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PDF IDTQS3VH16210 Data sheet ( Hoja de datos )
| Número de pieza | IDTQS3VH16210 | |
| Descripción | HIGH BANDWIDTH BUS SWITCH | |
| Fabricantes | Integrated Device Technology | |
| Logotipo |  |
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IDTQS3VH16210
2.5V / 3.3V 20-BIT 2 PORT, HIGH BANDWIDTH BUS SWITCH
QUICKSWITCH® PRODUCTS
2.5V / 3.3V 20-BIT 2-PORT, HIGH
BANDWIDTH BUS SWITCH
INDUSTRIALTEMPERATURERANGE
IDTQS3VH16210
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 500 MHz
• LVTTL-compatible control Inputs
• Undershoot Clamp Diodes on all switch and control Inputs
• Low I/O capacitance, 4pF typical
• Available in TSSOP package
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 QS3VH16210 HotSwitch with 20-bit flow-though pin is a high
bandwidth bus switch. The QS3VH16210 has very low ON resistance,
resulting in under 250ps propagation delay through the switch. The
switchesarecontrolledbyactivelowenable(xOE)controls. TheQS3VH16210
is organized as a dual 10-bit, 2-port bus switch with separate, xOE control
inputs. In the OFF and ON states, the switches are 5V-tolerant. In the OFF
state, the switches offer very high impedance at the terminals.
The combination of near-zero propagation delay, high OFF impedance,
and over-voltage tolerance makes the QS3VH16210 ideal for high perfor-
mance communications applications.
The QS3VH16210 is characterized for operation from -40°C to +85°C.
1A1
1B1 2A1
2B1
1A10
1OE
1B10
2A10
2OE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2013 Integrated Device Technology, Inc.
1
2B10
JULY 2013
DSC-5881/8
1 page  
IDTQS3VH16210
2.5V / 3.3V 20-BIT 2 PORT, HIGH BANDWIDTH BUS 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 Parameter
Min. (4)
Max.
Min. (4)
Max. Unit
tPLH DataPropagationDelay(2,3)
⎯ 0.2 ⎯ 0.2 ns
tPHL A to B or B to A
tPZH Switch Turn-On Delay
1.5 9 1.5 9 ns
tPZL xBE to xA or xB
tPHZ Switch Turn-Off Delay
1.5 8.5 1.5 8.5 ns
tPLZ xBE to xA or xB
fxOE Operating Frequency - Enable(2,5)
⎯ 7.5
⎯
20 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 IDTQS3VH16210.PDF ] | |
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