QS3VH16210 [IDT]
QUICKSWITCH - TM PRODUCTS 2.5V / 3.3V 20 - BIT 2 - PORT, HIGH BANDWIDTH BUS SWITCH; 快速切换 - TM产品2.5V / 3.3V 20 - 2位 - 端口，高带宽总线开关
| 型号： | QS3VH16210 |
| 厂家： | 
INTEGRATED DEVICE TECHNOLOGY |
| 描述： | QUICKSWITCH - TM PRODUCTS 2.5V / 3.3V 20 - BIT 2 - PORT, HIGH BANDWIDTH BUS SWITCH |
| 文件： | 总8页 (文件大小：88K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
QUICKSWITCH® PRODUCTS
IDTQS3VH16210
2.5V / 3.3V 20-BIT 2-PORT, HIGH
BANDWIDTH BUS SWITCH
FEATURES:
DESCRIPTION:
• N channel FET switches with no parasitic diode to Vcc
− Isolation under power-off conditions
− No DC path to Vcc or GND
The QS3VH16210 HotSwitch with 20-bit flow-though pin is a high
bandwidth bus switch. The QS3VH16210 has very low ON resistance,
resulting in under 250ps propagation delay through the switch. The
switchesarecontrolledbyactivelowenable(xOE)controls. TheQS3VH16210
is organized as a dual 10-bit, 2-port bus switch with separate, xOEcontrol
inputs. IntheOFFandONstates, theswitchesare5V-tolerant. IntheOFF
state, the switches offer very high impedance at the terminals.
− 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
Thecombinationofnear-zeropropagationdelay, highOFFimpedance,
andover-voltagetolerancemakestheQS3VH16210idealforhighperfor-
mancecommunicationsapplications.
• Excellent RON matching between channels
• Vcc operation: 2.3V to 3.6V
The QS3VH16210 is characterized for operation from -40°C to +85°C.
• 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 SSOP and TSSOP packages
APPLICATIONS:
• Hot-swapping
• 10/100 Base-T, Ethernet LAN switch
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
FUNCTIONALBLOCKDIAGRAM
2B1
1A1
1B1
2A1
1A10
1B10
2A10
2B10
1OE
2OE
TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.
INDUSTRIAL TEMPERATURE RANGE
MARCH 2002
1
c
2002 Integrated Device Technology, Inc.
DSC-5881/4
IDTQS3VH16210
INDUSTRIALTEMPERATURERANGE
2.5V/3.3V20-BIT2PORT,HIGHBANDWIDTHBUSSWITCH
ABSOLUTEMAXIMUMRATINGS(1)
PINCONFIGURATION
Symbol
Description
SupplyVoltagetoGround
DC Switch Voltage VS
Max.
– 0.5 to 4.6
– 0.5 to 5.5
– 0.5 to 5.5
– 3
Unit
V
(2)
VTERM
(3)
VTERM
V
1OE
2OE
1B1
1B2
1B3
1B4
NC
1A1
1A2
1A3
1A4
1A5
1A6
GND
1A7
1A8
1A9
1
48
47
46
45
44
43
42
41
40
39
38
37
(3)
VTERM
DC Input Voltage VIN
V
2
VAC
IOUT
TSTG
ACInputVoltage(pulsewidth ≤20ns)
DCOutputCurrent(max.current/pin)
StorageTemperature
V
3
120
mA
°C
4
-65to+150
NOTES:
5
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.
6
7
1B5
GND
8
3. All terminals except VCC.
1B6
1B7
1B8
9
10
11
12
CAPACITANCE (TA = +25oC, f = 1MHz, VIN = 0V, VOUT = 0V)
Symbol Parameter(1)
Typ.
Max.
5
Unit
pF
1B9
1A10
CIN
CI/O
CI/O
ControlInputs
3
4
8
1B10
2A1
2A2
VCC
2A3
GND
2A4
2A5
2A6
2A7
2A8
2A9
2A10
13
14
15
16
17
18
19
20
21
22
23
24
36
35
34
33
32
31
30
29
28
27
26
25
Quickswitch Channels (Switch OFF)
Quickswitch Channels (Switch ON)
6
pF
2B1
2B2
2B3
GND
2B4
2B5
2B6
2B7
2B8
2B9
2B10
12
pF
NOTE:
