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Pericom Semiconductor |
PI3CH3345
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8-Bit Bus Switch, 2-Enable High or Low
1.8V/2.5V/3.3V, High-Bandwidth, Hot Plug
Features
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 173-mil wide plastic TSSOP (L)
-20-pin TQFN(ZH)
Pin Configuration
The PI3CH3345 is a Low-voltage, 8-channel switch
designed with fast enables. The switch creates no
additional ground bounce noise or propagation delay.
The PI3CH3345 device has two 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
Pin Description
Pin No
1, 19
2-9
11-18
10
20
Pin Name
1111111
EN, EN
A0-A7
B7-B0
GND
VCC
Description
Switch Enable
A Ports
B Ports
Ground
Power
TSSOP
Block Diagram
TQFN
Truth Table(1)
B0-B7 EN EN
Function
Hi-Z L H
Disconnect
A0-A7 H H
Connect
A0-A7 L L
Connect
A0-A7 H L
Note:
Connect
1. H=High Voltage Level; L=Low Voltage Level
Hi-Z= High Impedance.
2015-07-0018
PT0473-3 08/05/15
1
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PI3CH3345
8-Bit Bus Switch, 2-Enable High or Low
1.8V/2.5V/3.3V, High-Bandwidth, Hot Plug
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Maximum Ratings
StorageTemperature...................................................................................-65oC to +150oC
Ambient Temperaturewith Power Applied........................................–40°C to +85°C
SupplyVoltage to Ground Potential............................................................-0.5Vto +4.6V
DC Input Voltage ............................................................................................-0.5Vto +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 condi-
tions above those indicated in the operational sec-
tions 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 Type(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
IOZH High-Impedance Current
0 ≤ A, B ≤ VCC
- - ±1 μA
RON Switch On-Resistance(3)
VCC = Min., VIN = 0.0V
ION = -48mA or -64mA
VCC = Min., VIN = 3.6V
ION = -15mA
- 46
Ω
- 58
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 (A, B) pins.
2.5V supply (Over operating range, TA = -40 ~ +85ºC, VCC=2.5V±10%, unless otherwise noted)
Symbol
Description
Test Conditions(1)
Min
Type(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
IOZH High-Impedance Current
0 ≤ A, B≤ VCC
- - ±1 μA
RON Switch On-Resistance(3)
VCC = Min., VIN = 0.0V
ION = -48mA
-
48
Ω
VCC = Min., VIN = 2.25V
ION = -15mA
-
7 14
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 (A, B) pins.
2015-07-0018
PT0473-3 08/05/15
2
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