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DS90CF383BMT Datasheet(PDF) 1 Page - Texas Instruments |
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DS90CF383BMT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 15 page DS90C383B www.ti.com SNLS177G – APRIL 2004 – REVISED APRIL 2013 Programmable LVDS Transmitter 24-Bit Flat Panel Display (FPD) Link-65 MHz Check for Samples: DS90C383B 1 FEATURES • PLL requires no external components • Compatible with TIA/EIA-644 LVDS standard 23 • No special start-up sequence required between clock/data and /PD pins. Input signal • Low profile 56-lead TSSOP package (clock and data) can be applied either before • Improved replacement for: or after the device is powered – SN75LVDS83, DS90C383A • Support Spread Spectrum Clocking up to 100kHz frequency modulation and deviations DESCRIPTION of ±2.5% center spread or -5% down spread The DS90C383B transmitter converts 28 bits of • "Input Clock Detection" feature will pull all CMOS/TTL data into four LVDS (Low Voltage LVDS pairs to logic low when input clock is Differential Signaling) data streams. A phase-locked transmit clock is transmitted in parallel with the data missing and when /PD pin is logic high streams over a fifth LVDS link. Every cycle of the • 18 to 68 MHz shift clock support transmit clock 28 bits of input data are sampled and • Best-in-Class Setup and Hold Times on transmitted. At a transmit clock frequency of 65 MHz, TxINPUTs 24 bits of RGB data and 3 bits of LCD timing and control data (FPLINE, FPFRAME, DRDY) are • Tx power consumption < 130 mW (typ) at transmitted at a rate of 455 Mbps per LVDS data 65MHz Grayscale channel. Using a 65 MHz clock, the data throughput • 40% Less Power Dissipation than BiCMOS is 227 Mbytes/sec. The DS90C383B transmitter can Alternatives be programmed for Rising edge strobe or Falling • Tx Power-down mode < 60 μW (typ) edge strobe through a dedicated pin. A Rising edge or Falling edge strobe transmitter will interoperate • Supports VGA, SVGA, XGA and Dual Pixel with a Falling edge strobe Receiver (DS90CF386) SXGA. without any translation logic. • Narrow bus reduces cable size and cost This chipset is an ideal means to solve EMI and • Up to 1.8 Gbps throughput cable size problems associated with wide, high speed • Up to 227 Megabytes/sec bandwidth TTL interfaces. • 345 mV (typ) swing LVDS devices for low EMI Block Diagram Figure 1. DS90C383B 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 TRI-STATE is a registered trademark of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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