IDT74CBTLV3862QG [IDT]
LOW-VOLTAGE 10-BIT BUS SWITCH WITH ACTIVE HIGH AND LOW ENABLES; 具有活性高，低低压10位总线开关启用
| 型号： | IDT74CBTLV3862QG |
| 厂家： | 
INTEGRATED DEVICE TECHNOLOGY |
| 描述： | LOW-VOLTAGE 10-BIT BUS SWITCH WITH ACTIVE HIGH AND LOW ENABLES |
| 文件： | 总5页 (文件大小：64K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LOW-VOLTAGE 10-BIT
IDT74CBTLV3862
BUS SWITCH WITH ACTIVE
HIGH AND LOW ENABLES
FEATURES:
DESCRIPTION:
• 5Ω A/B bi-directional switch
TheCBTLV3862provides tenbits ofhigh-speedbus switchingwithlow
on-state resistance of the switch allowing connections to be made with
minimalpropagationdelay.
• Isolation Under Power-Off Conditions
• Over-voltage tolerant
• Latch-up performance exceeds 100mA
• VCC = 2.3V - 3.6V, normal range
• ESD >2000V per MIL-STD-883, Method 3015; >200V using
machine model (C = 200pF, R = 0)
• Available in SSOP, QSOP, and TSSOP packages
The device is organized as one 10-bit bus switch. The switches are
controlledbyindependentactive-lowenable(OE)andactive-highenable
(OE)controls.
To ensure the high-impedance state during power up or power down,
OE shouldbe tiedtoVCC througha pullupresistor;the minimumvalue of
theresistorisdeterminedbythecurrent-sinkingcapabilityofthedriver,and
OE should be tied to GND.
APPLICATIONS:
• 3.3V High Speed Bus Switching and Bus Isolation
FUNCTIONALBLOCKDIAGRAM
SIMPLIFIEDSCHEMATIC,EACH
SWITCH
2
22
A1
B1
SW
B
A
11
13
A10
B10
SW
1
OE
OE
23
OE
OE
TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.
INDUSTRIAL TEMPERATURE RANGE
APRIL 2002
1
c
2002 Integrated Device Technology, Inc.
DSC-5264/2
IDT74CBTLV3862
INDUSTRIALTEMPERATURERANGE
LOW-VOLTAGE10-BITBUSSWITCHWITHACTIVEHIGHANDLOWENABLES
ABSOLUTEMAXIMUMRATINGS(1)
PINCONFIGURATION
Symbol Description
Max.
–0.5to4.6
–0.5to4.6
128
Unit
V
VCC
VI
SupplyVoltageRange
InputVoltageRange
V
1
24
23
22
21
20
19
18
17
16
15
14
13
VCC
OE
B1
OE
A1
ContinuousChannelCurrent
Input Clamp Current, VI/O < 0
StorageTemperatureRange
mA
mA
° C
2
IIK
–50
A2
3
TSTG
–65to+150
NOTE:
A3
4
B2
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.
A4
5
B3
A5
6
B4
A6
7
B5
A7
8
B6
A8
9
B7
A9
10
11
12
B8
A10
GND
B9
FUNCTIONTABLE(1)
B10
Inputs
OE
L
OE
L
Function
SSOP/ QSOP/ TSSOP
TOP VIEW
Disconnect
L
H
L
Disconnect
H
H
A Port = B Port
Disconnect
H
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
OPERATINGCHARACTERISTICS(1)
Symbol
Parameter
Test Conditions
Min.
Max.
Unit
V
VCC
SupplyVoltage
2.3
1.7
2
3.6
—
VIH
High-LevelControlInputVoltage
Low-LevelControlInputVoltage
OperatingFree-AirTemperature
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
TA
—
—
–40
0.7
0.8
+85
V
° C
NOTE:
1. All unused control inputs of the device must be held at VCC or GND to ensure proper device operation.
2
IDT74CBTLV3862
INDUSTRIALTEMPERATURERANGE
LOW-VOLTAGE10-BITBUSSWITCHWITHACTIVEHIGHANDLOWENABLES
DCELECTRICALCHARACTERISTICSOVEROPERATINGRANGE
FollowingConditionsApplyUnlessOtherwiseSpecified:
OperatingCondition:TA = –40°C to +85°C
Symbol Parameter
Test Conditions
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ.(1)
—
—
—
—
—
—
4
Max.
