IDT74CBTLV16214PFG [IDT]
Bus Exchanger, CBTLV/3B Series, 1-Func, 12-Bit, True Output, PDSO56, TVSOP-56;型号: | IDT74CBTLV16214PFG |
厂家: | INTEGRATED DEVICE TECHNOLOGY |
描述: | Bus Exchanger, CBTLV/3B Series, 1-Func, 12-Bit, True Output, PDSO56, TVSOP-56 解复用器 开关 |
文件: | 总5页 (文件大小:68K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
IDT74CBTLV16214
LOW-VOLTAGE 12-BIT 3:1
MUX / DEMUX BUS SWITCH
FEATURES:
DESCRIPTION:
• 5Ω A/B bi-directional switch
The CBTLV16214 provides a set of 12 high-speed buses switching
betweenthreeseparateports. ThelowONresistanceallowsinputstobe
connectedtooutputswithoutaddingpropagationdelay. TheCBTLV16214
operates as a 12-bit bus select through the data select (S0-S2) terminals.
• 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, TSSOP, and TVSOP packages
APPLICATIONS:
• Muxing and demuxing
• 3.3V High Speed Bus Switching and Bus Isolation
• Hot-swapping, hot-docking
FUNCTIONALBLOCKDIAGRAM
SIMPLIFIEDSCHEMATIC,EACH
SWITCH
2
54
SW
1A
1B1
1B2
1B3
53
SW
3
SW
A
B
27
30
29
28
SW
12A
12B1
12B2
12B3
SW
SW
FLOW CONTROL
CIRCUITRY
1
S0
S1
S2
56
55
TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.
INDUSTRIAL TEMPERATURE RANGE
AUGUST 2002
1
c
2002 Integrated Device Technology, Inc.
DSC-5890/5
IDT74CBTLV16214
INDUSTRIALTEMPERATURERANGE
LOW-VOLTAGE12-BIT3:1MUX/DEMUXBUSSWITCH
ABSOLUTEMAXIMUMRATINGS(1)
PINCONFIGURATION
Symbol Description
Max.
–0.5to4.6
–0.5to4.6
128
Unit
V
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1
S0
1A
S1
VCC
VI
SupplyVoltageRange
2
S2
InputVoltageRange
V
3
ContinuousChannelCurrent
Input Clamp Current, VI/O < 0
StorageTemperatureRange
mA
mA
°C
1B3
2A
1B1
1B2
2B1
2B2
3B1
GND
3B2
4B1
4B2
5B1
5B2
6B1
6B2
7B1
7B2
8B1
GND
8B2
9B1
9B2
10B1
10B2
11B1
11B2
12B1
12B2
IIK
–50
4
TSTG
–65to+150
5
2B3
3A
NOTE:
6
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.
7
3B3
GND
4A
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
4B3
5A
5B3
6A
PINDESCRIPTION
Pin Names
Sx
Description
6B3
7A
DataSelectInputs
xA
PortAInputsorOutputs
PortBInputsorOutputs
7B3
VCC
8A
xBx
FUNCTIONTABLE(1)
GND
8B3
9A
Inputs
Inputs/Outputs
S2
L
S1
L
S0
L
A
Z
Operation
Disconnect
9B3
10A
10B3
11A
11B3
12A
12B3
L
L
H
L
B1
B2
Z
A Port = B1 Port
A Port = B2 Port
Disconnect
L
H
H
L
L
H
L
H
H
H
H
Z
Disconnect
L
H
L
B3
B1
B2
A Port = B3 Port
A Port = B1 Port
A Port = B2 Port
H
H
H
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
Z = High-Impedance
SSOP/ TSSOP/ TVSOP
TOP VIEW
OPERATINGCHARACTERISTICS(1)
Symbol
Parameter
Test Conditions
Min.
2.3
1.7
2
Max.
3.6
—
Unit
V
VCC
SupplyVoltage
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
—
0.7
0.8
+85
V
—
–40
°C
NOTE:
1. All unused control inputs of the device must be held at VCC or GND to ensure proper device operation.
2
IDT74CBTLV16214
INDUSTRIALTEMPERATURERANGE
LOW-VOLTAGE12-BIT3:1MUX/DEMUXBUSSWITCH
DCELECTRICALCHARACTERISTICSOVEROPERATINGRANGE
FollowingConditionsApplyUnlessOtherwiseSpecified:
Operating Condition: TA = –40°C to +85°C
Symbol
VIK
Parameter
Test Conditions
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ.(1)
—
—
—
—
—
—
4
Max.
–1.2
±1
5
Unit
V
ControlInputs, DataI/O
ControlInputs
Data I/O
VCC = 3V, II = –18mA
II
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
µA
µA
µA
µA
µA
pF
IOZ
IOFF
ICC
10
10
300
—
—
—
8
(2)
∆ICC
ControlInputs
CI
ControlInputs
CIO(OFF)
A
VO = 3V or 0 (switch off)
20
7.5
5
pF
B
Max. at VCC = 2.3V
Typ. at VCC = 2.5V
VI = 0
IO = 64mA
IO = 24mA
IO = 15mA
IO = 64mA
IO = 24mA
IO = 15mA
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 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
PropagationDelay
S to A or B
0.15
—
0.25
ns
ns
ns
ns
tPD
tEN
tDIS
1
1
1
6.5
6.5
7
1
6
OutputEnableTime
S to A or B
1
6
OutputDisabletime
S to A or B
1
6.5
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
IDT74CBTLV16214
INDUSTRIALTEMPERATURERANGE
LOW-VOLTAGE12-BIT3:1MUX/DEMUXBUSSWITCH
TEST CIRCUITS AND WAVEFORMS
TESTCONDITIONS
VCC(1)=3.3V±0.3V
VCC(2)=2.5V±0.2V
Unit
V
VIH
VT
0V
Symbol
VLOAD
VIH
SAME PHASE
INPUT TRANSITION
6
2 x Vcc
Vcc
tPHL
tPHL
tPLH
tPLH
3
V
VOH
VT
VOL
OUTPUT
VT
1.5
300
300
50
Vcc / 2
150
V
VLZ
mV
mV
pF
VIH
VT
0V
VHZ
150
OPPOSITE PHASE
INPUT TRANSITION
CL
30
Propagation Delay
VLOAD
Open
GND
VCC
DISABLE
ENABLE
VIH
VT
CONTROL
INPUT
500Ω
0V
tPZL
tPLZ
VIN
VOUT
(1, 2)
Pulse
VLOAD/2
D.U.T.
VLOAD/2
OUTPUT
NORMALLY
LOW
Generator
SWITCH
CLOSED
VT
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
IDT74CBTLV16214
INDUSTRIALTEMPERATURERANGE
LOW-VOLTAGE12-BIT3:1MUX/DEMUXBUSSWITCH
ORDERINGINFORMATION
XXX
XX
CBTLV
IDT
XX
Temp. Range
Device Type Package
PV
PA
PF
Shrink Small Outline Package
Thin Shrink Small Outline Package
Thin Very Small Outline Package
16214
74
Low-Voltage 12-Bit 3:1 Mux / Demux Bus Switch
–40°C to +85°C
CORPORATE HEADQUARTERS
2975StenderWay
Santa Clara, CA 95054
for SALES:
for Tech Support:
logichelp@idt.com
(408) 654-6459
800-345-7015 or 408-727-6116
fax: 408-492-8674
www.idt.com
5
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