Enhanced N channel FET with no inherent diode to Vcc
16:8 multiplexer function with zero delay
5Ω bidirectional switches connect inputs to outputs
Ω
Zero propagation delay, zero ground bounce
Low power CMOS proprietary technology
Undershoot clamp diodes on all switch and control inputs
Direct bidirectional connection for mux, demux
Available in QSOP package
DESCRIPTION:
The QS3390 provides a 16:8 multiplexer logic switch. The low ON
resistance (5Ω) of the QS3390 allows inputs to be connected to the outputs
without adding propagation delay and without generating additional ground
bounce noise.
Mux/Demux devices provide an order of magnitude faster speed than
equivalent logic devices.
The QS3390 is characterized for operation at -40°C to +85°C.
APPLICATIONS:
• Video, audio, graphics switching, muxing
• Hot-swapping, hot-docking
• Voltage translation (5V to 3.3V)
FUNCTIONAL BLOCK DIAGRAM
A
0
AB
0
A
7
AB
7
AEN
B
0
B
7
BEN
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1
c
2014 Integrated Device Technology, Inc.
OCTOBER 2014
DSC-5759/5
IDTQS3390
HIGH-SPEED CMOS QUICKSWITCH 16:8 MULTIPLEXER
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
A
0
B
0
AB
0
A
1
B
1
AB
1
A
2
B
2
AB
2
A
3
B
3
AB
3
AEN
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
CC
A
7
B
7
AB
7
A
6
B
6
AB
6
A
5
B
5
AB
5
A
4
B
4
AB
4
BEN
ABSOLUTE MAXIMUM RATINGS
(1)
Symbol
V
TERM
(2)
V
TERM
(3)
V
TERM
(3)
V
AC
I
OUT
P
MAX
T
STG
Description
Supply Voltage to Ground
DC Switch Voltage V
S
DC Input Voltage V
IN
AC Input Voltage (pulse width
≤20ns)
DC Output Current
Maximum Power Dissipation (T
A
= 85°C)
Storage Temperature
Max
–0.5 to +7
–0.5 to +7
–0.5 to +7
–3
120
0.5
–65 to +150
Unit
V
V
V
V
mA
W
°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. V
CC
terminals.
3. All terminals except V
CC
.
CAPACITANCE
(T
A
= +25°C, f = 1MHz, V
IN
= 0V, V
OUT
= 0V)
Pins
Typ.
4
Demux
Mux
5
9
Max.
(1)
5
7
10
Unit
pF
pF
Control Inputs
Quickswitch Channels
(Switch OFF)
QSOP
TOP VIEW
NOTE:
1. This parameter is guaranteed but not production tested.
PIN DESCRIPTION
Pin Names
A
0
- A
7
B
0
- B
7
AEN, BEN
AB0 - AB7
I/O
I/O
I/O
I
I/O
Bus A
Bus B
Bus Switch Enable
Bus AB
Description
FUNCTION TABLE
(1)
AEN
H
L
H
L
BEN
H
H
L
L
A
0
- A
7
Off
On
Off
On
B
0
- B
7
Off
Off
On
On
Function
Disconnect
A to AB
B to AB
A, B to AB
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
2
IDTQS3390
HIGH-SPEED CMOS QUICKSWITCH 16:8 MULTIPLEXER
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: T
A
= –40°C to +85°C, V
CC
= 5V ± 5%
Symbol
V
IH
V
IL
I
IN
I
OZ
R
ON
V
P
Parameter
Input HIGH Voltage
Input LOW Voltage
Input Leakage Current (Control Inputs)
Off-State Current (Hi-Z)
Switch ON Resistance
Pass Voltage
(2)
Test Conditions
Guaranteed Logic HIGH for Control Pins
Guaranteed Logic LOW for Control Pins
0V
≤
V
IN
≤
V
CC
0V
≤
V
OUT
≤
V
CC
V
CC
= Min., V
IN
= 0V, I
ON
= 30mA
V
CC
= Min., V
IN
= 2.4V, I
ON
= 15mA
V
IN
= V
CC
= 5V, I
OUT
= -5μA
Min.
2
—
—
—
—
—
3.7
Typ.
(1)
Max.
—
—
—
—
5
10
4
—
0.8
±1
±1
7
15
4.2
V
Unit
V
V
μA
μA
Ω
NOTES:
1. Typical values are at V
CC
= 5V and T
A
= 25°C.
2. Pass voltage is guaranteed but not production tested.
TYPICAL ON RESISTANCE vs V
IN
AT V
CC
= 5V
16
14
R
ON
(ohms)
12
10
8
6
4
2
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
V
IN
(Volts)
3
IDTQS3390
HIGH-SPEED CMOS QUICKSWITCH 16:8 MULTIPLEXER
INDUSTRIAL TEMPERATURE RANGE
POWER SUPPLY CHARACTERISTICS
Symbol
I
CCQ
ΔI
CC
I
CCD
Parameter
Quiescent Power Supply Current
Power Supply Current per Input HIGH
(2)
Dynamic Power Supply Current per MHz
(3)
Test Conditions
(1)
V
CC
= Max., V
IN
= GND or V
CC
, f = 0
V
CC
= Max., V
IN
= 3.4V, f = 0
V
CC
= Max., A, B, and AB Pins Open, Control Inputs Toggling
@ 50% Duty Cycle
NOTES:
1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics.
2. Per TTL-driven input (V
IN
= 3.4V, control inputs only). A, B, and AB pins do not contribute to
ΔIcc.
3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the specified frequency. The A, B, and AB inputs generate
no significant AC or DC currents as they transition. This parameter is guaranteed but not production tested.
Max.
3
1.5
0.25
Unit
μA
mA
mA/MHz
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
T
A
= -40°C to +85°C, V
CC
= 5V ± 5%
C
LOAD
= 50pF, R
LOAD
= 500Ω unless otherwise noted.
Symbol
t
PLH
t
PHL
t
PZL
t
PZH
t
PLZ
t
PHZ
Parameter
Data Propagation Delay
(2)
A, B, to/from AB
Switch Turn-On Delay
AEN, BEN
to A, B, AB
Switch Turn-Off Delay
(2)
AEN, BEN
to A, B, AB
Min
.
(1)
⎯
1.5
1.5
Typ.
⎯
⎯
⎯
Max.
0.25
(3)
6.5
5.5
Unit
ns
ns
ns
NOTES:
1. Minimums are guaranteed but not production tested.
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 0.25ns at C
L
= 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
IDTQS3390
HIGH-SPEED CMOS QUICKSWITCH 16:8 MULTIPLEXER
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
QS
XXXXX
Device Type
XX
Package
X
Process
X
Blank
8
Tube or Tray
Tape and Reel
Blank
Industrial (-40°C to +85°C)
QG
Quarter Size Outline Package - Green
3390
High Speed CMOS QuickSwitch 16:8 Multiplexer
Datasheet Document History
10/01/08
08/13/12
10/13/14
Pg. 5
Pgs. 1,2,5
Pg. 2
Updated the ordering information by removing the "IDT" notation.
Updated the ordering information by removing the package "SO" and non RoHS part and by adding Tape and
Reel information.
Updated Function Table & Pin Description from A9 to A7, B9 to B7 and added AB0-AB7 to Pin Description table.
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