SN65MLVD047APWG4 [TI]

Multipoint-LVDS Quad Differential Line Driver 16-TSSOP -40 to 85;
SN65MLVD047APWG4
型号: SN65MLVD047APWG4
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

Multipoint-LVDS Quad Differential Line Driver 16-TSSOP -40 to 85

驱动 光电二极管 接口集成电路 驱动器
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SN65MLVD047A  
www.ti.com  
SLLS736A − JULY 2006 − REVISED MAY 2008  
MULTIPOINT-LVDS QUAD DIFFERENTIAL LINE DRIVER  
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 SN65MLVD047A 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. SN65MLVD047A drivers allow for  
operation with loads as low as 30 . The SN65MLVD047A  
devices allow for multiple drivers to be present on a single  
bus. SN65MLVD047A 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  
SN65MLVD047A 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  
1 Z  
1A  
2A  
2 Y  
2 Z  
3 Y  
3 Z  
3A  
4A  
4 Y  
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.  
PRODUCTION DATA information is current as of publication date. Products  
conform to specifications per the terms of Texas Instruments standard warranty.  
Production processing does not necessarily include testing of all parameters.  
Copyright © 2008, Texas Instruments Incorporated  
SN65MLVD047A  
www.ti.com  
SLLS736A − JULY 2006 − REVISED MAY 2008  
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  
MLVD047A  
MLVD047A  
BUL  
PACKAGE/CARRIER  
16-Pin SOIC/Tube  
SN65MLVD047AD  
SM65MLVD047ADR  
SN65MLVD047APW  
SM65MLVD047APWR  
16-Pin SOIC/Tape and Reel  
16-Pin TSSOP/Tube  
BUL  
16-Pin TSSOP/Tape and Reel  
:
NOTE For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website  
at www.ti.com.  
PACKAGE DISSIPATION RATINGS  
PCB JEDEC  
STANDARD  
T
25°C  
DERATING FACTOR  
T = 85°C  
POWER RATING  
A
A
PACKAGE  
(1)  
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  
200 V  
(5)  
Machine Model  
140°C  
J
(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
SN65MLVD047A  
www.ti.com  
SLLS736A − JULY 2006 − REVISED MAY 2008  
RECOMMENDED OPERATING CONDITIONS (see Figure 1)  
MIN NOM  
MAX UNIT  
Supply voltage, V  
3
2
3.3  
3.6  
V
V
V
V
CC  
High-level input voltage, V  
V
CC  
IH  
Low-level input voltage, V  
0
0.8  
IL  
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  
200 Mbps  
100 MHz  
UI  
Clock frequency, f  
Junction temperature, T  
−40  
125  
°C  
J
THERMAL CHARACTERISTICS  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
(1)  
Low-K board , no airflow  
D
128  
194.2  
146.8  
133.1  
121.6  
51.1  
(1)  
Low-K board , no airflow  
(1)  
Low-K board , 150 LFM  
Junction-to-ambient thermal resistance, Θ  
°C/W  
JA  
PW  
(1)  
Low-K board , 250 LFM  
(2)  
High-K board , no airflow  
D
(2)  
Junction-to-board thermal resistance, Θ  
High-K board  
°C/W  
°C/W  
JB  
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  
all data inputs, 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.  
ELECTRICAL CHARACTERISTICS  
over recommended operating conditions unless otherwise noted  
(1)  
PARAMETER  
TEST CONDITIONS  
EN = V , EN = GND, R = 50 Ω, All data inputs = V or  
MIN TYP  
MAX  
UNIT  
CC  
L
CC  
Driver enabled  
Driver disabled  
59  
70  
GND  
EN = GND, EN = V , R = No load, All data inputs = V  
CC  
I
Supply current  
mA  
CC  
CC  
L
2
4
or GND  
(1)  
All typical values are at 25°C and with a 3.3-V supply voltage.  
