The DS90C363A/DS90CF363A 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. At a transmit clock frequency of 65 MHz, 18 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 170 Mbytes/sec. The DS90C363A transmitter can be programmed for Rising edge strobe or Falling edge strobe through a dedicated pin.
The DS90CF363A is fixed as a Falling edge strobe transmitter. A Rising edge or Falling edge strobe transmitter will interoperate with a Falling edge strobe Receiver (DS90CF364) without any translation logic.
This chipset is an ideal means to solve EMI and cable size problems associated with wide, high speed TTL interfaces.
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`20 to 65 MHz shift clock support`Rejects > ± 3ns Jitter from VGA chip with less 225ps output Jitter @65MHz (TJCC)`BestinClass Set & Hold Times on TxINPUTs`Tx power consumption <130 mW (typ) @65MHz Grayscale`>50% Less Power Dissipation than BiCMOS Alternatives`Tx Power-down mode <200µW (max)`ESD rating >7 kV (HBM), >500V (EIAJ)`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: SN75LVDS85 - DS90C363A SN75LVDS84 - DS90CF363A
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Supply Voltage (VCC) −0.3V to +4V
CMOS/TTL Input Voltage −0.3V to (VCC + 0.3V)
LVDS Driver Output Voltage −0.3V to (VCC + 0.3V)
LVDS Output Short Circuit Duration Continuous
Junction Temperature +150°C
Storage Temperature&
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