Bus Exchanger, 2-Func, 9-Bit, True Output, CMOS, PDSO48, TSSOP-48
IDTQS316209PA8 Parametric
Parameter Name
Attribute value
Maker
IDT (Integrated Device Technology)
Parts packaging code
TSSOP
package instruction
TSSOP,
Contacts
48
Reach Compliance Code
unknown
JESD-30 code
R-PDSO-G48
JESD-609 code
e0
length
12.5 mm
Logic integrated circuit type
BUS EXCHANGER
Number of digits
9
Number of functions
2
Number of ports
4
Number of terminals
48
Maximum operating temperature
85 °C
Minimum operating temperature
-40 °C
Output characteristics
3-STATE
Output polarity
TRUE
Package body material
PLASTIC/EPOXY
encapsulated code
TSSOP
Package shape
RECTANGULAR
Package form
SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
propagation delay (tpd)
0.25 ns
Certification status
Not Qualified
Maximum seat height
1.2 mm
Maximum supply voltage (Vsup)
5.5 V
Minimum supply voltage (Vsup)
4.5 V
Nominal supply voltage (Vsup)
5 V
surface mount
YES
technology
CMOS
Temperature level
INDUSTRIAL
Terminal surface
TIN LEAD
Terminal form
GULL WING
Terminal pitch
0.5 mm
Terminal location
DUAL
width
6.1 mm
IDTQS316209PA8 Preview
IDTQS316209
HIGH-SPEED CMOS 18-BIT BUS EXCHANGE SWITCH
INDUSTRIAL TEMPERATURE RANGE
QUICKSWITCH
®
PRODUCTS
HIGH-SPEED CMOS
18-BIT BUS EXCHANGE SWITCH
FEATURES:
−
−
−
−
−
−
Enhanced N channel FET with no inherent diode to Vcc
5Ω bidirectional switches connect inputs to outputs
Zero propagation delay, zero ground bounce
TTL-compatible input and output levels
Undershoot clamp diodes on all switch and control pins
Available in 48-pin SSOP and TSSOP Packages
IDTQS316209
DESCRIPTION:
The QS316209 provides a set of 18 high-speed CMOS TTL-compatible
bus-exchange switches. The low ON resistance of the QS316209 allows
inputs to be connected to outputs without adding propagation delay and
without generating additional ground bounce noise. This device operates
as an 18-bit bus switch or a 9-bit bus exchanger, which provides data
exchanging between the four signals through the data-select (S0-S2)
terminals.
The QS316209 is characterized for operation at -40°C to +85°C.
APPLICATIONS
−
−
−
−
−
Resource sharing
Crossbar switching
Hot-swapping, hot-docking
Bus isolation
Voltage translation (5V to 3.3V)
FUNCTIONAL BLOCK DIAGRAM
One of Nine Channels
1A1
1B1
1A2
1B2
Flow Control
S0
S1
S2
INDUSTRIAL TEMPERATURE RANGE
1
c
1999 Integrated Device Technology, Inc.
NOVEMBER 1999
DSC-5564/-
IDTQS316209
HIGH-SPEED CMOS 18-BIT BUS EXCHANGE SWITCH
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
S0
1A1
1A2
G ND
2A1
2A2
V
CC
3A1
3A2
G ND
4A1
4A2
5A1
5A2
G ND
6A1
6A2
7A1
7A2
G ND
8A1
8A2
9A1
9A2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
SO 48-1
SO 48-2
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
S1
S2
1B1
1B2
2B1
2B2
G ND
3B1
3B2
G ND
4B1
4B2
5B1
5B2
G ND
6B1
6B2
7B1
7B2
G ND
8B1
8B2
9B1
9B2
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
0.85
– 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. Vcc Terminals.
3. All terminals except Vcc.
CAPACITANCE
(T
A
= +25
O
C, f = 1.0MHz, V
IN
= 0V, V
OUT
= 0V)
Pins
Control Inputs
Quickswitch Channels (Switch OFF)
Typ.
4
7.5
Max.
