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IDTQS32X2861 Datasheet

QUICKSWITCH PRODUCTS HIGH-SPEED CMOS 20-BIT BUS SWITCH

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IDTQS32X2861
HIGH-SPEED CMOS 20-BIT BUS SWITCH WITH FLOW-THROUGH PINOUT
QUICKSWITCH® PRODUCTS
HIGH-SPEED CMOS
20-BIT BUS SWITCH
WITH FLOW-THRU PINOUT
INDUSTRIALTEMPERATURERANGE
IDTQS32X2861
.EATURES:
• Enhanced N channel FET with no inherent diode to Vcc
• 25series resistors for low noise
• Undershoot clamp diodes on all switch and control inputs
• Available in 48-pin QVSOP package
APPLICATIONS:
wwwH.Dota-stawSahpepeint4gU,.choomt-docking
• Voltage translation (5V to 3.3V)
• Power conservation
• Capacitance reduction and isolation
• Bus isolation
• Clock gating
DESCRIPTION:
The QS32X2861 provides two sets of ten high-speed CMOS TTL-
compatible bus switches. The low ON resistance of the QS32X2861 allows
inputs to be connected to outputs without adding propagation delay and
without generating additional ground bounce noise. The QS32x2861 adds
an internal 25series termination resistor to each switch to reduce
reflection noise in high-speed applications. The Bus Enable (BEn) signals
turn the switches on.
The QS32X2861 bus switch is ideal for switching digital buses, as well
as for hotplug buffering and 5V to 3V conversion.
The QS32X2861 is characterized for operation at -40°C to +85°C.
.UNCTIONAL BLOCK DIAGRAM
A0 B0
A9
BE1
A10
B9
B10
A19
BE2
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2002 Integrated Device Technology, Inc.
1
B19
MARCH 2002
DSC-5727/2


Integrated Device Technology Electronic Components Datasheet

IDTQS32X2861 Datasheet

QUICKSWITCH PRODUCTS HIGH-SPEED CMOS 20-BIT BUS SWITCH

No Preview Available !

IDTQS32X2861
HIGH-SPEED CMOS 20-BIT BUS SWITCH WITH FLOW-THROUGH PINOUT
INDUSTRIALTEMPERATURERANGE
PIN CON.IGURATION
NC 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
www.DataSheet4UA.c8om 10
A9 11
GND 12
NC 13
A10 14
A11 15
A12 16
A13 17
A14 18
A15 19
A16 20
A17 21
A18 22
A19 23
GND 24
48 VCC
47 BE1
46 B0
45 B1
44 B2
43 B3
42 B4
41 B5
40 B6
39 B7
38 B8
37 B9
36 VCC
35 BE2
34 B10
33 B11
32 B12
31 B13
30 B14
29 B15
28 B16
27 B17
26 B18
25 B19
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
VTERM(2)
VTERM(3)
VTERM(3)
VAC
IOUT
PMAX
TSTG
Description
Supply Voltage to Ground
DC Switch Voltage Vs
DC Input Voltage VIN
AC Input Voltage (pulse width 20ns)
DC Output Current
Maximum Power Dissipation (TA = 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
NOTE:
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 = 1.0MHZ, VIN = 0V, VOUT = 0V)
Pins
Control Pins
Quickswitch Channels (Switch OFF)
Typ.
3
5
Max.(1)
5
7
Unit
pF
pF
NOTE:
1. This parameter is measured at characterization but not tested.
QVSOP
TOP VIEW
PIN DESCRIPTION
Pin Names
A0 - A19
B0 - B19
BEn
I/O
I/O
I/O
I
Description
Bus A
Bus B
Bus Enable
.UNCTION TABLE(1)
BE1 BE2
LL
LH
HL
HH
A0 - A9
B0 - B9
B0 - B9
Z
Z
A10 - A19
B10 - B19
Z
B10 - B19
Z
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
Z = High-Impedance
2
Function
Connect
Connect
Connect
Disconnect


Part Number IDTQS32X2861
Description QUICKSWITCH PRODUCTS HIGH-SPEED CMOS 20-BIT BUS SWITCH
Maker Integrated Device Technology
Total Page 5 Pages
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