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Integrated Device Technology Electronic Components Datasheet

IDTQS3VH244 Datasheet

2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH

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IDTQS3VH244
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
QUICKSWITCH® PRODUCTS
2.5V / 3.3V 8-BIT HIGH
BANDWIDTH BUS SWITCH
INDUSTRIALTEMPERATURERANGE
IDTQS3VH244
FEATURES:
• N channel FET switches with no parasitic diode to VCC
– Isolation under power-off conditions
– No DC path to VCC or GND
– 5V tolerant in OFF and ON state
• 5V tolerant I/Os
• Low RON - 4Ω typical
• Flat RON characteristics over operating range
• Rail-to-rail switching 0 - 5V
• Bidirectional dataflow with near-zero delay: no added ground
bounce
• Excellent RON matching between channels
• VCC operation: 2.3V to 3.6V
• High bandwidth - up to 500MHz
• LVTTL-compatible control Inputs
• Undershoot Clamp Diodes on all switch and control Inputs
• Low I/O capacitance, 4pF typical
• Available in QSOP and TSSOP packages
APPLICATIONS:
• Hot-swapping
• 10/100 Base-T, Ethernet LAN switch
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
• Bus switching and isolation
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The QS3VH244 HotSwitch is a high bandwidth, 8-bit bus switch. The
QS3VH244 hasverylowONresistance,resultinginunder250pspropagation
delay through the switch. The switches can be turned ON under the control
of the LVTTL-compatible xG signal for bidirectional data flow with no added delay
or ground bounce. In the ON state, the switches can pass signals up to 5V. In
the OFF state, the switches offer very high impedence at the terminals.
The combination of near-zero propagation delay, high OFF impedence, and
over-voltage tolerance makes the QS3VH244 ideal for high performance
communicationsapplications.
The QS3VH244 is characterized for operation from -40°C to +85°C.
1G 2G
1A1 1Y1 2A1
1A2 1Y2 2A2
1A3 1Y3 2A3
1A4 1Y4 2A4
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2013 Integrated Device Technology, Inc.
1
2Y1
2Y2
2Y3
2Y4
MAY 2013
DSC-5894/14


Integrated Device Technology Electronic Components Datasheet

IDTQS3VH244 Datasheet

2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH

No Preview Available !

IDTQS3VH244
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
PIN CONFIGURATION
1G
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
1
2
3
4
5
6
7
8
9
10
20 VCC
19 2G
18 1Y1
17 2A4
16 1Y2
15 2A3
14 1Y3
13 2A2
12 1Y4
11 2A1
QSOP/ TSSOP
TOP VIEW
INDUSTRIALTEMPERATURERANGE
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Description
Max Unit
VTERM(2) SupplyVoltage to Ground
–0.5 to +4.6 V
VTERM(3) DC Switch Voltage VS
–0.5 to +5.5 V
VTERM(3) DC Input Voltage VIN
–0.5 to +5.5 V
VAC AC Input Voltage (pulse width 20ns)
–3 V
IOUT DC Output Current (max. sink current/pin) 120 mA
TSTG Storage Temperature
–65 to +150 °C
NOTES:
1. Stresses greater than those listed under ABSOLUTE 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.
2. VCC terminals.
3. All terminals except VCC .
CAPACITANCE (TA = +25°C, F = 1MHz, VIN = 0V, VOUT = 0V)
Symbol
Parameter(1)
Typ. Max. Unit
CIN Control Inputs
3 5 pF
CI/O Quickswitch Channels (Switch OFF) 4 6 pF
CI/O Quickswitch Channels (Switch ON) 8 12 pF
NOTE:
1. This parameter is guaranteed but not production tested.
PIN DESCRIPTION
Pin Names
Description
xG Output Enable
x A x Data I/Os
x Y x Data I/Os
FUNCTION TABLE(1)
xG
H
L
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
Outputs
Disconnected
xAx = xYx
2


Part Number IDTQS3VH244
Description 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
Maker Integrated Device
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IDTQS3VH244 Datasheet PDF






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