SN65MLVD047 [TI]

MULTIPOINT-LVDS QUAD DIFFERENTIAL LINE DRIVER; 多点LVDS四路差分线路驱动器
SN65MLVD047
型号: SN65MLVD047
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

MULTIPOINT-LVDS QUAD DIFFERENTIAL LINE DRIVER
多点LVDS四路差分线路驱动器

驱动器
文件: 总17页 (文件大小:238K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
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ꢄꢋ ꢅꢌ ꢍꢎꢏꢍ ꢁ ꢌꢐ ꢅꢆꢇ ꢀ ꢑ ꢋꢒ ꢇ ꢇꢍ ꢓꢓ ꢔꢕ ꢔꢁ ꢌꢍ ꢒꢅ ꢅꢍ ꢁꢔ ꢇ ꢕꢍ ꢆꢔ ꢕ  
FEATURES  
DESCRIPTION  
D
Differential Line Drivers for 30-to 55-Ω  
Loads and Data Rates Up to 200 Mbps,  
Clock Frequencies up to 100 MHz  
The SN65MLVD047 is a quadruple line driver that  
complies with the TIA/EIA-899 standard, Electrical  
Characteristics of Multipoint-Low-Voltage Differential  
Signaling (M−LVDS). The output current of this M−LVDS  
device has been increased, in comparison to standard  
LVDS compliant devices, in order to support doubly  
terminated transmission lines and heavily loaded  
backplane bus applications. Backplane applications  
generally require impedance matching termination  
resistors at both ends of the bus. The effective impedance  
of a doubly terminated bus can be as low as 30 due to  
the bus terminations, as well as the capacitive load of bus  
interface devices. SN65MLVD047 drivers allow for  
operation with loads as low as 30 . The SN65MLVD047  
devices allow for multiple drivers to be present on a single  
bus. SN65MLVD047 drivers are high impedance when  
disabled or unpowered. Driver edge rate control is  
incorporated to support operation. The M−LVDS standard  
allows up to 32 nodes (drivers and/or receivers) to be  
connected to the same media in a backplane when  
multiple bus stubs are expected from the main  
(1)  
D
D
D
D
Supports Multipoint Bus Architectures  
Meets the Requirements of TIA/EIA-899  
Operates from a Single 3.3-V Supply  
Characterized for Operation from −405C to  
855C  
D
16-Pin SOIC (JEDEC MS-012) and 16-Pin  
TSSOP (JEDEC MS-153) Packaging  
APPLICATIONS  
D
D
D
AdvancedTCAE (ATCAE) Clock Bus Driver  
Clock Distribution  
Backplane or Cabled Multipoint Data  
Transmission in Telecommunications,  
Automotive, Industrial, and Other Computer  
Systems  
transmission  
line  
to  
interface  
devices.  
The  
D
D
D
D
Cellular Base Stations  
SN65MLVD047 provides 9-kV ESD protection on all bus  
pins.  
Central-Office and PBX Switching  
Bridges and Routers  
Low-Power High-Speed Short-Reach  
Alternative to TIA/EIA-485  
LOGIC DIAGRAM (POSITIVE LOGIC)  
EN  
EN  
1 Y  
1A  
1 Z  
2 Y  
2A  
2 Z  
3 Y  
3A  
3 Z  
4 Y  
4A  
4 Z  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments  
semiconductor products and disclaimers thereto appears at the end of this data sheet.  
(1)  
The data rate of a line, is the number of voltage transitions that are made per second expressed in the units bps (bits per second).  
AdvancedTCA and ATCA are trademarks of the PCI Industrial Computer Manufacturers Group.  
