DS90LV047ATM National Semiconductor, DS90LV047ATM Datasheet

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DS90LV047ATM

Manufacturer Part Number
DS90LV047ATM
Description
Driver IC
Manufacturer
National Semiconductor
Datasheet

Specifications of DS90LV047ATM

Driver Case Style
SOIC
No. Of Pins
16
No. Of Driver/receivers
4
Peak Reflow Compatible (260 C)
No
Output Current
-9mA
Program Memory Type
Microstepping DMOS Driver/Translator
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 2003 National Semiconductor Corporation
DS90LV047A
3V LVDS Quad CMOS Differential Line Driver
General Description
The DS90LV047A is a quad CMOS flow-through differential
line driver designed for applications requiring ultra low power
dissipation and high data rates. The device is designed to
support data rates in excess of 400 Mbps (200 MHz) utilizing
Low Voltage Differential Signaling (LVDS) technology.
The DS90LV047A accepts low voltage TTL/CMOS input lev-
els and translates them to low voltage (350 mV) differential
output signals. In addition, the driver supports a TRI-STATE
function that may be used to disable the output stage, dis-
abling the load current, and thus dropping the device to an
ultra low idle power state of 13 mW typical. The
DS90LV047A has a flow-through pinout for easy PCB layout.
The EN and EN* inputs are ANDed together and control the
TRI-STATE outputs. The enables are common to all four
drivers. The DS90LV047A and companion line receiver
(DS90LV048A) provide a new alternative to high power
psuedo-ECL devices for high speed point-to-point interface
applications.
Connection Diagram
Truth Table
TRI-STATE
All other combinations of
Order Number DS90LV047ATM, DS90LV047ATMTC
EN
H
ENABLE inputs
®
See NS Package Number M16A, MTC16
ENABLES
is a registered trademark of National Semiconductor Corporation.
L or Open
EN
*
Dual-In-Line
INPUT
D
H
L
X
IN
DS100887
10088701
D
OUT+
H
Z
L
OUTPUTS
D
OUT−
H
L
Z
®
Features
n
n Flow-through pinout simplifies PCB layout
n 300 ps typical differential skew
n 400 ps maximum differential skew
n 1.7 ns maximum propagation delay
n 3.3V power supply design
n
n Low power dissipation (13mW at 3.3V static)
n Interoperable with existing 5V LVDS receivers
n High impedance on LVDS outputs on power down
n Conforms to TIA/EIA-644 LVDS Standard
n Industrial operating temperature range (−40˚C to +85˚C)
n Available in surface mount (SOIC) and low profile
Functional Diagram
TSSOP package
>
±
350 mV differential signaling
400 Mbps (200 MHz) switching rates
10088702
January 2003
www.national.com

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DS90LV047ATM Summary of contents

Page 1

... TRI-STATE outputs. The enables are common to all four drivers. The DS90LV047A and companion line receiver (DS90LV048A) provide a new alternative to high power psuedo-ECL devices for high speed point-to-point interface applications. Connection Diagram Dual-In-Line Order Number DS90LV047ATM, DS90LV047ATMTC See NS Package Number M16A, MTC16 Truth Table ENABLES INPUT EN EN ...

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 Output Voltage ( OUT+ OUT− Short Circuit Duration ( OUT+ OUT− Maximum Package Power Dissipation ...

Page 3

Switching Characteristics ± +3.3V 10 −40˚C to +85˚C (Notes Symbol Parameter t Differential Propagation Delay High to Low PHLD t Differential Propagation Delay Low to High PLHD t Differential Pulse Skew ...

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 10088704 10088705 10088706 ...

Page 5

Parameter Measurement Information Typical Application Applications Information General application guidelines and hints for LVDS drivers and receivers may be found in the following application notes: LVDS Owner’s Manual (lit #550062-001), AN808, AN977, AN971, AN916, AN805, AN903. LVDS drivers and receivers ...

Page 6

Typical Application (Continued) is due to the overlap current that flows between the rails of the device when the internal gates switch. Whereas the current mode driver switches a fixed current between its output without any substantial overlap current. This ...

Page 7

... FIGURE 7. Driver Output Levels Pin No low or Package Type/ Order Number Number SOP/M16A DS90LV047ATM TSSOP/MTC16 DS90LV047ATMTC 7 10088709 Name Description EN * Driver enable pin: When high, the driver is disabled. When * EN is low or open and EN is high, the driver is enabled. If both ...

Page 8

Typical Performance Curves Output High Voltage vs Power Supply Voltage Output Short Circuit Current vs Power Supply Voltage Differential Output Voltage vs Power Supply Voltage www.national.com 10088714 Output TRI-STATE Current vs 10088716 Differential Output Voltage 10088718 8 Output Low Voltage ...

Page 9

Typical Performance Curves Offset Voltage vs Power Suppy Voltage Power Supply Current vs Power Supply Voltage Differential Propagation Delay vs Power Supply Voltage (Continued) 10088720 10088722 Differential Propagation Delay vs 10088724 9 Power Supply Current vs Frequency 10088721 Power Supply ...

Page 10

Typical Performance Curves Differential Skew vs Power Supply Voltage Transition Time vs Power Supply Voltage www.national.com (Continued) 10088726 10088728 10 Differential Skew vs Ambient Temperature 10088727 Transition Time vs Ambient Temperature 10088729 ...

Page 11

Typical Performance Curves (Continued) Data Rate vs Cable Length DATA RATE VS CABLE LENGTH GRAPH TEST PROCEDURE A pseudo-random bit sequence (PRBS programmed into a function generator (Tektronix HFS9009) and connected to the driver inputs via 50Ω cables ...

Page 12

... Physical Dimensions unless otherwise noted 16-Lead (0.150" Wide) Molded Small Outline Package, JEDEC www.national.com inches (millimeters) Order Number DS90LV047ATM NS Package Number M16A 12 ...

Page 13

... 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) unless otherwise noted (Continued) Order Number DS90LV047ATMTC NS Package Number MTC16 2 ...

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