–1.2
±1
5
Unit
V
VIK
II
ControlInputs,DataI/O
VCC = 3V, II = –18mA
ControlInputs,DataI/O
Data I/O
VCC = 3.6V, VI = VCC or GND
VCC = 3.6V, VO = 0V or 3.6V switch disabled
VCC = 0V, VI or VO = 0V or 3.6V
VCC = 3.6V, IO = 0, VI = VCC or GND
VCC = 3.6V, one input at 3V, other inputs at VCC or GND
VI = 3V or 0
µ A
µ A
µ A
µ A
µ A
pF
IOZ
IOFF
ICC
50
10
300
—
—
8
(2)
ΔICC
CI
ControlInputs
ControlInputs
CIO(OFF)
VO = 3V or 0 (switch off)
6
pF
VCC = 2.3V
VI = 0
IO = 64mA
IO = 24mA
IO = 15mA
IO = 64mA
IO = 24mA
IO = 15mA
5
Typ. at VCC = 2.5V
5
8
(3)
RON
VI = 1.7V
VI = 0
27
5
40
7
Ω
VCC = 3V
5
7
VI = 2.4V
10
15
NOTES:
1. Typical Values are at VCC = 3.3V, +25°C ambient.
2. The increase in supply current is attributable to each input that is at the specified voltage level rather than VCC or GND.
3. This is measured by the voltage drop between the A and B terminals at the indicated current through the switch.
SWITCHINGCHARACTERISTICS
VCC = 2.5V ± 0.2V
VCC = 3.3V ± 0.3V
Min. Max.
Symbol
Parameter
Min.
—
Max.
Unit
(1)
tPD
PropagationDelay
A to B or B to A
OutputEnableTime
OE to A or B
0.15
—
0.25
4.2
5
ns
ns
ns
ns
ns
tEN
tDIS
tEN
tDIS
1
1
1
1
4.5
5
1
OutputDisableTime
OE to A or B
1
OutputEnableTime
OE to A or B
4.5
5
1
4.2
6
OutputDisableTime
OE to A or B
1
NOTE:
1. The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance when driven by an ideal voltage source
(zero output impededance).
3
IDT74CBTLV3862
INDUSTRIALTEMPERATURERANGE
LOW-VOLTAGE10-BITBUSSWITCHWITHACTIVEHIGHANDLOWENABLES
TEST CIRCUITS AND WAVEFORMS
TESTCONDITIONS
VIH
VT
0V
SAME PHASE
INPUT TRANSITION
Symbol
VLOAD
VIH
VCC(1)=3.3V±0.3V
VCC(2)=2.5V±0.2V
Unit
V
tPHL
tPHL
tPLH
tPLH
6
3
2 x Vcc
Vcc
VOH
VT
VOL
OUTPUT
V
VT
1.5
300
300
50
Vcc / 2
150
V
VIH
VT
0V
OPPOSITE PHASE
INPUT TRANSITION
VLZ
mV
mV
pF
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
OUTPUT
NORMALLY
LOW
Generator
SWITCH
CLOSED
VOL + VLZ
VOL
500Ω
tPHZ
RT
tPZH
CL
VOH
VOH -VHZ
OUTPUT
NORMALLY
HIGH
SWITCH
OPEN
VT
0V
0V
Test Circuits for All Outputs
NOTE:
1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
DEFINITIONS:
CL = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
Enable and Disable Times
NOTES:
1. Pulse Generator for All Pulses: Rate ≤ 10MHz; tF ≤ 2.5ns; tR ≤ 2.5ns.
2. Pulse Generator for All Pulses: Rate ≤ 10MHz; tF ≤ 2ns; tR ≤ 2ns.
SWITCHPOSITION
Test
tPLZ/tPZL
tPHZ/tPZH
tPD
Switch
VLOAD
GND
Open
4
IDT74CBTLV3862
INDUSTRIALTEMPERATURERANGE
LOW-VOLTAGE10-BITBUSSWITCHWITHACTIVEHIGHANDLOWENABLES
ORDERINGINFORMATION
XXX
XX
CBTLV
IDT
XX
Temp. Range
Device Type Package
Shrink Small Outline Package
SSOP - Green
Quarter-size Small Outline Package
PY
PYG
Q
QG QSOP - Green
Thin Shrink Small Outline Package
PG
PGG TSSOP - Green
3862
74
Low-Voltage 10-Bit Bus Switch
–40°C to +85°C
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for Tech Support:
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www.idt.com
5
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