QS32X2245Q2G8

1
IDTQS32X2245
HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
FEBRUARY 2011
2011 Integrated Device Technology, Inc. DSC-5724/5c
IDTQS32X2245
INDUSTRIAL TEMPERATURE RANGE
QUICKSWITCH
®
PRODUCTS
HIGH-SPEED CMOS
QUICKSWITCH
DOUBLE-WIDTH BUS SWITCH
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.
B0
OE1
A0
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
OE2
A8
B9
A9
B10
A10
B11
A11
B12
A12
B13
A13
B14
A14
B15
A15
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FEATURES:
Enhanced N channel FET with no inherent diode to Vcc
Dual '245 function
•25
ΩΩ
ΩΩ
Ω 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
APPLICATIONS:
Hot-swapping, hot-docking
Voltage translation (5V to 3.3V)
Bus switching and isolation
Power conservation
Clock gating
Logic replacement
2
INDUSTRIAL TEMPERATURE RANGE
IDTQS32X2245
HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH
PIN CONFIGURATION
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
Z = High-Impedance
FUNCTION TABLE
(1)
CAPACITANCE
(TA = +25°C, f = 1.0MHZ, VIN = 0V, VOUT = 0V)
NOTE:
1. This parameter is measured at characterization but not tested.
Pins Typ. Max.
(1)
Unit
Control Pins 3 5 pF
Quickswitch Channels (Switch OFF) 5 7 pF
Symbol Description Max Unit
VTERM
(2)
Supply Voltage to Ground –0.5 to +7 V
VTERM
(3)
DC Switch Voltage Vs –0.5 to +7 V
VTERM
(3)
DC Input Voltage VIN –0.5 to +7 V
VAC AC Input Voltage (pulse width 20ns) 3 V
IOUT DC Output Current 120 mA
PMAX Maximum Power Dissipation (TA = 85°C) 0.92 W
T
STG Storage Temperature –65 to +150 °C
ABSOLUTE MAXIMUM RATINGS
(1)
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.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
GND
NC
OE1
Vcc
OE2
V
CC
NC
GND
A
0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A11
A10
A12
A13
A15
A14
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
B11
B10
B12
B13
B15
B14
QVSOP
TOP VIEW
PIN DESCRIPTION
Pin Names I/O Description
OE1, OE2 I Bus Enable
An I/O Bus A
Bn I/O Bus B
OE1 OE2 A0 - A7 A8 - A15 Function
H H Z Z Disconnect
LHB0 - B7 Z Connect
HL ZB8 - B15 Connect
LLB0 - B7 B8 - B15 Connect
3
IDTQS32X2245
HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
RON
(ohms)
VIN
(Volts)
TYPICAL ON RESISTANCE vs VIN AT VCC = 5V
80
70
60
50
40
30
20
10
0
0.0 0.5
1.0
1.5 2.0 2.5 3.0 3.5
Symbol Parameter Test Conditions Min. Typ.
(1)
Max. Unit
VIH Input HIGH Level Guaranteed Logic HIGH for Control Pins 2 V
VIL Input LOW Level Guaranteed Logic LOW for Control Pins 0.8 V
IIN Input LeakageCurrent (Control Inputs)
(2)
0VVIN VCC ±0.01 ±1 μA
IOZ Off-State Output Current (Hi-Z) 0VVOUT VCC, Switches OFF ±0.01 ±1 μA
R
ON
(3)
Switch ON Resistance VCC = Min., VIN = 0V, ION = 30mA 18 23 35 Ω
VCC = Min., VIN = 2.4V, ION =15mA 18 25 40
VP Pass Voltage
(2)
VIN = VCC = 5V, IOUT = -5μA 3.7 4 4.2 V
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: TA = –40°C to +85°C, VCC = 5.0V ±5%
NOTES:
1. Typical values are at V
CC = 5.0V, TA = 25°C.
2. Pass Voltage is guaranteed but not production tested.
3. R
OUT changed on March 8, 2002. See rear page for more information.

QS32X2245Q2G8

Mfr. #:
Manufacturer:
IDT
Description:
Digital Bus Switch ICs BUF QSW MULTIWIDTH
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet