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BUS SWITCH. QS3VH245 Datasheet

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BUS SWITCH. QS3VH245 Datasheet






QS3VH245 SWITCH. Datasheet pdf. Equivalent




QS3VH245 SWITCH. Datasheet pdf. Equivalent





Part

QS3VH245

Description

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



Feature


IDTQS3VH245 2.5V / 3.3V 8-BIT HIGH BANDW IDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE QUICKSWITCH® PRODUCTS 2.5V / 3 .3V 8-BIT HIGH BANDWIDTH BUS SWITCH ID TQS3VH245 FEATURES: • N channel FET switches with no parasitic diode to VCC – Isolation under power-off conditio ns – No DC path to VCC or GND – 5V tolerant in OFF and ON state • 5V tol erant I/Os • Low RON - 4Ω typ.
Manufacture

Renesas

Datasheet
Download QS3VH245 Datasheet


Renesas QS3VH245

QS3VH245; ical • Flat RON characteristics over o perating range • Rail-to-rail switchi ng 0 - 5V • Bidirectional dataflow wi th near-zero delay: no added ground bou nce • Excellent RON matching between channels • VCC operation: 2.3V to 3.6 V • High bandwidth - up to 500MHz • LVTTL-compatible control Inputs • Un dershoot Clamp Diodes on all switch and control Inputs • Low I/O capacita.


Renesas QS3VH245

nce, 4pF typical • Available in QSOP, SOIC, and TSSOP packages APPLICATIONS: • Hot-swapping • 10/100 Base-T, Eth ernet LAN switch • Low distortion ana log switch • Replaces mechanical rela y • ATM 25/155 switching • Bus swit ching and isolation FUNCTIONAL BLOCK DI AGRAM DESCRIPTION: The QS3VH245 HotSwi tch 8-bit bus switch is a high bandwidt h bus switch. The QS3VH245 has v.


Renesas QS3VH245

ery low ON resistance, resulting in unde r 250ps propagation delay through the s witch. The switches can be turned ON un der the control of the LVTTL-compatible Output Enable signal for bidirectional data flow with no added delay or groun d bounce. In the ON state, the switches can pass signals up to 5V. In the OFF state, the switches offer very high imp edence at the term.

Part

QS3VH245

Description

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



Feature


IDTQS3VH245 2.5V / 3.3V 8-BIT HIGH BANDW IDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE QUICKSWITCH® PRODUCTS 2.5V / 3 .3V 8-BIT HIGH BANDWIDTH BUS SWITCH ID TQS3VH245 FEATURES: • N channel FET switches with no parasitic diode to VCC – Isolation under power-off conditio ns – No DC path to VCC or GND – 5V tolerant in OFF and ON state • 5V tol erant I/Os • Low RON - 4Ω typ.
Manufacture

Renesas

Datasheet
Download QS3VH245 Datasheet




 QS3VH245
IDTQS3VH245
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
QUICKSWITCH® PRODUCTS
2.5V / 3.3V 8-BIT HIGH
BANDWIDTH BUS SWITCH
IDTQS3VH245
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 - 4Ω typical
• 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 500MHz
• 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
• Bus switching and isolation
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The QS3VH245 HotSwitch 8-bit bus switch is a high bandwidth bus
switch. The QS3VH245 has very low ON resistance, resulting in under
250ps propagation delay through the switch. The switches can be turned
ON under the control of the LVTTL-compatible Output Enable signal for
bidirectional data flow with no added delay or ground bounce. In the ON
state, the switches can pass signals up to 5V. In the OFF state, the switches
offer very high impedence at the terminals.
The combination of near-zero propagation delay, high OFF impedance,
and over-voltage tolerance makes the QS3VH245 ideal forhigh perfor-
mance communications applications.
The QS3VH245 is characterized for operation from -40°C to +85°C.
A0 A1 A2 A3 A4 A5 A6 A7
OE
B0 B1 B2 B3 B4 B5 B6 B7
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1
c 2014 Integrated Device Technology, Inc.
FEBRUARY 2014
DSC-5775/10




 QS3VH245
IDTQS3VH245
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
PIN CONFIGURATION
NC 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
GND 10
20 VCC
19 OE
18 B0
17 B1
16 B2
15 B3
14 B4
13 B5
12 B6
11 B7
QSOP/ SOIC/ TSSOP
TOP VIEW
INDUSTRIAL TEMPERATURE RANGE
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Description
Max
Unit
VTERM(2) SupplyVoltage 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. sink current/pin)
120
mA
TSTG Storage Temperature
–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 = +25°C, F = 1MHz, VIN = 0V, VOUT =
0SVy) mbol
Parameter(1)
Typ. Max. Unit
CIN
Control Inputs
3
5
pF
CI/O
Quickswitch Channels (Switch OFF) 4
6
pF
CI/O
Quickswitch Channels (Switch ON)
8
12 pF
NOTE:
1. This parameter is guaranteed but not production tested.
PIN DESCRIPTION
Pin Names
Description
OE
Output Enable
Ax
Data I/Os
Bx
Data I/Os
FUNCTION TABLE(1)
OE
H
L
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
Outputs
Disconnected
Ax = Bx
2




 QS3VH245
IDTQS3VH245
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: TA = –40°C to +85°C, VCC = 3.3V ±0.3V
Symbol
Parameter
Test Conditions
Min. Typ.(1) Max. Unit
VIH
Input HIGH Voltage
Guaranteed Logic HIGH VCC = 2.3V to 2.7V
for Control Inputs
VCC = 2.7V to 3.6V
VIL
Input LOW Voltage
Guaranteed Logic LOW VCC = 2.3V to 2.7V
for Control Inputs
VCC = 2.7V to 3.6V
IIN
Input Leakage Current (Control Inputs) 0V VIN VCC
IOZ
Off-State Current (Hi-Z)
0V VOUT 5V, Switches OFF
IOFF
Data Input/Output Power Off Leakage VIN or VOUT 0V to 5V, VCC = 0V
VCC = 2.3V
VIN = 0V
ION = 30mA
RON Switch ON Resistance
Typical at VCC = 2.5V
VIN = 1.7V
ION = 15mA
VCC = 3V
VIN = 0V
ION = 30mA
VIN = 2.4V
ION = 15mA
1.7
——
V
2
——
— 0.7
V
— 0.8
— ±1 μA
— ±1 μA
— ±1 μA
68
79
Ω
46
58
NOTE:
1. Typical values are at VCC = 3.3V and TA = 25°C.
TYPICAL ON RESISTANCE vs VIN AT VCC = 3.3V
16
14
RON
(ohms) 12
10
8
6
4
2
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
VIN
(Volts)
3



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