3
SN65MLVD047A  
www.ti.com  
SLLS736A − JULY 2006 − REVISED MAY 2008  
ELECTRICAL CHARACTERISTICS  
over recommended operating conditions unless otherwise noted  
(1)  
(2)  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
LVTTL (EN, EN, 1A:4A)  
|I  
|
0
0
10  
10  
µA  
µA  
pF  
High-level input current  
Low-level input current  
Input capacitance  
V
V
= 2 V or V  
IH  
IH  
CC  
|I |  
= 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
Z(OC)  
2.4  
V
V
V
I  
1.2 V  
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  
High-impedance state output current  
OZ  
Other output = 1.2 V  
−1.4 V (V or V ) 3.8 V,  
Y
Z
I
10  
µA  
Power-off output current  
Other output = 1.2 V,  
= 1.5 V  
O(OFF)  
V
CC  
V or V = 0.4 sin(30E6πt) +  
Y
Z
(3)  
0.5 V,  
C
or C  
3
pF  
pF  
Output capacitance  
Y
Z
Other outputs at 1.2 V, driver  
disabled  
(3)  
V
YZ  
= 0.4 sin(30E6πt) V,  
C
C
2.5  
Differential output capacitance  
YZ  
Driver disabled  
0.99  
1.01  
Output capacitance balance, (C /C )  
Y/Z  
Y
Z
(1)  
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)  
(2)  
(3)  
4
 
SN65MLVD047A  
www.ti.com  
SLLS736A − JULY 2006 − REVISED MAY 2008  
SWITCHING CHARACTERISTICS  
over recommended operating conditions unless otherwise noted  
(1)  
PARAMETER  
TEST CONDITIONS  
MIN TYP  
MAX  
2.4  
UNIT  
ns  
t
t
t
t
t
t
t
1
1
1
1
1.5  
Propagation delay time, low-to-high-level output  
Propagation delay time, high-to-low-level output  
Differential output signal rise time  
pLH  
pHL  
r
1.5  
2.4  
ns  
1.9  
ns  
1.9  
ns  
Differential output signal fall time  
See Figure 5  
f
(2)  
100  
100  
600  
ps  
Output skew  
sk(o)  
sk(p)  
sk(pp)  
22  
ps  
Pulse skew (|t  
− t |)  
pLH  
pHL  
(3)  
ps  
Part-to-part skew  
See Figure 8, All data inputs 100 MHz  
clock input  
(4)  
t
t
t
0.2  
5
1
36  
ps  
ps  
ps  
Period jitter, rms (1 standard deviation)  
jit(per)  
jit(c−c)  
jit(pp)  
See Figure 8, All data inputs 100 MHz  
clock input  
(4)  
Cycle-to-cycle jitter  
See Figure 8, All data inputs 200 Mbps  
(3)(5)  
46  
158  
Peak-to-peak jitter  
15  
2
−1 PRBS input  
t
t
t
t
9
9
ns  
ns  
ns  
ns  
Enable time, high-impedance-to-high-level output  
Enable time, high-impedance-to-low-level output  
Disable time, high-level-to-high-impedance output  
pZH  
pZL  
pHZ  
pLZ  
See Figure 6  
See Figure 6  
10  
10  
Disable time, low-level-to-high-impedance output  
(1)  
(2)  
(3)  
All typical values are at 25°C and with a 3.3-V supply voltage.  
t
t
, output skew is the magnitude of the time difference in propagation delay times between any specified terminals of a device.  
sk(o)  
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.  
(4)  
(5)  
Peak-to-peak jitter includes jitter due to pulse skew (t  
).  
sk(p)  
5
SN65MLVD047A  
www.ti.com  
SLLS736A − JULY 2006 − REVISED MAY 2008  
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  
3.4 V  
V
YZ  
49.9 Ω  
D
test  
_
Z
3.32 kΩ  
:
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
−1 V to 3.4 V  
Test  
Figure 4. Short-Circuit Test Circuit  
6
SN65MLVD047A  
www.ti.com  
SLLS736A − JULY 2006 − REVISED MAY 2008  
Y
Z
C1  
1 pF  
C3  
0.5 pF  
R1  
50 Ω  
Output  
D
C2  
1 pF  
V
V
CC  
/2  
CC  
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  
Output  
CC  
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
SN65MLVD047A  
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SLLS736A − JULY 2006 − REVISED MAY 2008  
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  
t
c(n)  
= t  
−V  
Z
t
−1/f0⎮  
c(n)  
Y
jit(per)  
t
jit(pp)  
Cycle to Cycle Jitter  
OUTPUT  
0 V  
V − V  
Y
Z
t
t
|
c(n)  
c(n+1)  
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  
8
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SLLS736A − JULY 2006 − REVISED MAY 2008  
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  
DEVICE FUNCTION TABLE  
INPUTS  