ꢎꢕ ꢏ ꢇꢋ ꢖ ꢌꢍ ꢏꢁ ꢇ ꢒꢌꢒ ꢗꢘ ꢙꢚ ꢛ ꢜꢝ ꢞꢗꢚꢘ ꢗꢟ ꢠꢡ ꢛ ꢛ ꢢꢘꢞ ꢝꢟ ꢚꢙ ꢣꢡꢤ ꢥꢗꢠ ꢝꢞꢗ ꢚꢘ ꢦꢝ ꢞꢢꢧ ꢎꢛ ꢚꢦꢡ ꢠꢞꢟ  
ꢠ ꢚꢘ ꢙꢚꢛ ꢜ ꢞꢚ ꢟ ꢣꢢ ꢠ ꢗ ꢙꢗ ꢠ ꢝ ꢞꢗ ꢚꢘꢟ ꢣ ꢢꢛ ꢞꢨꢢ ꢞꢢ ꢛ ꢜꢟ ꢚꢙ ꢌꢢꢩ ꢝꢟ ꢍꢘꢟ ꢞꢛ ꢡꢜ ꢢꢘꢞ ꢟ ꢟꢞ ꢝꢘꢦ ꢝꢛ ꢦ ꢪ ꢝꢛ ꢛ ꢝ ꢘꢞꢫꢧ  
ꢎꢛ ꢚ ꢦꢡꢠ ꢞ ꢗꢚ ꢘ ꢣꢛ ꢚ ꢠ ꢢ ꢟ ꢟ ꢗꢘ ꢬ ꢦꢚ ꢢ ꢟ ꢘꢚꢞ ꢘꢢ ꢠꢢ ꢟꢟ ꢝꢛ ꢗꢥ ꢫ ꢗꢘꢠ ꢥꢡꢦ ꢢ ꢞꢢ ꢟꢞꢗ ꢘꢬ ꢚꢙ ꢝꢥ ꢥ ꢣꢝ ꢛ ꢝꢜ ꢢꢞꢢ ꢛ ꢟꢧ  
Copyright 2004, Texas Instruments Incorporated  
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SLLS606 − MARCH 2004  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during  
storage or handling to prevent electrostatic damage to the MOS gates.  
ORDERING INFORMATION  
PART NUMBER  
PACKAGE MARKING  
MLVD047  
PACKAGE/CARRIER  
16-Pin SOIC/Tube  
SN65MLVD047D  
SN65MLVD047DR  
SN65MLVD047PW  
SN65MLVD047PWR  
MLVD047  
16-Pin SOIC/Tape and Reel  
16-Pin TSSOP/Tube  
MLVD047  
MLVD047  
16-Pin TSSOP/Tape and Reel  
PACKAGE DISSIPATION RATINGS  
PCB JEDEC  
STANDARD  
T
25°C  
DERATING FACTOR  
(1)  
T = 85°C  
A
POWER RATING  
A
PACKAGE  
POWER RATING  
ABOVE T = 25°C  
A
(2)  
D(16)  
Low-K  
898 mW  
7.81 mW/_C  
5.15 mW/_C  
8.22 mW/_C  
429 mW  
(2)  
Low-K  
592 mW  
283 mw  
PW(16)  
(3)  
High-K  
945 mW  
452 mw  
(1)  
(2)  
(3)  
This is the inverse of the junction-to-ambient thermal resistance when board mounted and with no air flow.  
In accordance with the Low-K thermal metric difinitions of EIA/JESD51−3.  
In accordance with the High-K thermal metric difinitions of EIA/JESD51−7.  
ABSOLUTE MAXIMUM RATINGS  
over operating free-air temperature range unless otherwise noted  
(1)  
UNITS  
−0.5 V to 4 V  
−0.5 V to 4 V  
−1.8 V to 4 V  
9 kV  
(2)  
Supply voltage range , V  
CC  
Input voltage range, V  
A, EN, EN  
I
Output voltage range, V  
Y, Z  
O
Y and Z  
All pins  
All pins  
All pins  
(3)  
Human Body Model  
4 kV  
Electrostatic discharge  
Junction temperature, T  
(4)  
Charged-Device Model  
1500 V  
(5)  
Machine Model  
200 V  
140°C  
J
Continuous power dissipation, P  
See Dissipation Rating Table  
D
(1)  
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and  
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not  
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
All voltage values, except differential I/O bus voltages, are with respect to the circuit ground terminal.  
Tested in accordance with JEDEC Standard 22, Test Method A114−B.  
(2)  
(3)  
(4)  
(5)  
Tested in accordance with JEDEC Standard 22, Test Method C101−A.  
