DS90CF383AMTD National Semiconductor, DS90CF383AMTD Datasheet

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DS90CF383AMTD

Manufacturer Part Number
DS90CF383AMTD
Description
IC TX LVDS FPD 24BIT 56-TSSOP
Manufacturer
National Semiconductor
Type
Transmitterr
Datasheet

Specifications of DS90CF383AMTD

Number Of Drivers/receivers
4/0
Protocol
RS644
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
56-TSSOP
Dc
03+
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*DS90CF383AMTD

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© 2003 National Semiconductor Corporation
DS90C383A/DS90CF383A
+3.3V Programmable LVDS Transmitter 24-Bit Flat Panel
Display (FPD) Link-65 MHz +3.3V LVDS Transmitter
24-Bit Flat Panel Display (FPD) Link-65 MHz
General Description
The DS90C383A/DS90CF383A transmitter converts 28 bits
of CMOS/TTL data into four LVDS (Low Voltage Differential
Signaling) data streams. A phase-locked transmit clock is
transmitted in parallel with the data streams over a fifth
LVDS link. Every cycle of the transmit clock 28 bits of input
data are sampled and transmitted. At a transmit clock fre-
quency of 65 MHz, 24 bits of RGB data and 3 bits of LCD
timing and control data (FPLINE, FPFRAME, DRDY) are
transmitted at a rate of 455 Mbps per LVDS data channel.
Using a 65 MHz clock, the data throughput is 227 Mbytes/
sec. The DS90C383A transmitter can be programmed for
Rising edge strobe or Falling edge strobe through a dedi-
cated pin. The DS90CF383A is fixed as a Falling edge
strobe transmitter. A Rising edge or Falling edge strobe
transmitter will interoperate with a Falling edge strobe Re-
ceiver (DS90CF384) without any translation logic.
This chipset is an ideal means to solve EMI and cable size
problems associated with wide, high speed TTL interfaces.
Block Diagram
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
Order Number DS90C383AMTD or DS90CF383AMTD
DS100100
See NS Package Number MTD56
DS90C383A/DS90CF383A
Features
n 20 to 65 MHz shift clock support
n Rejects
n Best–in–Class Set & Hold Times on TxINPUTs
n Tx power consumption
n
n Tx Power-down mode
n ESD rating
n Supports VGA, SVGA, XGA and Dual Pixel SXGA.
n Narrow bus reduces cable size and cost
n Up to 1.8 Gbps throughput
n Up to 227 Megabytes/sec bandwidth
n 345 mV (typ) swing LVDS devices for low EMI
n PLL requires no external components
n Compatible with TIA/EIA-644 LVDS standard
n Low profile 56-lead TSSOP package
n Improved replacement for:
225ps output Jitter
Grayscale
Alternatives
>
SN75LVDS83 — DS90C383A
SN75LVDS81 — DS90CF383A
50% Less Power Dissipation than BiCMOS
>
±
>
3ns Jitter from VGA chip with less than
7 kV (HBM),
@
65MHz (TJCC)
10010001
<
<
200µW (max)
130 mW (typ)
>
500V (EIAJ)
@
65MHz
www.national.com
May 2003

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DS90CF383AMTD Summary of contents

Page 1

... This chipset is an ideal means to solve EMI and cable size problems associated with wide, high speed TTL interfaces. Block Diagram Order Number DS90C383AMTD or DS90CF383AMTD TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2003 National Semiconductor Corporation ...

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 ( CMOS/TTL Input Voltage LVDS Driver Output Voltage LVDS Output Short Circuit Duration Junction Temperature Storage Temperature Lead Temperature (Soldering, 4 sec) ...

Page 3

Recommended Transmitter Input Characteristics Over recommended operating supply and temperature ranges unless otherwise specified Symbol TCIT TxCLK IN Transition Time (Figure 5 ) TCIP TxCLK IN Period (Figure 6 ) TCIH TxCLK IN High Time (Figure 6 ) TCIL TxCLK ...

Page 4

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

Page 5

AC Timing Diagrams (Continued) FIGURE 3. DS90C383A/DS90CF383A (Transmitter) LVDS Output Load FIGURE 4. DS90C383A/DS90CF383A (Transmitter) LVDS Transition Times FIGURE 5. DS90C383A/DS90CF383A (Transmitter) Input Clock Transition Time FIGURE 6. DS90C383A/DS90CF383A (Transmitter) Setup/Hold and High/Low Times (Falling Edge Strobe) FIGURE 7. DS90C383A/DS90CF383A ...

Page 6

AC Timing Diagrams FIGURE 8. DS90C383A/DS90CF383A (Transmitter) Phase Lock Loop Set Time FIGURE 9. 28 Parallel TTL Data Inputs Mapped to LVDS Outputs www.national.com (Continued) FIGURE 10. Transmitter Power Down Delay 6 10010014 10010017 10010018 ...

Page 7

AC Timing Diagrams (Continued) FIGURE 11. Transmitter LVDS Output Pulse Position Measurement FIGURE 12. TJCC Test Setup 7 10010026 10010027 www.national.com ...

Page 8

AC Timing Diagrams FIGURE 13. Timing Diagram of the Input cycle-to-cycle clock jitter DS90C383A Pin Description—FPD Link Transmitter Pin Name I/O No. TxIN I 28 TTL level input. This includes: 8 Red, 8 Green, 8 Blue, and 4 control lines ...

Page 9

DS90CF383A Pin Description—FPD Link Transmitter Pin Name I/O No. TxIN I 28 TTL level input. This includes: 8 Red, 8 Green, 8 Blue, and 4 control lines — FPLINE, FPFRAME and DRDY (also referred to as HSYNC, VSYNC, Data Enable). ...

Page 10

Pin Diagram DS90C383A www.national.com 10010023 Typical Application TABLE 1. Programmable Transmitter (DS90C383A) Pin Condition Strobe Status R_FB R_FB = V Rising edge strobe CC R_FB R_FB = GND or NC Falling edge strobe 10 DS90CF383A 10010024 10010003 ...

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) unless otherwise noted Order Number DS90C383AMTD, DS90CF383AMTD NS Package Number MTD56 2 ...

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