EN  
OUTPUTS  
D
EN  
Y
Z
L
H
OPEN  
X
H
H
L
L
L
X
L
H
L
Z
Z
H
L
H
Z
Z
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 INPUT AND ACTIVE−HIGH ENABLE  
DRIVER OUTPUT  
ACTIVE−LOW ENABLE  
V
V
CC  
CC  
V
CC  
V
CC  
_
_
10 mA  
1 mA  
+
+
360 kΩ  
400 Ω  
400 Ω  
D or EN  
7 V  
EN  
7 V  
Y or Z  
360 kΩ  
+
_
0.2 V  
_
+
10 mA  
9
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SLLS736A − JULY 2006 − REVISED MAY 2008  
TYPICAL CHARACTERISTICS  
RMS SUPPLY CURRENT  
RMS SUPPLY CURRENT  
vs  
vs  
INPUT FREQUENCY  
FREE-AIR TEMPERATURE  
80  
75  
70  
65  
60  
55  
50  
65  
V
= 3.3 V,  
V
= 3.3 V,  
CC  
CC  
f = 50 MHz,  
EN = V  
EN = GND,  
T = 255C,  
A
,
EN = V  
,
CC  
CC  
64  
63  
62  
61  
60  
EN = GND,  
R = 50 W,  
All Inputs  
R = 50 W  
L
L
−40  
−15  
10  
35  
60  
85  
25  
50  
75  
100  
125  
T − Free-Air Temperature − °C  
A
f − Input Frequency − MHz  
Figure 9  
Figure 10  
DRIVER PROPAGATION DELAY TIME  
DIFFERENTIAL OUTPUT VOLTAGE MAGNITUDE  
vs  
vs  
FREE-AIR TEMPERATURE  
INPUT FREQUENCY  
600  
1.54  
T = 255C,  
A
V
CC  
= 3.3 V,  
R = 50 W  
L
V
= 3.6 V  
f = 500 kHz,  
R = 50 W  
CC  
1.52  
1.5  
t
PHL  
L
V
CC  
= 3.3 V  
580  
560  
540  
520  
500  
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 − Free-Air Temperature − °C  
A
Figure 12  
Figure 11  
10  
SN65MLVD047A  
www.ti.com  
SLLS736A − JULY 2006 − REVISED MAY 2008  
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
= 3.3 V,  
= 3.3 V,  
CC  
CC  
T = 255C,  
f = 500 kHz,  
R = 50 W  
A
15  
All Inputs = 2 −1 PRBS NRZ,  
(See Figure 8)  
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 − Free-Air Temperature − °C  
A
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
= 3.3 V,  
V
= 3.3 V,  
CC  
CC  
T = 255C,  
T = 255C,  
A
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  
SN65MLVD047A  
www.ti.com  
SLLS736 − JULY 2006  
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 SN65MLVD047A 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 SN65MLVD047A devices can be used to support the ATCA redundancy  
requirements.  
MULTIPOINT CONFIGURATION  
The SN65MLVD047A 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.  
Z
t
Z
t
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  
 
SN65MLVD047A  
www.ti.com  
SLLS736 − JULY 2006  
D
Z
t
Z
t
Z
t
Z
t
D
Figure 18. Multidrop Architectures With Different Driver Locations  
UNUSED CHANNEL  
A 360−kpull−down resistor is built in every LVTTL input. The unused driver inputs should be left floating or connected  
to ground. The low−level output of an unused enabled driver may oscillate if left floating and should be connected to ground.  
If the input is floating or connected to ground, the unused Y (non−inverting) output of an enabled driver should be connected  
to ground. The unused Z (inverting) should be left floating.  
13  
PACKAGE OPTION ADDENDUM  
www.ti.com  
6-Dec-2006  
PACKAGING INFORMATION  
Orderable Device  
SN65MLVD047AD  
Status (1)  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
SOIC  
D
16  
16  
16  
16  
16  
16  
16  
16  
40 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
SN65MLVD047ADG4  
SN65MLVD047ADR  
SN65MLVD047ADRG4  
SN65MLVD047APW  
SN65MLVD047APWG4  
SN65MLVD047APWR  
SN65MLVD047APWRG4  
SOIC  
SOIC  
D
40 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
D
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
SOIC  
D
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
TSSOP  
TSSOP  
TSSOP  
TSSOP  
PW  
PW  
PW  
PW  
90 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
90 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
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), Pb-Free (RoHS Exempt), 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.  
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and  
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS  
compatible) as defined above.  