Tested in accordance with JEDEC Standard 22, Test Method A115−A.  
2
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RECOMMENDED OPERATING CONDITIONS (see Figure 1)  
MIN NOM  
MAX UNIT  
Supply voltage, V  
CC  
3
2
3.3  
3.6  
V
V
V
V
High-level input voltage, V  
IH  
V
CC  
0.8  
Low-level input voltage, V  
IL  
0
Voltage at any bus terminal (separate or common mode) V or V  
−1.4  
30  
3.8  
55  
Y
Z
Differential load resistance, R  
L
Signaling rate, 1/t  
Clock frequency  
200 Mbps  
100 MHz  
UI  
Junction temperature, T  
−40  
125  
°C  
J
THERMAL CHARACTERISTICS  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
(1)  
Low-K board , no airflow  
(1)  
D
128  
194.2  
146.8  
133.1  
121.6  
51.1  
Low-K board , no airflow  
(1)  
Low-K board , 150 LFM  
(1)  
Junction-to-ambient thermal resistance, ΘJA  
°C/W  
PW  
Low-K board , 250 LFM  
(2)  
High-K board , no airflow  
D
(2)  
Junction-to-board thermal resistance, ΘJB  
High-K board  
°C/W  
°C/W  
PW  
D
85.3  
45.4  
Junction-to-case thermal resistance, Θ  
JC  
PW  
34.7  
EN = V , EN = GND, R = 50 ,  
CC  
L
Device power dissipation, P  
Input 100 MHz 50 % duty cycle square wave to  
1A:4A, T = 85°C  
288.5  
mW  
D
A
(1)  
(2)  
In accordance with the Low-K thermal metric difinitions of EIA/JESD51−3.  
In accordance with the High-K thermal metric difinitions of EIA/JESD51−7.  
DEVICE ELECTRICAL CHARACTERISTICS  
over recommended operating conditions unless otherwise noted  
(1)  
MIN  
(2)  
TYP  
PARAMETER  
TEST CONDITIONS  
MAX  
UNIT  
EN = V , EN = GND, R = 50 Ω, All inputs = V  
GND  
or  
CC CC  
L
Driver enabled  
Driver disabled  
59  
70  
I
Supply current  
mA  
CC  
EN = GND, EN = V , R = No load, All inputs = V  
or  
CC  
L
CC  
2
4
GND  
(1)  
(2)  
The algebraic convention, in which the least positive (most negative) limit is designated as minimum is used in this data sheet.  
All typical values are at 25°C and with a 3.3-V supply voltage.  
3
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SLLS606 − MARCH 2004  
DEVICE ELECTRICAL CHARACTERISTICS  
over recommended operating conditions unless otherwise noted  
(1)  
MIN  
(2)  
TYP  
PARAMETER  
TEST CONDITIONS  
MAX  
UNIT  
LVTTL (EN, EN, 1A:4A)  
|I  
|I  
|
0
0
10  
10  
µA  
µA  
pF  
High-level input current  
Low-level input current  
Input capacitance  
V
V
= 2 V or V  
CC  
IH  
IH  
|
= GND or 0.8 V  
IL  
IL  
(3)  
C
5
V = 0.4 sin(30E6πt) + 0.5 V  
I
i
M−LVDS (1Y/1Z:4Y/4Z)  
V  
480  
−50  
0.8  
650  
50  
mV  
mV  
V
Differential output voltage magnitude  
YZ  
See Figure 2  
See Figure 3  
Change in differential output voltage magnitude  
between logic states  
V  
YZ  
V
1.2  
50  
Steady-state common-mode output voltage  
OS(SS)  
Change in steady-state common-mode output  
voltage between logic states  
V  
−50  
mV  
mV  
V
OS(SS)  
OS(PP)  
Y(OC)  
V
V
150  
2.4  
Peak-to-peak common-mode output voltage  
Maximum steady-state open-circuit output  
voltage  
0
0
See Figure 7  
See Figure 5  
Maximum steady-state open-circuit output  
voltage  
V
2.4  
V
Z(OC)  
V
V
I  
1.2V  
V
V
Voltage overshoot, low-to-high level output  
Voltage overshoot, high-to-low level output  
P(H)  
SS  
−0.2 V  
P(L)  
SS  
24  
10  
mA  
Differential short-circuit output current magnitude See Figure 4  
OS  
−1.4 V (V or V ) 3.8 V,  
Y
Z
I
−15  
−10  
µA  
µA  
High-impedance state output current  
OZ  
Other output = 1.2 V  
−1.4 V (V or V ) 3.8 V,  
Y
Z
I
10  
Power-off output current  
Other output = 1.2 V,  
= 0 V  
O(OFF)  
V
CC  
V
0.5 V,  
or V = 0.4 sin(30E6πt) +  
Y
Z
(3)  
C
or C  
3
pF  
pF  
Output capacitance  
Y
Z
Other input at 1.2 V, driver disabled  
(3)  
V
= 0.4 sin(30E6πt) V,  
YZ  
Driver disabled  
C
C
2.5  
Differential output capacitance  
YZ  
0.99  
1.01  
Output capacitance balance, (C /C )  
Y/Z  
Y
Z
(1)  
(2)  
(3)  
The algebraic convention, in which the least positive (most negative) limit is designated as minimum is used in this data sheet.  
