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PDF IDTQS3VH125 Data sheet ( Hoja de datos )
| Número de pieza | IDTQS3VH125 | |
| Descripción | QUICKSWITCH PRODUCTS 2.5V / 3.3V QUAD ACTIVE LOW/ HIGH BANDWIDTH BUS SWITCH | |
| Fabricantes | Integrated Device | |
| Logotipo |  |
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IDTQS3VH125
2.5V / 3.3V QUAD ACTIVE LOW, HIGH BANDWIDTH SWITCH
INDUSTRIALTEMPERATURERANGE
QUICKSWITCH® PRODUCTS
2.5V / 3.3V QUAD ACTIVE LOW,
HIGH BANDWIDTH BUS SWITCH
IDTQS3VH125
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, TSSOP, and SOIC packages
APPLICATIONS:
• Hot-swapping
• 10/100 Base-T, Ethernet LAN switch
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The QS3VH125 is a high bandwidth, Quad bus switch. The QS3VH125
has very low ON resistance, resulting in under 250ps propagation delay
through the switch. The switches can be turned ON under the control of
individual LVTTL-compatible active low Output Enable signals for bidirec-
tional 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 impedance,
and over-voltage tolerance makes the QS3VH125 ideal for high perfor-
mance communications applications.
The QS3VH125 is characterized for operation from -40°C to +85°C.
1A 2A 3A 4A
1OE
2OE
3OE
4OE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2003 Integrated Device Technology, Inc.
1
1Y 2Y 3Y 4Y
MARCH 2003
DSC-5597/5
1 page  
IDTQS3VH125
2.5V / 3.3V QUAD ACTIVE LOW, HIGH BANDWIDTH SWITCH
INDUSTRIALTEMPERATURERANGE
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
TA = -40°C to +85°C
VCC = 2.5 ± 0.2V (1)
VCC = 3.3 ± 0.3V (1)
Symbol
tPLH
tPHL
tPZL
tPZH
tPLZ
tPHZ
Parameter
Data Propagation Delay(2,3)
A to Y
Switch Turn-On Delay
xOE to xA/xY
Switch Turn-Off Delay
xOE to xA/xY
Min. (4)
1.5
1.5
Max. Min. (4)
0.2
8 1.5
7 1.5
Max.
0.2
6.5
7
fxOE OperatingFrequency-Enable(2,5)
10
20
Unit
ns
ns
ns
MHz
NOTES:
1. See Test Conditions under TEST CIRCUITS AND WAVEFORMS.
2. This parameter is guaranteed but not production tested.
3. The bus 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 0.2ns at CL = 50pF. Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to the
system. Propagation delay of the bus 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.
4. Minimums are guaranteed but not production tested.
5. Maximum toggle frequency for xOE control input (pass voltage > VCC, VIN = 5V, RLOAD ≥ 1MΩ, no CLOAD).
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet IDTQS3VH125.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| IDTQS3VH125 | QUICKSWITCH PRODUCTS 2.5V / 3.3V QUAD ACTIVE LOW/ HIGH BANDWIDTH BUS SWITCH | Integrated Device |
| IDTQS3VH126 | QUICKSWITCH PRODUCTS 2.5V / 3.3V QUAD ACTIVE HIGH/ HIGH BANDWIDTH SWITCH | Integrated Device |
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