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PDF IDTQS3VH2861 Data sheet ( Hoja de datos )
| Número de pieza | IDTQS3VH2861 | |
| Descripción | HIGH BANDWIDTH SWITCH | |
| Fabricantes | Integrated Device Technology | |
| Logotipo |  |
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IDTQS3VH2861
2.5V / 3.3V 10-BIT ACTIVE HIGH AND LOW ENABLE, HIGH BANDWIDTH SWITCH
INDUSTRIALTEMPERATURERANGE
QUICKSWITCH® PRODUCTS
2.5V / 3.3V 10-BIT FLOW-THROUGH
PIN OUT, HIGH BANDWIDTH SWITCH
IDTQS3VH2861
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
• 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
• LVTTL-compatible control Inputs
• Undershoot Clamp Diodes on all switch and control Inputs
• Low I/O capacitance, 4pF typical
• 25Ω resistors for low noise and line matching
• Available in QSOP package
APPLICATIONS:
• Hot-swapping
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
DESCRIPTION:
The QS3VH2861 HotSwitch is a high bandwidth bus switch with 10-bit
flow-though pin out. The QS3VH2861, with 25Ω ON resistance and 1.35ns
propagation delay, is ideal for line matching and low noise environments.
The switches are controlled by active low enable (BE) control. 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 small propagation delay, high OFF impedance, and
over-voltage tolerance makes the QS3VH2861 ideal for high performance
communicationsapplications.
The QS3VH2861 is characterized for operation from -40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
A0 B0
A9
BE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2014 Integrated Device Technology, Inc.
1
B9
FEBRUARY 2014
DSC-5897/13
1 page  
IDTQS3VH2861
2.5V / 3.3V 10-BIT ACTIVE HIGH AND LOW ENABLE, 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
tPZH
tPZL
tPHZ
tPLZ
Parameter
Data Propagation Delay(2,3)
Ax to Bx or Bx to Ax
Switch Turn-On Delay
BE to Ax or Bx
Switch Turn-Off Delay
BE to Ax or Bx
Min. (4)
⎯
1.5
1.5
Max. Min. (4)
0.9 ⎯
9 1.5
7.5 1.5
Max.
1.35
8
7.5
fBE 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 1.35ns 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 BE control input (pass voltage > VCC, VIN = 5V, RLOAD ≥ 1MΩ, no CLOAD).
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet IDTQS3VH2861.PDF ] | |
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