All typical values are at 25°C and with a 3.3-V supply voltage.  
HP4194A impedance analyzer (or equivalent)  
4
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SWITCHING CHARACTERISTICS  
over recommended operating conditions unless otherwise noted  
(1)  
MIN TYP  
PARAMETER  
TEST CONDITIONS  
MAX  
2.4  
2.4  
1.9  
1.9  
100  
100  
600  
1
UNIT  
ns  
ns  
ns  
ns  
ps  
ps  
ps  
ps  
ps  
ps  
ns  
ns  
ns  
ns  
t
t
t
t
t
t
t
t
t
t
t
t
t
t
1
1
1
1
1.5  
1.5  
Propagation delay time, low-to-high-level output  
Propagation delay time, high-to-low-level output  
Differential output signal rise time  
Differential output signal fall time  
Output skew  
pLH  
pHL  
r
See Figure 5  
f
sk(o)  
sk(p)  
sk(pp)  
jit(per)  
jit(c−c)  
jit(pp)  
pZH  
pZL  
22  
Pulse skew (|t  
− t  
|)  
pHL pLH  
(2)  
Part-to-part skew  
(3)  
0.2  
5
Period jitter, rms (1 standard deviation)  
All inputs 100 MHz clock input  
All inputs 100 MHz clock input  
(3)  
36  
158  
7
Cycle-to-cycle jitter  
(3)(4)  
Peak-to-peak jitter  
15  
46  
All inputs 200 Mbps 2 −1 PRBS input  
Enable time, high-impedance-to-high-level output  
Enable time, high-impedance-to-low-level output  
Disable time, high-level-to-high-impedance output  
See Figure 6  
See Figure 6  
7
8
pHZ  
pLZ  
8
Disable time, low-level-to-high-impedance output  
(1)  
(2)  
All typical values are at 25°C and with a 3.3-V supply voltage.  
t
is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices operate  
sk(pp)  
with the same supply voltages, at the same temperature, and have identical packages and test circuits.  
Stimulus jitter has been subtracted from the measurements.  
(3)  
(4)  
Peak-to-peak jitter includes jitter due to pulse skew (t  
).  
sk(p)  
5
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PARAMETER MEASUREMENT INFORMATION  
V
CC  
I
Y
Y
Z
I
I
D
V
YZ  
I
Z
V
Y
V
I
V
OS  
V
Z
V
Y
+ V  
2
Z
Figure 1. Driver Voltage and Current Definitions  
3.32 kΩ  
Y
+
−1 V V  
test  
3.4 V  
V
YZ  
49.9 Ω  
3.32 kΩ  
D
_
Z
:
NOTE All resistors are 1% tolerance.  
