The SN65LVDS179, SN65LVDS180,
SN65L VDS050, and SN65LVDS051 are dif ferential line drivers and receivers that use low-voltage
differential signaling (LVDS) to achieve signaling
rates as high as 400 Mbps. The TIA/EIA-644
standard compliant electrical interface provides a
minimum differential output voltage magnitude of
247 mV into a 100 Ω load and receipt of 100 mV
signals with up to 1 V of ground potential
difference between a transmitter and receiver.
The intended application of this device and
signaling technique is for point-to-point baseband
data transmission over controlled impedance
media of approximately 100 Ω characteristic
impedance. The transmission media may be
printed-circuit board traces, backplanes, or
cables. (Note: The ultimate rate and distance of
data transfer is dependent upon the attenuation
characteristics of the media, the noise coupling to
the environment, and other application specific
characteristics).
< 1.5 V
CC
SLLS301G – APRIL 1998 – REVISED MARCH 2000
SN65LVDS179D (Marked as DL179 or LVD179)
SN65LVDS179DGK (Marked as S79)
SN65LVDS180D (Marked as LVDS180)
SN65LVDS050D (Marked as LVDS050)
SN65LVDS051D (Marked as LVDS051)
V
CC
GND
NC
RE
DE
GND
GND
1B
1A
1R
RE
2R
2A
2B
GND
1B
1A
1R
1DE
2R
2A
2B
GND
(TOP VIEW)
1
R
2
D
3
4
(TOP VIEW)
1
R
2
3
4
D
5
6
7
(TOP VIEW)
1
2
3
4
5
6
7
8
(TOP VIEW)
1
2
3
4
5
6
7
8
14
13
12
11
10
16
15
14
13
12
11
10
16
15
14
13
12
11
10
A
8
B
7
Z
6
5
Y
V
CC
V
CC
A
B
Z
Y
9
NC
8
V
CC
1D
1Y
D
R
D
DE
RE
R
1D
DE
2D
1Z
DE
1R
2Z
2Y
9
2D
V
CC
1D
1Y
RE
2R
1D
1DE
1R
1Z
2DE
2Z
2Y
9
2D
2D
2DE
2R
15
12
15
12
3
2
5
4
3
2
9
3
4
5
4
3
9
5
5
Y
6
Z
8
A
7
B
9
Y
10
Z
12
A
11
B
14
1Y
13
1Z
10
2Y
11
2Z
2
1A
1
1B
6
2A
7
2B
14
1Y
13
1Z
2
1A
1
1B
10
2Y
11
2Z
6
2A
7
2B
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.
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.
HIGH-SPEED DIFFERENTIAL LINE DRIVERS AND RECEIVERS
SLLS301G – APRIL 1998 – REVISED MARCH 2000
description (continued)
AVAILABLE OPTIONS
PACKAGE
T
A
°
–
°
The ultimate rate and distance of data transfer is dependent upon the attenuation characteristics
of the media, the noise coupling to the environment, and other application specific characteristics.
The SN65L VDS179, SN65L VDS180, SN65L VDS050, and SN65L VDS051 are characterized for operation from
–40°C to 85°C.
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 250°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
†
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.
NOTES: 1. All voltage values, except differential I/O bus voltages are with respect to network ground terminal.
2. Tested in accordance with MIL-STD-883C Method 3015.7.
DISSIPATION RATING TABLE
PACKAGE
D8725 mW5.8 mW/°C377 mW
D14 or D16950 mW7.8 mW/°C494 mW
DGK424 mW3.4 mW/°C220 mW
†
This is the inverse of the junction-to-ambient thermal resistance when board-mounted and with no air flow.