1. This parameter is guaranteed but not production tested.
PINDESCRIPTION
Pin Names
xOE
Description
Bus Enables (Active LOW)
1A1 - 1A10, 2A1 - 2A10
1B1 - 1B10, 2B1 - 2B10
Bus A
Bus B
(1)
FUNCTION TABLE (EACH 10-BIT BUS SWITCH)
SSOP/ TSSOP
TOP VIEW
Control Input
xOE
L
Function
A port = B port
Disconnect
H
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
2
IDTQS3VH16210
2.5V/3.3V20-BIT2PORT,HIGHBANDWIDTHBUSSWITCH
INDUSTRIALTEMPERATURERANGE
DCELECTRICALCHARACTERISTICSOVEROPERATINGRANGE
FollowingConditionsApplyUnlessOtherwiseSpecified:
Industrial: TA = –40°C to +85°C, VCC = 3.3V ± 0.3V
Symbol
Parameter
Test Conditions
Min.
1.7
2
Typ.(1)
—
—
—
—
—
—
—
6
Max.
—
—
0.7
0.8
±1
±1
±1
8
Unit
VIH
Input HIGH Voltage
GuaranteedLogicHIGH
forControlInputs
VCC = 2.3V to 2.7V
VCC = 2.7V to 3.6V
VCC = 2.3V to 2.7V
VCC = 2.7V to 3.6V
V
VIL
InputLOWVoltage
GuaranteedLogicHIGH
forControlInputs
—
—
—
—
—
—
—
—
—
V
IIN
IOZ
InputLeakageCurrent(ControlInputs)
Off-StateCurrent(Hi-Z)
0V ≤ VIN ≤ VCC
0V ≤ VOUT ≤ 5V, Switches OFF
VIN or VOUT 0V to 5V, VCC = 0V
µA
µA
µA
IOFF
DataInput/OutputPowerOffLeakage
VCC = 2.3V
VIN = 0V
ION = 30mA
ION = 15mA
ION = 30mA
ION = 15mA
RON
Switch ON Resistance
(Typ. at VCC = 2.5V) VIN = 1.7V
7
9
Ω
VCC = 3V
VIN = 0V
4
6
VIN = 2.4V
5
8
NOTE:
1. Typical values are at VCC = 3.3V and TA = 25°C, unless otherwise noted.
IN
CC
TYPICAL ON RESISTANCE vs V AT V = 3.3V
16
14
RON
(ohms)
12
10
8
6
4
2
0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
1.0
0.0
0.5
VIN
(Volts)
3
IDTQS3VH16210
INDUSTRIALTEMPERATURERANGE
2.5V/3.3V20-BIT2PORT,HIGHBANDWIDTHBUSSWITCH
POWERSUPPLYCHARACTERISTICS
Symbol
ICCQ
Parameter
TestConditions(1)
Min.
—
Typ.
1.5
Max.
3
Unit
mA
µA
Quiescent Power Supply Current
VCC = Max., VIN = GND or VCC, f = 0
∆ICC
Power Supply Current(2,3) per Input HIGH VCC = Max., VIN = 3V, f = 0 per Control Input
—
—
30
ICCD
Dynamic Power Supply Current(4)
VCC = 3.3V, A and B Pins Open, Control Inputs See Typical ICCD vs Enable Frequency graph below
Toggling @ 50% Duty Cycle
NOTES:
1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics.
2. Per input driven at the specified level. A and B pins do not contribute to ∆Icc.
3. This parameter is guaranteed but not tested.
4. This parameter represents the current required to switch internal capacitance at the specified frequency. The A and B inputs do not contribute to the Dynamic Power Supply
Current. This parameter is guaranteed but not production tested.
CCD
CC
TYPICAL I
vs ENABLE FREQUENCY CURVE AT V = 3.3V
20
18
16
14
12
10
8
6
4
2
0
0
2
4
6
8
10
12
14
16
18
20
ENABLE FREQUENCY (MHZ)
4
IDTQS3VH16210
2.5V/3.3V20-BIT2PORT,HIGHBANDWIDTHBUSSWITCH
INDUSTRIALTEMPERATURERANGE
SWITCHINGCHARACTERISTICSOVEROPERATINGRANGE
TA = -40°C to +85°C
VCC = 2.5 ± 0.2V (1)
VCC = 3.3 ± 0.3V (1)
(4)
(4)
Symbol
tPLH
Parameter
DataPropagationDelay(2,3)
Min.
Max.
Min.
Max.
