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Integrated Device Technology Electronic Components Datasheet

IDTQS32XVH384 Datasheet

2.5V/3.3V 20-BIT HIGH BANDWIDTH BUS SWITCH

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IDTQS32XVH384
2.5V/3.3V 20-BIT HIGH BANDWIDTH BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
QUICKSWITCH® PRODUCTS
2.5V/3.3V 20-BIT HIGH
BANDWIDTH BUS SWITCH
IDTQS32XVH384
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 48-pin QVSOP (S1) 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
A0 B0
DESCRIPTION:
The QS32XVH384 HotSwitch is a high bandwidth, 20-bit bus switch.
The QS32XVH384 has very low ON resistance, resulting in under 250ps
propagation delay through the switch. Four banks of five switches are
controlled by independent (xOE), LVTTL compatible 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 QS32XVH384 ideal for high perfor-
mance communications applications.
The QS32XVH384 is characterized for operation from -40°C to +85°C.
A10 B10
A4
B4 A14
B14
A5
B5 A15
B15
A9 B9 A19
1OE
4OE
3OE
2OE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1
c 2011 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
B19
SEPTEMBER 2011
DSC-5946/14


Integrated Device Technology Electronic Components Datasheet

IDTQS32XVH384 Datasheet

2.5V/3.3V 20-BIT HIGH BANDWIDTH BUS SWITCH

No Preview Available !

IDTQS32XVH384
2.5V/3.3V 20-BIT HIGH BANDWIDTH BUS SWITCH
PIN CONFIGURATION
1OE
B0
A0
A1
B1
B2
A2
A3
B3
B4
A4
GND
3OE
B5
A5
A6
B6
B7
A7
A8
B8
B9
A9
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48 VCC
47 B19
46 A19
45 A18
44 B18
43 B17
42 A17
41 A16
40 B16
39 B15
38 A15
37 2OE
36 VCC
35 B14
34 A14
33 A13
32 B13
31 B12
30 A12
29 A11
28 B11
27 B10
26 A10
25 4OE
QVSOP
TOP VIEW
PIN DESCRIPTION
Pin Names
I/O
Description
A0 - A19
I/O
Bus A
B0 - B19
I/O
Bus B
1OE I Output Enable, 0 - 4
2OE I Output Enable, 15 - 19
3OE I Output Enable, 5 - 9
4OE I Output Enable, 10 - 14
INDUSTRIAL TEMPERATURE RANGE
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.
FUNCTION TABLE(1)
1OE 2OE B0 - B4 B15 - B19
HH
Z
Z
L H A0 - A4 Z
HL
Z A15 - A19
L L A0 - A4 A15 - A19
3OE 4OE B5 - B9 B10 - B14
HH
Z
Z
L H A5 - A9 Z
HL
Z A10 - A14
L L A5 - A9 A10 - A14
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't care
Z = High-Impedence
Function
Disconnect
Connect
Connect
Connect
Function
Disconnect
Connect
Connect
Connect
2


Part Number IDTQS32XVH384
Description 2.5V/3.3V 20-BIT HIGH BANDWIDTH BUS SWITCH
Maker Integrated Device Technology
Total Page 8 Pages
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