DS90C031BTM National Semiconductor, DS90C031BTM Datasheet

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DS90C031BTM

Manufacturer Part Number
DS90C031BTM
Description
IC, DIFFERENTIAL LINE DRIVER, SOP-16
Manufacturer
National Semiconductor
Datasheet

Specifications of DS90C031BTM

Supply Current
21mA
Supply Voltage Range
4.5V To 5.5V
Driver Case Style
SOP
No. Of Pins
16
Operating Temperature Range
-40°C To +85°C
Device Type
Line
Termination Type
SMD
Filter Terminals
SMD
Rohs Compliant
No
Data Rate Max
155.5Mbps
Esd Hbm
2kV
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 2001 National Semiconductor Corporation
DS90C031B
LVDS Quad CMOS Differential Line Driver
General Description
The DS90C031B is a quad CMOS differential line driver
designed for applications requiring ultra low power dissipa-
tion and high data rates. The device is designed to support
data rates in excess of 155.5 Mbps (77.7 MHz) utilizing Low
Voltage Differential Signaling (LVDS) technology.
The DS90C031B accepts TTL/CMOS input levels and trans-
lates them to low voltage (350 mV) differential output sig-
nals. In addition the driver supports a TRI-STATE function
that may be used to disable the output stage, disabling the
load current, and thus dropping the device to an ultra low idle
power state of 11 mW typical.
In addition, the DS90C031B provides power-off high imped-
ance LVDS outputs. This feature assures minimal loading
effect on the LVDS bus lines when V
The DS90C031B and companion line receiver (DS90C032B)
provide a new alternative to high power pseudo-ECL devices
for high speed point-to-point interface applications.
Connection Diagram
Driver Truth Table
See NS Package Number M16A
Order Number DS90C031BTM
Dual-In-Line
All other combinations
of ENABLE inputs
EN
L
CC
10098901
Enables
DS100989
is not present.
EN*
H
Features
n
n High impedance LVDS outputs with power-off
n
n Ultra low power dissipation
n 400 ps maximum differential skew (5V, 25˚C)
n 3.5 ns maximum propagation delay
n Industrial operating temperature range
n Pin compatible with DS26C31, MB571 (PECL) and
n Conforms to ANSI/TIA/EIA-644 LVDS standard
n Offered in narrow body SOIC package
n Fail-safe logic for floating inputs
Functional Diagram
41LG (PECL)
>
±
Input
350 mV differential signaling
155.5 Mbps (77.7 MHz) switching rates
D
X
H
L
IN
D
OUT+
H
Z
L
Outputs
D
OUT−
Z
H
L
10098902
October 2001
www.national.com

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DS90C031BTM Summary of contents

Page 1

... LVDS bus lines when V The DS90C031B and companion line receiver (DS90C032B) provide a new alternative to high power pseudo-ECL devices for high speed point-to-point interface applications. Connection Diagram Dual-In-Line Order Number DS90C031BTM See NS Package Number M16A Driver Truth Table EN L All other combinations of ENABLE inputs © ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( Input Voltage ( Enable Input Voltage (EN, EN*) Output Voltage ( OUT+ OUT− Short Circuit Duration ( OUT+ OUT− Maximum Package Power Dissipation ...

Page 3

Switching Characteristics V = +5.0V +25˚C (Notes Symbol Parameter t Rise Time TLH t Fall Time THL t Disable Time High to Z PHZ t Disable Time Low to Z PLZ t Enable ...

Page 4

Parameter Measurement Information FIGURE 2. Driver Propagation Delay and Transition Time Test Circuit FIGURE 3. Driver Propagation Delay and Transition Time Waveforms www.national.com (Continued) FIGURE 4. Driver TRI-STATE Delay Test Circuit 4 10098904 10098905 10098906 ...

Page 5

Parameter Measurement Information Typical Application Applications Information LVDS drivers and receivers are intended to be primarily used in an uncomplicated point-to-point configuration as is shown in Figure 6 . This configuration provides a clean signaling environment for the quick edge ...

Page 6

... The DS90C031B is offered in a space saving narrow SOIC (150 mil.) package. For additional LVDS application information, please refer to National’s LVDS Owner’s Manual available through Nation- al’s website www.national.com/appinfo/lvds. FIGURE 7. Driver Output Levels Description ± 10% Order Number DS90C031BTM 6 10098909 ...

Page 7

Typical Performance Characteristics Power Supply Current vs Power Supply Voltage Power Supply Current vs Power Supply Voltage Output TRI-STATE Current vs Power Supply Voltage Power Supply Current 10098910 Power Supply Current 10098912 Output Short Circuit Current vs Power Supply Voltage ...

Page 8

Typical Performance Characteristics Differential Output Voltage vs Power Supply Voltage Output Voltage High vs Power Supply Voltage Output Voltage Low vs Power Supply Voltage www.national.com (Continued) Differential Output Voltage vs Ambient Temperature 10098916 Output Voltage High vs Ambient Temperature 10098918 ...

Page 9

Typical Performance Characteristics Offset Voltage vs Power Supply Voltage Power Supply Current vs Frequency Differential Output Voltage vs Load Resistor (Continued) 10098922 10098924 Differential Propagation Delay vs Power Supply Voltage 10098926 9 Offset Voltage vs Ambient Temperature 10098923 Power Supply ...

Page 10

Typical Performance Characteristics Differential Propagation Delay vs Ambient Temperature Differential Skew vs Ambient Temperature Differential Transition Time vs Ambient Temperature www.national.com (Continued) Power Supply Voltage 10098928 Differential Transition Time vs Power Supply Voltage 10098930 10098932 10 Differential Skew vs 10098929 ...

Page 11

... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. inches (millimeters) Order Number DS90C031BTM NS Package Number M16A 2. A critical component is any component of a life ...

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