Datasheet

DS90C363B
www.ti.com SNLS179F –APRIL 2004–REVISED APRIL 2013
+3.3V Programmable LVDS Transmitter 18-Bit Flat Panel Display (FPD) Link -65 MHz
Check for Samples: DS90C363B
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FEATURES
DESCRIPTION
The DS90C363B transmitter converts 21 bits of
23
• No special start-up sequence required
CMOS/TTL data into three LVDS (Low Voltage
between clock/data and /PD pins. Input signal
Differential Signaling) data streams. A phase-locked
(clock and data) can be applied either before
transmit clock is transmitted in parallel with the data
or after the device is powered.
streams over a fourth LVDS link. Every cycle of the
• Support Spread Spectrum Clocking up to
transmit clock 21 bits of input data are sampled and
100kHz frequency modulation and deviations
transmitted. At a transmit clock frequency of 65 MHz,
18 bits of RGB data and 3 bits of LCD timing and
of ±2.5% center spread or −5% down spread.
control data (FPLINE, FPFRAME, DRDY) are
• "Input Clock Detection" feature will pull all
transmitted at a rate of 455 Mbps per LVDS data
LVDS pairs to logic low when input clock is
channel. Using a 65 MHz clock, the data throughput
missing and when /PD pin is logic high.
is 170 Mbytes/sec. The DS90C363B transmitter can
• 18 to 68 MHz shift clock support
be programmed for Rising edge strobe or Falling
edge strobe through a dedicated pin. A Rising edge
• Best–in–Class Set & Hold Times on TxINPUTs
or Falling edge strobe transmitter will interoperate
• Tx power consumption < 130 mW (typ) at
with a Falling edge strobe Receiver (DS90CF366)
65MHz Grayscale
without any translation logic.
• 40% Less Power Dissipation than BiCMOS
This chipset is an ideal means to solve EMI and
Alternatives
cable size problems associated with wide, high speed
• Tx Power-down mode < 37μW (typ)
TTL interfaces.
• Supports VGA, SVGA, XGA and Dual Pixel
SXGA.
• Narrow bus reduces cable size and cost
• Up to 1.3 Gbps throughput
• Up to 170 Megabytes/sec bandwidth
• 345 mV (typ) swing LVDS devices for low EMI
• PLL requires no external components
• Compatible with TIA/EIA-644 LVDS standard
• Low profile 48-lead TSSOP package
• Improved replacement for:
– SN75LVDS84, DS90C363A
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