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TLK2711GQE Datasheet(PDF) 1 Page - Texas Instruments |
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TLK2711GQE Datasheet(HTML) 1 Page - Texas Instruments |
1 / 22 page TLK2711 1.6 TO 2.7 GBPS TRANSCEIVER SLLS501 – SEPTEMBER 2001 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 1.6 to 2.7 Gigabits Per Second (Gbps) Serializer/Deserializer D Hot-Plug Protection D High-Performance 80-Pin BGA Microstar Junior Package (GQE) D 2.5-V Power Supply for Low Power Operation D Programmable Preemphasis Levels on Serial Output D Interfaces to Backplane, Copper Cables, or Optical Converters D On-Chip 8-bit/10-bit Encoding/Decoding, Comma Detect D On-Chip PLL Provides Clock Synthesis From Low-Speed Reference D Receiver Differential Input Thresholds 200 mV Minimum D Low Power: < 500 mW D 3 V Tolerance on Parallel Data Input Signals D 16-Bit Parallel TTL Compatible Data Interface D Ideal for High-Speed Backplane Interconnect and Point-to-Point Data Link D Industrial Temperature Range (–40°C to 85 °C RCP Package Only) D Loss of Signal (LOS) Detection D Integrated 50-Ω Termination Resistors on RX description The TLK2711 is a member of the WizardLink transceiver family of multigigabit transceivers, intended for use in ultrahigh-speed bidirectional point-to-point data transmission systems. The TLK2711 supports an effective serial interface speed of 1.6 Gbps to 2.7 Gbps, providing up to 2.16 Gbps of data bandwidth. The primary application of this chip is to provide very high-speed I/O data channels for point-to-point baseband data transmission over controlled impedance media of approximately 50 Ω. The transmission media can be printed-circuit board, copper cables, or fiber-optic cable. The maximum rate and distance of data transfer is dependent upon the attenuation characteristics of the media and the noise coupling to the environment. This device can also be used to replace parallel data transmission architectures by providing a reduction in the number of traces, connector terminals, and transmit/receive terminals. Parallel data loaded into the transmitter is delivered to the receiver over a serial channel, which can be a coaxial copper cable, a controlled impedance backplane, or an optical link. It is then reconstructed into its original parallel format. It offers significant power and cost savings over parallel solutions, as well as scalability for higher data rates in the future. The TLK2711 performs data conversion parallel-to-serial and serial-to-parallel. The clock extraction functions as a physical layer interface device. The serial transceiver interface operates at a maximum speed of 2.7 Gbps. The transmitter latches 16-bit parallel data at a rate based on the supplied reference clock (TXCLK). The 16-bit parallel data is internally encoded into 20 bits using an 8-bit/10-bit (8b/10b) encoding format. The resulting 20-bit word is then transmitted differentially at 20 times the reference clock (TXCLK) rate. The receiver section performs the serial-to-parallel conversion on the input data, synchronizing the resulting 20-bit wide parallel data to the recovered clock (RXCLK). It then decodes the 20-bit wide data using the 8-bit/10-bit decoding format resulting in 16 bits of parallel data at the receive data terminals (RXD0-15). The outcome is an effective data payload of 2 Gbps to 2.5 Gbps (16 bits data x the frequency). The TLK2711 is provided in two packages options: a 80-pin ball grid array MicroStar Junior package and a 64-pin VQFP (RCP) package. The TLK2711 provides an internal loopback capability for self-test purposes. Serial data from the serializer is passed directly to the deserializer, providing the protocol device with a functional self-check of the physical interface. 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. Copyright 2001, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. MicroStar Junior and PowerPAD are trademarks of Texas Instruments. |
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