TA ≤ 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
†
TA = 85°C
POWER RATING
recommended operating conditions
MINNOMMAXUNIT
Supply voltage, V
High-level input voltage, V
Low-level input voltage, V
Magnitude of differential input voltage, VID0.10.6V
Common–mode input voltage, VIC (see Figure 6)
Operating free–air temperature, T
CC
IH
IL
A
33.33.6V
2V
0.8V
Ť
Ť
V
ID
2
–4085°C
2.4
*
VCC–0.8
Ť
V
ID
2
Ť
V
device electrical characteristics over recommended operating conditions (unless otherwise
noted)
I
†
4
PARAMETERTEST CONDITIONSMIN TYP†MAXUNIT
SN65LVDS179 No receiver load, Driver RL = 100 Ω912mA
Driver and receiver enabled, No receiver load, Driver RL = 100 Ω912
Driver enabled, Receiver disabled, RL = 100 Ω57
Driver disabled, Receiver enabled, No load1.52
upply
CC
All typical values are at 25°C and with a 3.3-V supply.
Disabled0.51
Drivers and receivers enabled, No receiver loads, Driver RL = 100 Ω1220
Drivers enabled, Receivers disabled, RL = 100 Ω1016
Drivers disabled, Receivers enabled, No loads36
Disabled0.51
Drivers enabled, No receiver loads, Driver RL = 100 Ω1220
Drivers disabled, No loads36
Power-off input current (A or B inputs)VCC = 0±20µA
High-level input current (enables)VIH = 5 V±10µA
Low-level input current (enables)VIL = 0.8 V±10µA
High-impedance output currentVO = 0 or 5 V±10µA
HIGH-SPEED DIFFERENTIAL LINE DRIVERS AND RECEIVERS
SLLS301G – APRIL 1998 – REVISED MARCH 2000
driver switching characteristics over recommended operating conditions (unless otherwise
noted)
PARAMETERTEST CONDITIONSMIN TYP†MAXUNIT
t
PLH
t
PHL
t
r
t
f
t
sk(p)
t
sk(o)
t
PZH
t
PZL
t
PHZ
t
pLZ
†
All typical values are at 25°C and with a 3.3-V.
‡
t
sk(p)
§
t
sk(o)
¶
t
sk(pp)
operate with the same supply voltages, same temperature, and have identical packages and test circuits.
Propagation delay time, low-to-high-level output1.72.7ns
Propagation delay time, high-to-low-level output1.72.7ns
Differential output signal rise time
Differential output signal fall time
Pulse skew (|t
Channel-to-channel output skew
Propagation delay time, high-impedance-to-high-level output4.310ns
Propagation delay time, high-impedance-to-low-level output
Propagation delay time, high-level-to-high-impedance output
Propagation delay time, low-level-to-high-impedance output3.410ns
is the magnitude of the time difference between the high-to-low and low-to-high propagation delay times at an output.
is the magnitude of the time difference between the outputs of a single device with all of their inputs connected together.
is the magnitude of the time difference in propagation delay times between any specified terminals of two devices when both devices
pHL
– t
pLH
‡
|)
§
RL = 100Ω,
= 10 pF,
L
Figure
p
0.81ns
0.81ns
300ps
150ps
4.610ns
3.110ns
receiver switching characteristics over recommended operating conditions (unless otherwise
noted)
PARAMETERTEST CONDITIONSMIN TYP†MAXUNIT
t
PLH
t
PHL
t
sk(p)
t
r
t
f
t
PZH
t
PZL
t
PHZ
t
PLZ
†
All typical values are at 25°C and with a 3.3-V.
‡
t
sk(p)
§
t
sk(o)
¶
t
sk(pp)
operate with the same supply voltages, same temperature, and have identical packages and test circuits.
Propagation delay time, low-to-high-level output3.74.5ns
Propagation delay time, high-to-low-level output3.74.5ns
Pulse skew (|t
Output signal rise time0.71.5ns
Output signal fall time0.91.5ns
Propagation delay time, high-level-to-high-impedance output2.5ns
Propagation delay time, low-level-to-low-impedance output
Propagation delay time, high-impedance-to-high-level output
Propagation delay time, low-impedance-to-high-level output4ns
is the magnitude of the time difference between the high-to-low and low-to-high propagation delay times at an output.
is the magnitude of the time difference between the outputs of a single device with all of their inputs connected together.
is the magnitude of the time difference in propagation delay times between any specified terminals of two devices when both devices
pHL
– t
pLH
‡
|)
CL = 10 pF, See Figure 6
0.3ns
2.5ns
7ns
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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