鈩?/div>
鈥?Flat R
ON
characteristics over operating range
鈥?Rail-to-rail switching 0 - 5V
鈥?Bidirectional dataflow with near-zero delay: no added ground
bounce
鈥?Excellent R
ON
matching between channels
鈥?V
CC
operation: 2.3V to 3.6V
鈥?High bandwidth - up to 500MHz
鈥?LVTTL-compatible control Inputs
鈥?Undershoot Clamp Diodes on all switch and control Inputs
鈥?Low I/O capacitance, 4pF typical
鈥?Available in QSOP and SOIC packages
FEATURES:
DESCRIPTION:
The QS3VH126 is a high bandwidth bus switch. The QS3VH126 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 high 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 QS3VH126 ideal for high perfor-
mance communications applications.
The QS3VH126 is characterized for operation from -40擄C to +85擄C.
APPLICATIONS:
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Hot-swapping
10/100 Base-T, Ethernet LAN switch
Low distortion analog switch
Replaces mechanical relay
ATM 25/155 switching
FUNCTIONAL BLOCK DIAGRAM
1
A
2
A
3
A
4
A
1O E
2O E
3O E
4O E
1
Y
2
Y
3
Y
4
Y
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1
c
2004 Integrated Device Technology, Inc.
JANUARY 2004
DSC-5774/9
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