SN65LVDM31
www.ti.com
SLLS417C–MARCH 2000–REVISED MAY 2001
HIGH-SPEED DIFFERENTIAL LINE DRIVER
FEATURES
SN65LVDM31D (Marked as LVDM31)
(TOP VIEW)
•
Designed for Signaling Rates
NOTE: The signaling rate is the number of voltage transitions that
can be made per second.
1A
1Y
1Z
V
CC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
4A
4Y
4Z
G
Up to 150 Mbps
•
Low-Voltage Differential Signaling With
Typical Output Voltage of 700 mV and a 100-Ω
Load
G
2Z
2Y
3Z
•
•
•
Propagation Delay Time of 2.3 ns, Typical
Single 3.3-V Supply Operation
2A
GND
10 3Y
3A
9
One Driver's Power Dissipation at 75 MHz,
50 mW, Typical
FUNCTIONAL BLOCK DIAGRAM
•
High-Impedance Outputs When Disabled or
With VCC < 1.5 V
4
G
•
•
Bus-Pin ESD Protection Exceeds 12 kV
12
G
Low-Voltage CMOS (LVCMOS) Logic Input
Levels Are 5-V Tolerant
2
1Y
1Z
1
7
1A
2A
3
DESCRIPTION
6
5
2Y
2Z
The SN65LVDM31 incorporates four differential line
drivers that implement the electrical characteristics of
low-voltage differential signaling. This product offers a
low-power alternative to 5-V PECL drivers with similar
signal levels. Any of the four current-mode drivers will
10
11
3Y
3Z
9
3A
4A
deliver
a
minimum differential output voltage
magnitude of 540 mV into a 100-Ω load when
enabled by either an active-low or active-high enable
input.
14
13
4Y
4Z
15
The intended application of this device and signaling
technique is for both point-to-point and multiplexed
baseband data transmission over controlled
impedance media of approximately 100 Ω. The
transmission media may be printed-circuit board
traces, backplanes, or cables. The ultimate rate and
distance of data transfer is dependent upon the
attenuation characteristics of the media and the noise
coupling to the environment.
FUNCTION TABLE
INPUT
ENABLES
OUTPUTS
A
H
G
G
X
X
L
Y
H
L
Z
L
H
H
X
X
L
L
H
L
H
H
L
L
L
H
Z
H
H
X
H
X
L
Z
L
The SN65LVDM31 is characterized for operation from
–40°C to 85°C.
Open
Open
H
X
L
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.
Copyright © 2000–2001, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.