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DS90CR218A Datasheet +3.3V Rising Edge Data Strobe LVDS

Manufacturer: National Semiconductor (now Texas Instruments)

General Description

The DS90CR217 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.

Overview

DS90CR218A/DS90CR217 +3.3V Rising Edge Data Strobe LVDS 21-Bit Channel Link-85 MHz November 1999 DS90CR218A/DS90CR217 +3.

Key Features

  • n n n n n n n n n n n n n 20 to 85 MHz shift clock support 50% duty cycle on receiver output clock Best.
  • in.
  • Class Set & Hold Times on TxINPUTs Low power consumption ± 1V common mode range (around +1.2V) Narrow bus reduces cable size and cost Up to 1.785 Gbps throughput Up to 223 Megabytes/sec bandwidth 345 mV (typ) swing LVDS devices for low EMI PLL requires no external components Rising edge data strobe Compatible with TIA/EIA-644 LVDS standard Low profile 48-lead TSSOP package.