B3
B Ports
20
VCC
Power
1111111
EN
H
L
Note:
Ax
Hi-Z
Disconnect
Bx
Connect
Function
1. H=High Voltage Level; L=Low Voltage Level;
Hi-Z=High Impedance
2015-07-0020
PT0477-3
1
08/05/15
PI3CH800
8-Bit Bus Switch, Enable Low 1.8V/2.5V/
3.3V, High-Bandwidth, Hot Plug
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Maximum Ratings
Storage Temperature ................................................................................... -65oC to +150oC
Ambient Temperature with Power Applied........................................–40°C to +85°C
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 = -40 ~ +85ºC, VCC=3.3V±10%, unless otherwise noted)
Symbol
Description
Test Conditions(1)
Min
Typ(2)
Max
Unit
VIH
Control Input HIGH Voltage
Guaranteed Logic HIGH Level
2.0
-
-
V
VIL
Control Input LOW Voltage
Guaranteed Logic LOW Level
-0.5
-
0.8
V
VIK
Clamp Diode Voltage
VCC = Min., IIN = -18mA
-
-1.3
-1.8
V
IIH
Input HIGH Current
VCC = Max., VIN = VCC
-
-
±1
μA
IIL
Input Low Current
VCC = Max., VIN = GND
-
-
±1
μA
0 ≤ A, B ≤ VCC
VCC = Min., VIN = 0.0V
ION = -48mA or -64mA
VCC = Min., VIN = 3.6V
ION = -15mA
-
-
±1
μA
-
4
6
-
5
8
IOZH
High-Impedance Current
RON
Switch On-Resistance(3)
Ω
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 = 25°C 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 (Ax, Bx) pins.
2.5V supply (Over operating range, TA = -40 ~ +85ºC, VCC=2.5V±10%, unless otherwise noted)
Symbol
Description
Test Conditions(1)
Min
Typ(2)
Max
Unit
VIH
Control Input HIGH Voltage
Guaranteed Logic HIGH Level
1.8
-
VCC+0.3
V
VIL
Control Input LOW Voltage
Guaranteed Logic LOW Level
-0.3
-
0.8
V
VIK
Clamp Diode Voltage
VCC = Max., IIN = -6mA
-
-0.7
-1.8
V
IIH
Input HIGH Current
VCC = Max., VIN = VCC
-
-
±1
μA
IIL
Input Low Current
VCC = Max., VIN = GND
-
-
±1
μA
-
-
±1
μA
-
4
8
-
7
14
IOZH
High-Impedance Current
RON
Switch On-Resistance(3)
0 ≤ A, B ≤ VCC
VCC = Min., VIN = 0.0V
ION = -48mA
VCC = Min., VIN = 2.25V
ION = -15mA
Ω
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 = 2.5V, TA = 25°C 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 (Ax, Bx) pins.
2015-07-0020
PT0477-3
2
08/05/15
PI3CH800
8-Bit Bus Switch, Enable Low 1.8V/2.5V/
3.3V, High-Bandwidth, Hot Plug
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1.8V supply (Over operating range, TA = -40 ~ +85ºC, VCC=1.8V±10%, unless otherwise noted)
Symbol
Test Conditions(1)
Description
Min
Typ(2)
Max
Unit
VIH
Control Input HIGH Voltage
Guaranteed Logic HIGH Level
1.2
-
VCC+0.3
V
VIL
Control Input LOW Voltage
Guaranteed Logic LOW Level
-0.3
-
0.6
V
VIK
Clamp Diode Voltage
VCC = Max., IIN = -6mA
-
-0.7
-1.8
V
IIH
Input HIGH Current
VCC = Max., VIN = VCC
-
-
±1
μA
IIL
Input Low Current
VCC = Max., VIN = GND
-
-
±1
μA
-
-
±1
μA
-
4
8
-
10
25
IOZH
High-Impedance Current
RON
Switch On-Resistance(3)
0 ≤ A, B ≤ VCC
VCC = Min., VIN = 0.0V
ION = -48mA
VCC = Min., VIN = 2.25V
ION = -15mA
Ω
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 = 1.8V, TA = 25°C 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 (Ax, Bx) pins.