(1)
5
9
Unit
pF
pF
NOTE:
1. This parameter is guaranteed but not production tested.
SSOP/ TSSOP
TOP VIEW
PIN DESCRIPTION
Pin Names
1
An -
9
An
1
Bn -
9
Bn
I/O
I/O
I/O
I
Description
Bus A
Bus B
Data Select
S
0
- S
2
FUNCTION TABLE
(1)
S
2
L
L
L
L
H
H
H
H
S
1
L
L
H
H
L
L
H
H
S
0
L
H
L
H
L
H
L
H
xA
1
Z
xB
1
xB
2
Z
Z
Z
xB
1
xB
2
xA
2
Z
Z
Z
xB
1
xB
2
Z
xB
2
xB
1
xA
1
to xB
1
xA
1
to xB
2
xA
2
to xB
1
xA
2
to xB
2
Disconnect
xA
1
to xB
1,
xA
2
to xB
2
xA
1
to xB
2,
xA
2
to xB
1
Function
Disconnect
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
Z = High-Impedence
2
IDTQS316209
HIGH-SPEED CMOS 18-BIT BUS EXCHANGE SWITCH
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
= 5.0V ± 10%
Symbol
V
IH
V
IL
I
IN
I
OZ
R
ON
R
ON
V
P
Parameter
Input HIGH Voltage
Input LOW Voltage
Input Leakage Current (Control Inputs)
Off-State Current (Hi-Z)
Switch ON Resistance
(2)
Switch ON Resistance
(2)
Pass Voltage
(3)
Test Conditions
Guaranteed Logic HIGH for Control Pins
Guaranteed Logic LOW for Control Pins
0V
≤
V
IN
≤
Vcc, Control Inputs
0V
≤
V
OUT
≤
Vcc, Switches OFF
Vcc = Min., V
IN
= 0V, I
ON
= 30mA
Vcc = Min., V
IN
= 2.4V, I
ON
= 15mA
Vcc = 5V, I
OUT
= -5µA
Min.
2
—
—
—
—
—
3.7
Typ.
(1)
—
—
0.01
0.01
5
10
4
Max.
—
0.8
±1
±1
7
14
4.2
Unit
V
V
µA
µA
Ω
Ω
V
NOTES:
1. Typical values are at V
CC
= 5.0V, T
A
= 25°C.
2. Max value of R
ON
is guaranteed but not production tested.
3. Pass voltage is guaranteed but not production tested.
TYPICAL ON RESISTANCE vs V
IN
AT V
CC
= 5V
16
R
ON
(ohms)
14
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
IDTQS316209
HIGH-SPEED CMOS 18-BIT BUS EXCHANGE SWITCH
INDUSTRIAL TEMPERATURE RANGE
POWER SUPPLY CHARACTERISTICS
Symbol
I
CCQ
∆I
CC
I
CCD
Parameter
Quiescent Power Supply Current
Power Supply Current per Control Input HIGH
(2)
Dynamic Power Supply Current per MHz
(3)
Test Conditions
(1)
V
CC
= Max., V
IN
= GND or Vcc, f = 0
V
CC
= Max., V
IN
= 3.4V, f = 0
V
CC
= Max., A and B pins open
Control Input Toggling at 50% Duty Cycle
Max.
3
1.5
0.25
Unit
µA
mA
mA/MHz
NOTES:
1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics.
2. Per TLL driven input (V
IN
= 3.4V, control inputs only). A and B pins do not contribute to
∆Icc.
3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the specified frequency. The A
and B inputs generate no significant AC or DC currents as they transition. This parameter is guaranteed but not production tested.
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
T
A
= -40°C to +85°C, V
CC
= 5.0V ± 10%
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
(2,4)
xAn to xBn, xBn to xAn
Switch Turn-on Delay
Sn to xAn, xBn
Switch Turn-off Delay
(2)
Sn to xAn, xBn
Min.
(1)
—
1.5
1.5
Typ.
—
—
—
Max.
0.25
(3)
6.5
6.2
Unit
ns
ns
ns
NOTES:
1. Minimums are guaranteed but not production tested.
2. This parameter is guaranteed but not production tested.
3. The time constant for the switch alone is of the order of 0.25ns for C
L
= 50pF.
4. The bus switch contributes no propagation delay other than the RC delay of the ON resistance of the switch and the load capacitance. 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
IDTQS316209
HIGH-SPEED CMOS 18-BIT BUS EXCHANGE SWITCH
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
IDTQS
XXXXX
Device Type
XX
Package
X
Process
Blank
Industrial (-40°C to +85°C )
PV
PA
Shrink Small Outline Package (SO48-1)
Thin Shrink Small outline (SO48-2)
316209
High Speed CMOS 18-Bit Bus-Exchange Switch
CORPORATE HEADQUARTERS
2975 Stender Way
Santa Clara, CA 95054
for SALES:
800-345-7015 or 408-727-6116
fax: 408-492-8674
www.idt.com*
*To search for sales office near you, please click the sales button found on our home page or dial the 800# above and press 2.
The IDT logo, QuickSwitch, and SynchroSwitch are registered trademarks of Integrated Device Technology, Inc.
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