Figure 2. Differential Output Voltage Test Circuit  
Y
Z
R1  
24.9 Ω  
1.3 V  
0.7 V  
Y
C1  
1 pF  
D
V
nV  
OS(SS)  
OS(PP)  
V
OS  
Z
C3  
2.5 pF  
R2  
24.9 Ω  
V
OS(SS)  
C2  
1 pF  
NOTES:A. All input pulses are supplied by a generator having the following characteristics: t or t 1 ns, pulse frequency = 500 kHz,  
r
f
duty cycle = 50 5%.  
B. C1, C2 and C3 include instrumentation and fixture capacitance within 2 cm of the D.U.T. and are 20%.  
C. R1 and R2 are metal film, surface mount, 1%, and located within 2 cm of the D.U.T.  
D. The measurement of V  
is made on test equipment with a −3 dB bandwidth of at least 1 GHz.  
OS(PP)  
Figure 3. Test Circuit and Definitions for the Common-Mode Output Voltage  
I
OS  
Y
Z
0 V or V  
CC  
+
V
Test  
−1 V to 3.4 V  
Figure 4. Short-Circuit Test Circuit  
6
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Y
Z
C1  
1 pF  
C3  
0.5 pF  
R1  
50 Ω  
Output  
D
C2  
1 pF  
V
CC  
V
CC  
/2  
Input  
0 V  
t
pLH  
t
pHL  
V
SS  
0.9V  
V
P(H)  
SS  
Output  
0 V  
V
P(L)  
0.1V  
SS  
0 V  
SS  
t
f
t
r
NOTES:A. All input pulses are supplied by a generator having the following characteristics: t or t 1 ns, frequency = 500 kHz,  
r
f
duty cycle = 50 5%.  
B. C1, C2, and C3 include instrumentation and fixture capacitance within 2 cm of the D.U.T. and are 20%.  
C. R1 is a metal film, surface mount, and 1% tolerance and located within 2 cm of the D.U.T.  
D. The measurement is made on test equipment with a −3 dB bandwidth of at least 1 GHz.  
Figure 5. Driver Test Circuit, Timing, and Voltage Definitions for the Differential Output Signal  
R1  
24.9 Ω  
Y
C1  
1 pF  
D
C4  
0.5 pF  
0 V or V  
CC  
Output  
C3  
2.5 pF  
C2  
1 pF  
Z
R2  
24.9 Ω  
Input  
EN or EN  
EN  
V
CC  
V
CC  
/2  
EN  
0 V  
t
t
t
pZH  
pHZ  
0.6 V  
0.1 V  
Output With  
0 V  
D at V  
CC  
t
pZL  
pLZ  
Output With  
D at 0 V  
0 V  
−0.1 V  
−0.6 V  
NOTES:A. All input pulses are supplied by a generator having the following characteristics: t or t 1 ns, frequency = 500 kHz, duty cycle = 50  
r
f
5%.  
B. C1, C2, C3, and C4 includes instrumentation and fixture capacitance within 2 cm of the D.U.T. and are 20%.  
C. R1 and R2 are metal film, surface mount, and 1% tolerance and located within 2 cm of the D.U.T.  
D. The measurement is made on test equipment with a −3 dB bandwidth of at least 1 GHz.  
Figure 6. Driver Enable and Disable Time Circuit and Definitions  
7
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Y
Z
0 V or V  
CC  
V , or V  
Y
1.62 k, 1%  
Z
Figure 7. Driver Maximum Steady State Output Voltage  
V
V
CC  
CLOCK  
INPUT  
/2  
CC  
0 V  
1/f0  
Period Jitter  
IDEAL  
OUTPUT  
V
V
CC  
0 V  
PRBS INPUT  
/2  
CC  
V
Y
−V  
Z
1/f0  
0 V  
ACTUAL  
OUTPUT  
Peak to Peak Jitter  
0 V  
V
V
−V  
Z
Y
V
Y
−V  
Z
OUTPUT  
0 V  
−V  
t
c(n)  
=t  
t
−1/f0  
Y
Z
jit(per)  
c(n)  
t
jit(pp)  
Cycle to Cycle Jitter  
OUTPUT  
0 V  
V
Y
− V  
Z
t
t
c(n+1)  
c(n)  
t
= | t |  
− t  
jit(cc)  
c(n) c(n+1)  
NOTES:A. All input pulses are supplied by an Agilent 8304A Stimulus System.  