Capacitance (TA = 25ºC, f=1MHz)
Symbol(1)
Description
Typ(2)
Test Conditions
CIN
Input Capacitance
COFF
A/B Capacitance, Switch Off
CON
A/B Capacitance, Switch On
Unit
2.0
VIN = 0V
3.5
pF
7.0
Note:
1. These parameters are determined by device characterization but are not production tested
Power Supply Characteristics
Test Conditions(1)
Symbol
Description
ICC
Quiescent Power Supply Current
VCC = 3.6V, VIN = GND or VCC
Min
Typ
Max
Unit
-
0.2
0.5
mA
Note:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at +25°C ambient
Dynamic Electrical Characteristics
(Over Operating Range, TA = -40 ~ +85ºC, VCC=3.3V±10%)
Symbol
Description
Test Conditions
Min
Typ
Max
XTALK
Crosstalk
10MHz
-
-60
-
OIRR
Off-Isolation
10MHz
-
-60
-
BW
-3dB Bandwidth
See test Diagram
-
500
-
Unit
dB
MHz
Switch Characteristics
Over 3.3V Operating Range
Symbol
tPLH, tPHL
Test Conditions(1)
Description
(2, 3)
Propagation Delay
Ax to Bx, Bx to Ax
Min
Typ
Max
See test Diagram
-
-
0.3
tPZH, tPZL
Enable Time EN to Ax or Bx
See test Diagram
1.5
-
9.0
tPHZ, tPLZ
Disable Time EN to Ax or Bx
See test Diagram
1.5
-
9.0
2015-07-0020
PT0477-3
3
Unit
ns
08/05/15
PI3CH800
8-Bit Bus Switch, Enable Low 1.8V/2.5V/
3.3V, High-Bandwidth, Hot Plug
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Note:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The switch contributes no propagation 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 propagation delay to the system. Propagation 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.
Over 2.5V Operating Range
Symbol
tPLH, tPHL
Test Conditions(1)
Description
(2, 3)
Propagation Delay
Ax to Bx, Bx to Ax
Min
Typ
Max
See test Diagram
-
-
0.3
tPZH, tPZL
Enable Time EN to Ax or Bx
See test Diagram
1.5
-
15.0
tPHZ, tPLZ
Disable Time EN to Ax or Bx
See test Diagram
1.5
-
12.0
Unit
ns
Note:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The switch contributes no propagation 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 propagation delay to the system. Propagation 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.
Over 1.8V Operating Range
Test Conditions(1)
Symbol
Description
Min
Typ
Max
tPLH, tPHL
Propagation Delay(2, 3) Ax to Bx, Bx to Ax
See test Diagram
-
-
0.3
tPZH, tPZL
Enable Time EN to Ax or Bx
See test Diagram
1.5
-
25.0
tPHZ, tPLZ
Disable Time EN to Ax or Bx
See test Diagram
1.5
-
12.0
Unit
ns
Note:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The switch contributes no propagation 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 propagation delay to the system. Propagation 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.
Test Circuit for Electrical Characteristics
6.0V
VCC
200Ω
Pulse
Generator
VIN
VOUT
D.U.T
RT
10pF
CL
200Ω
Notes:
1. CL = Load capacitance: includes jig and probe capacitance.
2. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator
3. All input impulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50-ohm, tR ≤ 2.5ns, tF ≤ 2.5ns.
4. The outputs are measured one at a time with one transition per measurement.
2015-07-0020
PT0477-3
4
08/05/15
PI3CH800
8-Bit Bus Switch, Enable Low 1.8V/2.5V/
3.3V, High-Bandwidth, Hot Plug
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Switch Positions
Test
Switch
tPLZ, tPZL
6.0V
tPHZ, tPZH
GND
Prop Delay
Open
Test Circuit for Dynamic Electrical Characteristics
Switching Waveforms
Voltage Waveforms Enable and Disable Times
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, EN
may be driven LOW to 0V and HIGH to 3.6V. Driving EN Rail-to-Rail® minimizes power consumption.
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 PI3CH400 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.
2015-07-0020
PT0477-3
5
08/05/15
PI3CH800
8-Bit Bus Switch, Enable Low 1.8V/2.5V/
3.3V, High-Bandwidth, Hot Plug
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Mechanical Information
20-Pin TSSOP(L)
2015-07-0020
PT0477-3
6
08/05/15
PI3CH800
8-Bit Bus Switch, Enable Low 1.8V/2.5V/
3.3V, High-Bandwidth, Hot Plug
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20-Pin TQFN(ZH)
2015-07-0020
PT0477-3
7
08/05/15
PI3CH800
8-Bit Bus Switch, Enable Low 1.8V/2.5V/
3.3V, High-Bandwidth, Hot Plug
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20-Pin QSOP(Q)
Ordering Information
Package Cede
Part No.
Package
Lead free and Green 20-Pin TSSOP ,
Tape & Reel
Lead free and Green 20-Pin QSOP
Lead free and Green 20-Pin QSOP,
Tape & Reel
Lead free and Green 20-Pin TQFN, Tape &
Reel
L
PI3CH800LEX
PI3CH800QE
Q
Q
PI3CH800QEX
ZH
PI3CH800ZHEX
Note:

E = Pb-free & Green

Adding X Suffix= Tape/Reel
Pericom Semiconductor Corporation  1-800-435-2336  www.pericom.com
Pericom reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply
the best possible product. Pericom does not assume any responsibility for use of any circuitry described other than the circuitry embodied in Pericom product. The
company makes no representations that circuitry described herein is free from patent infringement or other rights, of Pericom.
2015-07-0020
PT0477-3
8
08/05/15