DS90CF561MTD National Semiconductor, DS90CF561MTD Datasheet

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DS90CF561MTD

Manufacturer Part Number
DS90CF561MTD
Description
Manufacturer
National Semiconductor
Datasheet

Specifications of DS90CF561MTD

Number Of Elements
3
Number Of Receivers
21
Number Of Drivers
3
Input Type
CMOS/TTL
Operating Supply Voltage (typ)
5V
Differential Input High Threshold Voltage
100mV
Diff. Input Low Threshold Volt
-100mV
Output Type
Flat Panel Display
Differential Output Voltage
450mV
Power Dissipation
1.98W
Operating Temp Range
-10C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
48
Package Type
TSSOP
Lead Free Status / Rohs Status
Not Compliant

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© 2000 National Semiconductor Corporation
DS90CF561/DS90CF562
LVDS 18-Bit Color Flat Panel Display (FPD) Link
General Description
The DS90CF561 transmitter converts 21 bits of CMOS/TTL
data into three LVDS (Low Voltage Differential Signaling)
data streams. A phase-locked transmit clock is transmitted in
parallel with the data streams over a fourth LVDS link. Every
cycle of the transmit clock 21 bits of input data are sampled
and transmitted. The DS90CF562 receiver converts the
LVDS data streams back into 21 bits of CMOS/TTL data. At
a transmit clock frequency of 40 MHz, 18 bits of RGB data
and 3 bits of LCD timing and control data (FPLINE, FP-
FRAME, DRDY) are transmitted at a rate of 280 Mbps per
LVDS data channel. Using a 40 MHz clock, the data through-
put is 105 Megabytes per second. These devices are offered
with falling edge data strobes for convenient interface with a
variety of graphics and LCD panel controllers.
Block Diagrams
See NS Package Number MTD48
Order Number DS90CF561MTD
DS90CF561
DS012485
DS012485-26
Application
This chipset is an ideal means to solve EMI and cable size
problems associated with wide, high speed TTL interfaces.
Features
n Up to 105 Megabyte/sec bandwidth
n Narrow bus reduces cable size and cost
n 290 mV swing LVDS devices for low EMI
n Low power CMOS design
n Power down mode
n PLL requires no external components
n Low profile 48-lead TSSOP package
n Falling edge data strobe
n Compatible with TIA/EIA-644 LVDS standard
See NS Package Number MTD48
Order Number DS90CF562MTD
DS90CF562
DS012485-2
www.national.com
May 1997
DS012485-1

Related parts for DS90CF561MTD

DS90CF561MTD Summary of contents

Page 1

... LCD panel controllers. Block Diagrams DS90CF561 Order Number DS90CF561MTD See NS Package Number MTD48 © 2000 National Semiconductor Corporation This chipset is an ideal means to solve EMI and cable size problems associated with wide, high speed TTL interfaces. ...

Page 2

Connection Diagrams DS90CF561 www.national.com DS012485-3 2 DS90CF562 DS012485-4 ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( CMOS/TTL Input Voltage CMOS/TTL Ouput Voltage LVDS Receiver Input Voltage LVDS Driver Output Voltage LVDS Output Short Circuit Duration ...

Page 4

Electrical Characteristics Over recommended operating supply and temperature ranges unless otherwise specified Symbol Parameter TRANSMITTER SUPPLY CURRENT I Transmitter Supply Current, CCTZ Power Down RECEIVER SUPPLY CURRENT I Receiver Supply Current, CCRW Worst Case I Receiver Supply Current, CCRG 16 ...

Page 5

Transmitter Switching Characteristics Over recommended operating supply and temperature ranges unless otherwise specified Symbol TCCD TxCLK IN to TxCLK OUT Delay V = 5.0V ( Figure Transmitter Phase Lock Loop Set ( Figure 11 ) TPLLS TPDD ...

Page 6

AC Timing Diagrams FIGURE 2. “16 Grayscale” Test Pattern (Notes 10) Note 7: The worst case test pattern produces a maximum toggling of device digital circuitry, LVDS I/O and TTL I/O. Note 8: The 16 grayscale test ...

Page 7

AC Timing Diagrams (Continued) Measurements at Vdiff = 0V TCCS measured between earliest and latest initial LVDS edges. TxCLK OUT Differential High Low Edge for DS90CF561 TxCLK OUT Differential Low High Edge for DS90CR561 FIGURE 6. DS90CF561 (Transmitter) Channel-to-Channel Skew ...

Page 8

AC Timing Diagrams FIGURE 10. DS90CF562 (Receiver) Clock In to Clock Out Delay FIGURE 11. DS90CF561 (Transmitter) Phase Lock Loop Set Time FIGURE 12. DS90CF562 (Receiver) Phase Lock Loop Set Time FIGURE 13. Seven Bits of LVDS in One Clock ...

Page 9

AC Timing Diagrams (Continued) FIGURE 14. 21 Parallel TTL Data Inputs Mapped to LVDS Outputs (DS90CF561) FIGURE 15. Transmitter Powerdown Delay FIGURE 16. Receiver Powerdown Delay 9 DS012485-21 DS012485-22 DS012485-23 www.national.com ...

Page 10

AC Timing Diagrams FIGURE 17. Transmitter LVDS Output Pulse Position Measurement SW — Setup and Hold Time (Internal Data Sampling Window) TCCS — Transmitter Output Skew RSKM Cable Skew (Type, Length) + Source Clock Jitter (Cycle to Cycle) Cable Skew ...

Page 11

DS90CF561 Pin Description—FPD Link Transmitter Pin Name I/O No. TxIN I 21 TTL level input. This includes: 6 Red, 6 Green, 6 Blue, and 3 control lines (FPLINE, FPFRAME, DRDY). (Also referred to as HSYNC, VSYNC and DATA ENABLE.) TxOUT+ ...

Page 12

... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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