B. The measurement is made on a TEK TDS6604 running TDSJIT3 application software  
C. Period jitter and cycle-to-cycle jitter are measured using a 100 MHz 50 1% duty cycle clock input.  
15  
D. Peak-to-peak jitter is measured using a 200 Mbps 2 −1 PRBS input.  
Figure 8. Driver Jitter Measurement Waveforms  
DEVICE INFORMATION  
PIN ASSIGNMENTS  
D PACKAGE  
(TOP VIEW)  
PW PACKAGE  
(TOP VIEW)  
1
2
3
4
5
6
7
8
16  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
EN  
1A  
2A  
VCC  
GND  
3A  
1Z  
1Y  
2Y  
2Z  
3Z  
3Y  
4Y  
4Z  
EN  
1A  
2A  
VCC  
GND  
3A  
1Z  
1Y  
2Y  
2Z  
3Z  
3Y  
4Y  
4Z  
15  
14  
13  
12  
11  
10  
9
4A  
EN  
4A  
EN  
8
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DEVICE FUNCTION TABLE  
INPUTS  
EN  
OUTPUTS  
D
EN  
Y
Z
L
H
H
L
L
L
X
L
H
L
Z
Z
H
L
H
Z
Z
H
OPEN  
X
H
L or OPEN  
X
X
H or OPEN  
H = high level, L = low level, Z = high impedance, X = Don’t care  
EQUIVALENT INPUT AND OUTPUT SCHEMATIC DIAGRAMS  
DRIVER OUTPUT  
DRIVER INPUT AND POSITIVE DRIVER ENABLE  
NEGATIVE DRIVER ENABLE  
V
CC  
V
CC  
V
CC  
360 kΩ  
400 Ω  
400 Ω  
D or EN  
7 V  
Y or Z  
EN  
7 V  
360 kΩ  
9
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www.ti.com  
SLLS606 − MARCH 2004  
TYPICAL CHARACTERISTICS  
RMS SUPPLY CURRENT  
RMS SUPPLY CURRENT  
vs  
vs  
INPUT FREQUENCY  
FREE-AIR TEMPERATURE  
80  
65  
64  
63  
62  
61  
60  
V
= 3.3 V,  
V
T
= 3.3 V,  
CC  
f = 50 MHz,  
EN = V  
CC  
A
= 255C,  
,
EN = V  
,
CC  
EN = GND,  
= 50 W  
75  
70  
65  
60  
55  
50  
CC  
EN = GND,  
= 50 W,  
R
R
L
L
All Inputs  
−40  
−15  
10  
35  
60  
85  
25  
50  
75  
100  
125  
T
A
− Free-Air Temperature − °C  
f − Input Frequency − MHz  
Figure 9  
Figure 10  
DRIVER PROPAGATION DELAY TIME  
DIFFERENTIAL OUTPUT VOLTAGE MAGNITUDE  
vs  
vs  
FREE-AIR TEMPERATURE  
INPUT FREQUENCY  
600  
580  
560  
540  
520  
500  
1.54  
T
R
= 255C,  
= 50 W  
V
= 3.3 V,  
A
L
CC  
f = 500 kHz,  
= 50 W  
V
= 3.6 V  
CC  
1.52  
1.5  
t
PHL  
R
L
V
CC  
= 3.3 V  
t
1.48  
1.46  
1.44  
1.42  
1.4  
PLH  
V
CC  
= 3 V  
1.38  
1.36  
1.34  
25  
50  
75  
100  
125  
−40  
−15  
10  
35  
60  
85  
f − Input Frequency − MHz  
T
A
− Free-Air Temperature − °C  
Figure 12  
Figure 11  
10  
ꢀꢁ ꢂꢃ ꢄꢅꢆ ꢇꢈ ꢉꢊ  
www.ti.com  
SLLS606 − MARCH 2004  
TYPICAL CHARACTERISTICS  
DRIVER TRANSITION TIME  
PEAK-TO-PEAK JITTER  
vs  
vs  
FREE-AIR TEMPERATURE  
DATA RATE  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
1.8  
V
V
T
= 3.3 V,  
= 255C,  
= 3.3 V,  
CC  
A
CC  
f = 500 kHz,  
= 50 W  
15  
All Inputs = 2 −1 PRBS NRZ,  
(See Figure 8)  
R
L
1.7  
1.6  
1.5  
1.4  
1.3  
1.2  
t
f
t
r
−40  
−15  
10  
35  
60  
85  
50  
100  
150  
200  
250  
T
A
− Free-Air Temperature − °C  
Data Rate − Mbps  
Figure 13  
Figure 14  
PERIOD JITTER  
vs  
CYCLE-TO-CYCLE JITTER  
vs  
CLOCK FREQUENCY  
CLOCK FREQUENCY  
10  
9
8
7
6
5
4
3
2
1
0
1
0.9  
0.8  
V
T
= 3.3 V,  
= 255C,  
