PDF DS90C383A Data sheet ( Hoja de datos )

Número de pieza	DS90C383A
Descripción	+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
Fabricantes	National Semiconductor
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No Preview Available ! July 1998 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 1.0 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. 2.0 Features n 20 to 65 MHz shift clock support n Rejects > ± 3ns Jitter from VGA chip with less than 225ps output Jitter @65MHz (TJCC) n Best–in–Class Set & Hold Times on TxINPUTs n Tx power consumption <130 mW (typ) @65MHz Grayscale n >50% Less Power Dissipation than BiCMOS Alternatives n Tx Power-down mode <200µW (max) n ESD rating >7 kV (HBM), >500V (EIAJ) 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: SN75LVDS83 — DS90C383A SN75LVDS81 — DS90CF383A 3.0 Block Diagrams DS90C383A/DS90CF383A DS100100-1 Order Number DS90C383AMTD or DS90CF383AMTD See NS Package Number MTD56 TRI-STATE® is a registered trademark of National Semiconductor Corporation. © 1999 National Semiconductor Corporation DS100100 www.national.com 1 page 6.0 AC Timing Diagrams (Continued) DS100100-30 FIGURE 3. DS90C383A/DS90CF383A (Transmitter) LVDS Output Load DS100100-6 FIGURE 4. DS90C383A/DS90CF383A (Transmitter) LVDS Transition Times DS100100-8 FIGURE 5. DS90C383A/DS90CF383A (Transmitter) Input Clock Transition Time DS100100-10 FIGURE 6. DS90C383A/DS90CF383A (Transmitter) Setup/Hold and High/Low Times (Falling Edge Strobe) DS100100-12 FIGURE 7. DS90C383A/DS90CF383A (Transmitter) Clock In to Clock Out Delay (Falling Edge Strobe) 5 www.national.com 5 Page 12.0 Physical Dimensions inches (millimeters) unless otherwise noted 56-Lead Molded Thin Shrink Small Outline Package, JEDEC Order Number DS90C383AMTD, DS90CF383AMTD NS Package Number MTD56 LIFE SUPPORT POLICY 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 into the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. National Semiconductor Corporation Americas Tel: 1-800-272-9959 Fax: 1-800-737-7018 Email: [email protected] www.national.com National Semiconductor Europe Fax: +49 (0) 1 80-530 85 86 Email: [email protected] Deutsch Tel: +49 (0) 1 80-530 85 85 English Tel: +49 (0) 1 80-532 78 32 Français Tel: +49 (0) 1 80-532 93 58 Italiano Tel: +49 (0) 1 80-534 16 80 National Semiconductor Asia Pacific Customer Response Group Tel: 65-2544466 Fax: 65-2504466 Email: [email protected] National Semiconductor Japan Ltd. Tel: 81-3-5639-7560 Fax: 81-3-5639-7507 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. 11 Page

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