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  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
14-Jul-2012  
TAPE AND REEL INFORMATION  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0  
B0  
K0  
P1  
W
Pin1  
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant  
(mm) W1 (mm)  
SN65MLVD047ADR  
SN65MLVD047APWR  
SOIC  
D
16  
16  
2500  
2000  
330.0  
330.0  
16.4  
12.4  
6.5  
6.9  
10.3  
5.6  
2.1  
1.6  
8.0  
8.0  
16.0  
12.0  
Q1  
Q1  
TSSOP  
PW  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
14-Jul-2012  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SPQ  
Length (mm) Width (mm) Height (mm)  
SN65MLVD047ADR  
SN65MLVD047APWR  
SOIC  
D
16  
16  
2500  
2000  
367.0  
367.0  
367.0  
367.0  
38.0  
35.0  
TSSOP  
PW  
Pack Materials-Page 2  
IMPORTANT NOTICE  
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other  
changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest  
issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and  
complete. All semiconductor products (also referred to herein as “components”) are sold subject to TI’s terms and conditions of sale  
supplied at the time of order acknowledgment.  
TI warrants performance of its components to the specifications applicable at the time of sale, in accordance with the warranty in TI’s terms  
and conditions of sale of semiconductor products. Testing and other quality control techniques are used to the extent TI deems necessary  
to support this warranty. Except where mandated by applicable law, testing of all parameters of each component is not necessarily  
performed.  
TI assumes no liability for applications assistance or the design of Buyers’ products. Buyers are responsible for their products and  
applications using TI components. To minimize the risks associated with Buyers’ products and applications, Buyers should provide  
adequate design and operating safeguards.  
TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or  
other intellectual property right relating to any combination, machine, or process in which TI components or services are used. Information  
published by TI regarding third-party products or services does not constitute a license 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  
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Reproduction of significant portions of TI 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. TI is not responsible or liable for such altered  
documentation. Information of third parties may be subject to additional restrictions.  
Resale of TI components or services with statements different from or beyond the parameters stated by TI for that component or service  
voids all express and any implied warranties for the associated TI component or service and is an unfair and deceptive business practice.  
TI is not responsible or liable for any such statements.  
Buyer acknowledges and agrees that it is solely responsible for compliance with all legal, regulatory and safety-related requirements  
concerning its products, and any use of TI components in its applications, notwithstanding any applications-related information or support  
that may be provided by TI. Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which  
anticipate dangerous consequences of failures, monitor failures and their consequences, lessen the likelihood of failures that might cause  
harm and take appropriate remedial actions. Buyer will fully indemnify TI and its representatives against any damages arising out of the use  
of any TI components in safety-critical applications.  
In some cases, TI components may be promoted specifically to facilitate safety-related applications. With such components, TI’s goal is to  
help enable customers to design and create their own end-product solutions that meet applicable functional safety standards and  
requirements. Nonetheless, such components are subject to these terms.  
No TI components are authorized for use in FDA Class III (or similar life-critical medical equipment) unless authorized officers of the parties  
have executed a special agreement specifically governing such use.  
Only those TI components which TI has specifically designated as military grade or “enhanced plastic” are designed and intended for use in  
military/aerospace applications or environments. Buyer acknowledges and agrees that any military or aerospace use of TI components  
which have not been so designated is solely at the Buyer's risk, and that Buyer is solely responsible for compliance with all legal and  
regulatory requirements in connection with such use.  
TI has specifically designated certain components which meet ISO/TS16949 requirements, mainly for automotive use. Components which  
have not been so designated are neither designed nor intended for automotive use; and TI will not be responsible for any failure of such  
components to meet such requirements.  
Products  
Applications  
Audio  
www.ti.com/audio  
amplifier.ti.com  
dataconverter.ti.com  
www.dlp.com  
Automotive and Transportation www.ti.com/automotive  
Communications and Telecom www.ti.com/communications  
Amplifiers  
Data Converters  
DLP® Products  
DSP  
Computers and Peripherals  
Consumer Electronics  
Energy and Lighting  
Industrial  
www.ti.com/computers  
www.ti.com/consumer-apps  
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dsp.ti.com  
Clocks and Timers  
Interface  
www.ti.com/clocks  
interface.ti.com  
logic.ti.com  
www.ti.com/industrial  
www.ti.com/medical  
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Power Mgmt  
Microcontrollers  
RFID  
power.ti.com  
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www.ti.com/omap  
OMAP Applications Processors  
Wireless Connectivity  
TI E2E Community  
e2e.ti.com  
www.ti.com/wirelessconnectivity  
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265  
Copyright © 2012, Texas Instruments Incorporated  

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