Unit
⎯
0.2
⎯
0.2
ns
tPHL
A to B or B to A
tPZH
SwitchTurn-OnDelay
xBE to xA or xB
SwitchTurn-OffDelay
1.5
1.5
⎯
9
1.5
1.5
⎯
9
ns
ns
tPZL
tPHZ
8.5
7.5
8.5
20
tPLZ
xBE to xA or xB
OperatingFrequency-Enable(2,5)
fxOE
MHz
NOTES:
1. See Test Conditions under TEST CIRCUITS AND WAVEFORMS.
2. This parameter is guaranteed but not production tested.
3. The bus switch contributes no propagation delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone
is of the order of 0.2ns at CL = 50pF. Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to the
system. Propagation delay of the bus switch, when used in a system, is determined by the driving circuit on the driving side of the switch and its interaction with the load on
the driven side.
4. Minimums are guaranteed but not production tested.
5. Maximum toggle frequency for xOE control input (pass voltage > VCC, VIN = 5V, RLOAD > 1MΩ, no CLOAD).
5
IDTQS3VH16210
INDUSTRIALTEMPERATURERANGE
2.5V/3.3V20-BIT2PORT,HIGHBANDWIDTHBUSSWITCH
SOMEAPPLICATIONSFORHOTSWITCHPRODUCTS
NFET
0 to +5V
0 to +5V
+6.5V
Vcc = 3.3V
CHARGE PUMP
OE
DRIVER
SINGLE HOT
SWITCH
Rail-to-Rail Switching
PHY
3VH
SWITCH
4.5VPP
10Mbps to 100Mbps
>100m
LOGIC
SIDE
LOGIC
SIDE
Z = 100 Ω
Z = 100 Ω
4.5VPP
TWISTED PAIR
2VPP
Fast Ethernet Data Switching (LAN Switch)
ZERO DOWN TIME SYSTEM
PLUGGABLE CARD/ LIVE SYSTEM
ON CARD
LOGIC
CARD I/O
CPU
ON CARD
LOGIC
CARD I/O
RAM
BUS
Hot Swapping
6
IDTQS3VH16210
2.5V/3.3V20-BIT2PORT,HIGHBANDWIDTHBUSSWITCH
INDUSTRIALTEMPERATURERANGE
TESTCIRCUITSANDWAVEFORMS
TESTCONDITIONS
VIH
VT
0V
Symbol
VLOAD
VIH
VCC(1)= 3.3V ± 0.3V
VCC(2)= 2.5V ± 0.2V
Unit
SAME PHASE
INPUT TRANSITION
6
2 x Vcc
Vcc
V
tPHL
tPHL
tPLH
tPLH
VOH
VT
VOL
3
V
OUTPUT
VT
1.5
300
300
50
VCC/2
150
V
VLZ
mV
mV
pF
VIH
VT
0V
OPPOSITE PHASE
INPUT TRANSITION
VHZ
150
CL
30
Propagation Delay
VLOAD
Open
GND
VCC
DISABLE
ENABLE
VIH
VT
0V
CONTROL
INPUT
500Ω
tPZL
tPLZ
VIN
VOUT
(1, 2)
Pulse
VLOAD/2
VT
D.U.T.
VLOAD/2
VOL + VLZ
VOL
OUTPUT
NORMALLY
LOW
Generator
SWITCH
CLOSED
500Ω
tPHZ
RT
tPZH
CL
VOH
VOH -VHZ
OUTPUT
NORMALLY
HIGH
SWITCH
OPEN
VT
0V
Test Circuits for All Outputs
0V
NOTE:
DEFINITIONS:
CL = Load capacitance: includes jig and probe capacitance.
1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
Enable and Disable Times
NOTES:
1. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns.
2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; tF ≤ 2ns; tR ≤ 2ns.
SWITCHPOSITION
Test
tPLZ/tPZL
tPHZ/tPZH
tPD
Switch
VLOAD
GND
Open
7
IDTQS3VH16210
INDUSTRIALTEMPERATURERANGE
2.5V/3.3V20-BIT2PORT,HIGHBANDWIDTHBUSSWITCH
ORDERINGINFORMATION
XXXXX
XX
IDTQS
Package
Device Type
PV
Shrink Small Outline Package
PA
PAG
Thin Shrink Small Outline Package
TSSOP - Green
2.5V / 3.3V 20-Bit 2-Port, High Bandwidth Bus Switch
3VH16210
CORPORATE HEADQUARTERS
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for SALES:
800-345-7015 or 408-727-6116
fax: 408-492-8674
for Tech Support:
logichelp@idt.com
(408) 654-6459
www.idt.com
8
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Bus Driver, CB3Q/3VH/3C/2B Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, TSSOP-48
IDT
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