DS90CR562MTD National Semiconductor, DS90CR562MTD Datasheet

IC RCVR LVDS FPD 18BIT 48-TSSOP

DS90CR562MTD

Manufacturer Part Number
DS90CR562MTD
Description
IC RCVR LVDS FPD 18BIT 48-TSSOP
Manufacturer
National Semiconductor
Type
Receiverr
Datasheet

Specifications of DS90CR562MTD

Number Of Drivers/receivers
0/3
Protocol
RS644
Voltage - Supply
4.5 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
48-TSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*DS90CR562MTD

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© 2000 National Semiconductor Corporation
DS90CR561/DS90CR562
LVDS 18-Bit Color Flat Panel Display (FPD) Link
General Description
The DS90CR561 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 DS90CR562 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 rising edge data strobes for convenient interface with a
variety of graphics and LCD panel controllers.
Block Diagrams
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
See NS Package Number MTD48
Order Number DS90CR561MTD
DS90CR561
DS012470
DS012470-27
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 Rising edge data strobe
n Compatible with TIA/EIA-644 LVDS standard
See NS Package Number MTD48
Order Number DS90CR562MTD
DS90CR562
DS012470-2
www.national.com
July 1997
DS012470-1

Related parts for DS90CR562MTD

DS90CR562MTD Summary of contents

Page 1

... 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 Rising edge data strobe n Compatible with TIA/EIA-644 LVDS standard DS012470-27 Order Number DS90CR562MTD See NS Package Number MTD48 APPLICATION DS012470 July 1997 DS90CR562 DS012470-1 DS012470-2 ...

Page 2

Connection Diagrams DS90CR561 www.national.com DS012470-3 2 DS90CR562 DS012470-4 ...

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 Receiver Input 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 TPDD Transmitter Powerdown Delay ( Figure 15 ) Note 5: This limit based on bench characterization. Receiver Switching Characteristics Over recommended operating supply and temperature ranges ...

Page 6

AC Timing Diagrams 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 pattern tests device power consumption for a “typical” LCD display pattern. ...

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. DS90CR561 (Transmitter) Channel-to-Channel Skew ...

Page 8

AC Timing Diagrams FIGURE 10. DS90CR562 (Receiver) Clock In to Clock Out Delay FIGURE 11. DS90CR561 (Transmitter) Phase Lock Loop Set Time FIGURE 12. DS90CR562 (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 (DS90CR561) FIGURE 15. Transmitter Powerdown Delay FIGURE 16. Receiver Powerdown Delay 9 DS012470-22 DS012470-23 DS012470-24 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

DS90CR561 Pin Description—FPD Link Transmitter Pin Name I/O No Power supply pins for TTL inputs CC GND I 5 Ground pins for TTL inputs PLL Power supply pin for PLL CC PLL GND I ...

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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