V
= 3.3 V,  
CC  
= 255C,  
CC  
A
T
A
All Inputs = Clock  
(See Figure 8)  
All Inputs = Clock  
(See Figure 8)  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0
25  
50  
75  
100  
125  
25  
50  
75  
100  
125  
f − Clock Frequency − MHz  
f − Clock Frequency − MHz  
Figure 15  
Figure 16  
11  
ꢀ ꢁꢂꢃ ꢄꢅꢆꢇ ꢈ ꢉꢊ  
www.ti.com  
SLLS606 − MARCH 2004  
APPLICATION INFORMATION  
SYNCHRONIZATION CLOCK IN ADVANCEDTCA  
Advanced Telecommunications Computing Architecture, also known as AdvancedTCA, is an open architecture to meet  
the needs of the rapidly changing communications network infrastructure. M−LVDS bused clocking is recommended by  
the ATCA.  
The ATCA specification includes requirements for three redundant clock signals. An 8-KHz and a 19.44-MHz clock signal,  
as well as an user-defined clock signal are included in the specification. The SN65MLVD047 quad driver supports  
distribution of these three ATCA clock signals, supporting operation beyond 100 MHz, which is the highest clock frequency  
included in the ATCA specification. A pair of SN65MLVD047 devices can be used to support the ATCA redundancy  
requirements.  
MULTIPOINT CONFIGURATION  
The SN65MLVD047 is designed to meet or exceed the requirement of the TIA/EIA−899 (M−LVDS) standard, which allows  
multipoint communication on a shared bus.  
Multipoint is a bus configuration with multiple drivers and receivers present. An example is shown in Figure 17. The figure  
shows transceivers interfacing to the bus, but a combination of drivers, receivers, and transceivers is also possible.  
Termination resistors need to be placed on each end of the bus, with the termination resistor value matched to the loaded  
bus impedance.  
Figure 17. Multipoint Architecture  
MULTIDROP CONFIGURATION  
Multidrop configuration is similar to multipoint configuration, but only one driver is present on the bus. A multidrop system  
can be configured with the driver at one end of the bus, or in the middle of the bus. When a driver is located at one end,  
a single termination resistor is located at the far end, close to the last receiver on the bus. Alternatively, the driver can be  
located in the middle of the bus, to reduce the maximum flight time. With a centrally located driver, termination resistors  
are located at each end of the bus. In both cases the termination resistor value should be matched to the loaded bus  
impedance. Figure 18 shows examples of both cases.  
12  
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www.ti.com  
SLLS606 − MARCH 2004  
D
Z
t
Z
t
Z
t
D
Figure 18. Multidrop Architectures With Different Driver Locations  
UNUSED CHANNEL  
The SN65MLVD047 is designed to meet or exceed the requirement of the TIA/EIA−899 (M−LVDS) standard, which allows  
multipoint communication on a standard bus. A 360-kpull-down resistor is built in every LVTTL input. The unused driver  
inputs and outputs may be left floating.  
