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QS32XVH384Q1G8

P1-P3P4-P6P7-P8
1
INDUSTRIAL TEMPERATURE RANGE
IDTQS32XVH384
2.5V/3.3V 20-BIT HIGH BANDWIDTH BUS SWITCH
SEPTEMBER 2011
c
INDUSTRIAL TEMPERATURE RANGE
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
APPLICATIONS:
• Hot-swapping
• 10/100 Base-T, Ethernet LAN switch
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
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 - 4
ΩΩ
ΩΩ
Ω typical
• Flat RON characteristics over operating range
• Rail-to-rail switching 0 - 5V
• Bidirectional dataflow with near-zero delay: no added ground
bounce
• Excellent R
ON 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
IDTQS32XVH384
QUICKSWITCH
®
PRODUCTS
2.5V/3.3V 20-BIT HIGH
BANDWIDTH BUS SWITCH
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.
B4
3OE
1OE
B0
A4
A0
B9
B5
A9
A5
B14
2OE
4OE
B10
A14
A10
B19
B15
A19
A15
2011 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
DSC-5946/14
2
INDUSTRIAL TEMPERATURE RANGE
IDTQS32XVH384
2.5V/3.3V 20-BIT HIGH BANDWIDTH BUS SWITCH
PIN CONFIGURATION
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
T
STG Storage Temperature –65 to +150 °C
ABSOLUTE MAXIMUM RATINGS
(1)
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 V
CC .
Symbol Parameter
(1)
Typ. Max. Unit
CIN Control Inputs 3 5 pF
CI/O Quickswitch Channels (Switch OFF) 4 6 pF
C
I/O Quickswitch Channels (Switch ON) 8 12 pF
CAPACITANCE (TA = +25°C, F = 1MHz, VIN = 0V, VOUT = 0V)
NOTE:
1. This parameter is guaranteed but not production tested.
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't care
Z = High-Impedence
1OE 2OE B0 - B4 B15 - B19 Function
H H Z Z Disconnect
LHA0 - A4 Z Connect
HL ZA15 - A19 Connect
LLA0 - A4 A15 - A19 Connect
3OE 4OE B5 - B9 B10 - B14 Function
H H Z Z Disconnect
LHA5 - A9 Z Connect
HL ZA10 - A14 Connect
LLA
5 - A9 A10 - A14 Connect
FUNCTION TABLE
(1)
QVSOP
TOP VIEW
48 VCC
47
B
19
46
A
19
45
A
18
44
B
18
43
B
17
41
A
16
40
B
16
39
B
15
42
A
17
38
A
15
37
2OE
36
VCC
35
B
14
34
A
14
33
A
13
32
B
13
31
B
12
30
A
12
29
A
11
28
B
11
27
B
10
26
A
10
25
4OE
1
1OE
2
B
0
3
A
0
4
A
1
5
B
1
6
B
2
8
A
3
9
B
3
10
B
4
7
A
2
11
A
4
12
GND
13
3OE
14
B
5
15
A
5
16
A
6
17
B
6
18
B
7
19
A
7
20
A
8
21
B
8
22
B
9
23
A
9
24
GND
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
PIN DESCRIPTION
3
INDUSTRIAL TEMPERATURE RANGE
IDTQS32XVH384
2.5V/3.3V 20-BIT HIGH BANDWIDTH BUS SWITCH
TYPICAL ON RESISTANCE vs V
IN
AT V
CC
= 3.3V
RON
(ohms)
VIN
(Volts)
16
14
12
10
8
6
4
2
0
0.0 0.5
1.0
1.5 2.0 2.5 3.0 3.5 4.0 5.04.5
Symbol Parameter Test Conditions Min. Typ.
(1)
Max. Unit
V
IH Input HIGH Voltage Guaranteed Logic HIGH VCC = 2.3V to 2.7V 1.7 — — V
for Control Inputs VCC = 2.7V to 3.6V 2 — —
VIL Input LOW Voltage Guaranteed Logic LOW VCC = 2.3V to 2.7V — — 0.7 V
for Control Inputs VCC = 2.7V to 3.6V — — 0.8
IIN Input Leakage Current (Control Inputs) 0V ≤ VIN ≤ VCC ——±1μA
IOZ Off-State Current (Hi-Z) 0V ≤ VOUT ≤ 5V, Switches OFF — — ±1 μA
IOFF Data Input/Output Power Off Leakage VIN or VOUT 0V to 5V, VCC = 0V — — ±1 μA
VCC = 2.3V VIN = 0V ION = 30mA — 6 8
RON Switch ON Resistance Typical at VCC = 2.5V VIN = 1.7V ION = 15mA — 7 9 Ω
V
CC = 3V VIN = 0V ION = 30mA — 4 6
V
IN = 2.4V ION = 15mA — 5 8
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: TA = –40°C to +85°C, VCC = 3.3V ±0.3V
NOTE:
1. Typical values are at VCC = 3.3V and TA = 25°C.
P1-P3P4-P6P7-P8

QS32XVH384Q1G8

Mfr. #:
Buy QS32XVH384Q1G8
Manufacturer:
IDT
Description:
Digital Bus Switch ICs 3.3V 20-bit Bus Switch
Lifecycle:
New from this manufacturer.
Delivery:
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