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Integrated Device Technology Electronic Components Datasheet

QS3VH383 Datasheet

2.5V/3.3V 8-BIT HIGH BANDWIDTH BUS EXCHANGE BUS SWITCH

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IDTQS3VH383
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS EXCHANGE BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
QUICKSWITCH® PRODUCTS
2.5V/3.3V 8-BIT HIGH BANDWIDTH
BUS EXCHANGE BUS SWITCH
IDTQS3VH383
FEATURES:
• N channel FET switches with no parasitic diode to Vcc
Isolation under power-off conditions
No DC path to Vcc or GND
5V tolerant in OFF and ON state
• 5V tolerant I/Os
• Low RON - 4typical
• Flat RON characteristics over operating range
• Rail-to-rail switching 0 - 5V
• Bidirectional dataflow with near-zero delay: no added ground
bounce
• Excellent RON matching between channels
• Vcc operation: 2.3V to 3.6V
• High bandwidth - up to 500 MHz
• LVTTL-compatible control Inputs
• Undershoot Clamp Diodes on all switch and control Inputs
• Low I/O capacitance, 4pF typical
• Available in QSOP, SOIC, and TSSOP packages
APPLICATIONS:
• Hot-swapping
• 10/100 Base-T, Ethernet LAN switch
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
FUNCTIONAL BLOCK DIAGRAM
A0
DESCRIPTION:
The QS3VH383 Bus Exchange HotSwitch with 10-bits is a high bandwidth
bus switch. The QS3VH383 has very low ON resistance, resulting in under
250ps propagation delay through the switch. The Bus Enable (BE) signal turns
the switches on. The Bus Exchange (BX) signal provides nibble swap of the
AB and CD signal pairs. This exchange configuration allows byte swapping
of buses. In the OFF and ON states, the switches are 5V-tolerant. In the OFF
state, the switches offer very high impedence at the terminals.
The combination of near-zero propagation delay, the lack of additional
ground bounce noise, high OFF impedance, and over-voltage tolerance
makes the QS3VH383 ideal for high performance communications applications.
The QS3VH383 is characterized for operation from -40°C to +85°C.
C0
B0
D0
A4
C4
B4
D4
BX
BE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1
c 2002 Integrated Device Technology, Inc.
APRIL 2002
DSC-5878/4


Integrated Device Technology Electronic Components Datasheet

QS3VH383 Datasheet

2.5V/3.3V 8-BIT HIGH BANDWIDTH BUS EXCHANGE BUS SWITCH

No Preview Available !

IDTQS3VH383
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS EXCHANGE BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
BE
C0
A0
B0
D0
C1
A1
B1
D1
C2
A2
GND
1
24 VCC
2
23 D4
3
22 B4
4
21 A4
5
20 C4
6
19 D3
7
18 B3
8
17 A3
9
16 C3
10
15 D2
11
14 B2
12
13 BX
QSOP/ SOIC/ TSSOP
TOP VIEW
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Description
Max.
Unit
VTERM(2) Supply Voltage to Ground
– 0.5 to 4.6
V
VTERM(3) DC Switch Voltage VS
– 0.5 to 5.5
V
VTERM(3) DC Input Voltage VIN
– 0.5 to 5.5
V
VAC AC Input Voltage (pulse width 20ns)
–3
V
IOUT DC Output Current (max. current/pin)
120
mA
TSTG StorageTemperature
-65 to +150 °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 (TA = +25oC, f = 1MHz, VIN = 0V, VOUT = 0V)
Symbol Parameter(1)
Typ. Max. Unit
CIN ControlInputs
3
5
pF
CI/O Quickswitch Channels (Switch OFF) 7
11
pF
CI/O
Quickswitch Channels (Switch ON)
14
22
pF
NOTE:
1. This parameter is guaranteed but not production tested.
PIN DESCRIPTION
Pin Names
I/O
Description
A0-A4, B0-B4
I/O
Buses A and B
C0-4, D0-D4
I/O
Buses C and D
BE
I
Bus Switch Enable
BX
I
Bus Exchange
FUNCTION TABLE(1)
BE
BX
H
X
L
L
L
H
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
Z = High-Impedance
A0-A4
Z
C0-C4
D0-D4
B0-B4
Z
D0-D4
C0-C4
Function
Disconnect
Connect
Exchange
2


Part Number QS3VH383
Description 2.5V/3.3V 8-BIT HIGH BANDWIDTH BUS EXCHANGE BUS SWITCH
Maker IDT
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QS3VH383 Datasheet PDF






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