13  
PACKAGE OPTION ADDENDUM  
www.ti.com  
26-Apr-2005  
PACKAGING INFORMATION  
Orderable Device  
SN65MLVD047D  
SN65MLVD047DR  
Status (1)  
ACTIVE  
ACTIVE  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
SOIC  
D
16  
40 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
SOIC  
D
16  
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
SN65MLVD047PW  
ACTIVE  
ACTIVE  
TSSOP  
TSSOP  
PW  
PW  
16  
16  
90  
TBD  
CU NIPDAU Level-1-220C-UNLIM  
SN65MLVD047PWG4  
90 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
SN65MLVD047PWR  
ACTIVE  
ACTIVE  
TSSOP  
TSSOP  
PW  
PW  
16  
16  
2000  
TBD  
CU NIPDAU Level-1-220C-UNLIM  
SN65MLVD047PWRG4  
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in  
a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2)  
Eco Plan  
-
The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS  
&
no Sb/Br)  
-
please check  
http://www.ti.com/productcontent for the latest availability information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements  
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered  
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame  
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)  
(3)  
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder  
temperature.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is  
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the  
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take  
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on  
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited  
information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI  
to Customer on an annual basis.  
Addendum-Page 1  
MECHANICAL DATA  
MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999  
PW (R-PDSO-G**)  
PLASTIC SMALL-OUTLINE PACKAGE  
14 PINS SHOWN  
0,30  
0,19  
M
0,10  
0,65  
14  
8
0,15 NOM  
4,50  
4,30  
6,60  
6,20  
Gage Plane  
0,25  
1
7
0°8°  
A
0,75  
0,50  
Seating Plane  
0,10  
0,15  
0,05  
1,20 MAX  
PINS **  
8
14  
16  
20  
24  
28  
DIM  
3,10  
2,90  
5,10  
4,90  
5,10  
4,90  
6,60  
6,40  
7,90  
9,80  
9,60  
A MAX  
A MIN  
7,70  
4040064/F 01/97  
NOTES: A. All linear dimensions are in millimeters.  
B. This drawing is subject to change without notice.  
C. Body dimensions do not include mold flash or protrusion not to exceed 0,15.  
D. Falls within JEDEC MO-153  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
IMPORTANT NOTICE  
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,  
enhancements, improvements, and other changes to its products and services at any time and to discontinue  
any product or service without notice. Customers should obtain the latest relevant information before placing  
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms  
and conditions of sale supplied at the time of order acknowledgment.  
TI warrants performance of its hardware products to the specifications applicable at the time of sale in  
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI  
deems necessary to support this warranty. Except where mandated by government requirements, testing of all  
parameters of each product is not necessarily performed.  
TI assumes no liability for applications assistance or customer product design. Customers are responsible for  
their products and applications using TI components. To minimize the risks associated with customer products  
and applications, customers should provide adequate design and operating safeguards.  
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,  
copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process  
in which TI products or services are used. Information published by TI regarding third-party products or services  
does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.  
Use of such information may require a license from a third party under the patents or other intellectual property  
of the third party, or a license from TI under the patents or other intellectual property of TI.  
Reproduction of information in TI data books or data sheets is permissible only if reproduction is without  
alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction  
of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for  
such altered documentation.  
Resale of TI products or services with statements different from or beyond the parameters stated by TI for that  
product or service voids all express and any implied warranties for the associated TI product or service and  
is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.  
Following are URLs where you can obtain information on other Texas Instruments products and application  
solutions:  
Products  
Applications  
Audio  
Amplifiers  
amplifier.ti.com  
www.ti.com/audio  
Data Converters  
dataconverter.ti.com  
Automotive  
www.ti.com/automotive  
DSP  
dsp.ti.com  
Broadband  
Digital Control  
Military  
www.ti.com/broadband  
www.ti.com/digitalcontrol  
www.ti.com/military  
Interface  
Logic  
interface.ti.com  
logic.ti.com  
Power Mgmt  
Microcontrollers  
power.ti.com  
Optical Networking  
Security  
www.ti.com/opticalnetwork  
www.ti.com/security  
www.ti.com/telephony  
www.ti.com/video  
microcontroller.ti.com  
Telephony  
Video & Imaging  
Wireless  
www.ti.com/wireless  
Mailing Address:  
Texas Instruments  
Post Office Box 655303 Dallas, Texas 75265  
Copyright 2005, Texas Instruments Incorporated  

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