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IDTQS32X2245 Datasheet

HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH

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IDTQS32X2245
HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH
QUICKSWITCH® PRODUCTS
HIGH-SPEED CMOS
QUICKSWITCH
DOUBLE-WIDTH BUS SWITCH
INDUSTRIALTEMPERATURERANGE
IDTQS32X2245
FEATURES:
• Enhanced N channel FET with no inherent diode to Vcc
• Dual '245 function
• 25Ω resistor for low noise
• Low propagation delay, zero ground bounce
• Undershoot clamp diodes on all switch and control inputs
• TTL-compatible control inputs
• Available in 40-pin QVSOP package
DESCRIPTION:
The QS32X2245 provides a set of 16 high-speed CMOS TTL-compatible
bus switches in a flow-through pinout. The QS32X2245 includes internal
25Ω resistors to reduce reflection noise in high speed applications. The
Output Enable (OEn) signals turn the switches on similar to the OEn signal
of the 74'245.
QuickSwitch devices provide an order of magnitude faster speed than
conventional logic devices.
The QS32X2245 is characterized for operation at -40°C to +85°C.
APPLICATIONS:
• Hot-swapping, hot-docking
• Voltage translation (5V to 3.3V)
• Bus switching and isolation
• Power conservation
• Clock gating
• Logic replacement
FUNCTIONAL BLOCK DIAGRAM
A0 A1 A2 A3 A4 A5 A6 A7
OE1
B0 B1 B2 B3 B4 B5 B6 B7
A8 A9 A10 A11 A12 A13 A14 A15
OE2
B8
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2011 Integrated Device Technology, Inc.
B9 B10 B11 B12 B13 B14 B15
1
FEBRUARY 2011
DSC-5724/5


Integrated Device Technology Electronic Components Datasheet

IDTQS32X2245 Datasheet

HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH

No Preview Available !

IDTQS32X2245
HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH
INDUSTRIALTEMPERATURERANGE
PIN CONFIGURATION
NC
A0
A1
A2
A3
A4
A5
A6
A7
GND
NC
A8
A9
A10
A11
A12
A13
A14
A15
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 VCC
39 OE1
38 B0
37 B1
36 B2
35 B3
34 B4
33 B5
32 B6
31 B7
30 Vcc
29 OE2
28 B8
27 B9
26 B10
25 B11
24 B12
23 B13
22 B14
21 B15
QVSOP
TOP VIEW
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Description
Max
VTERM(2) Supply Voltage to Ground
–0.5 to +7
VTERM(3) DC Switch Voltage Vs
–0.5 to +7
VTERM(3) DC Input Voltage VIN
–0.5 to +7
VAC AC Input Voltage (pulse width 20ns)
–3
IOUT DC Output Current
120
PMAX Maximum Power Dissipation (TA = 85°C)
0.92
TSTG Storage Temperature
–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
NOTE:
1. This parameter is measured at characterization but not tested.
Unit
pF
pF
PIN DESCRIPTION
Pin Names
I/O
Description
OE1, OE2
I
Bus Enable
An I/O Bus A
Bn I/O Bus B
FUNCTION TABLE(1)
OE1 OE2
HH
LH
HL
LL
A0 - A7
Z
B0 - B7
Z
B0 - B7
A8 - A15
Z
Z
B8 - B15
B8 - B15
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
Z = High-Impedance
Function
Disconnect
Connect
Connect
Connect
2


Part Number IDTQS32X2245
Description HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH
Maker Integrated Device Technology
Total Page 5 Pages
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