PHY 4TX-CH 256-Pin BGA

The CYP15G0401TB Quad HOTLink II Transmitter is a point-to-point or point-to-multipoint communications building block allowing the transfer of data over high-speed serial links (optical fiber, balanced, and unbalanced copper transmission lines) at signaling speeds ranging from 195-to-1500 MBaud per serial link. Each transmitter accepts parallel characters in an Input Register, encodes each character for transport, and converts it to serial data. Figure 1 illustrates typical connections between independent host systems and corresponding CYP15G0401TB and CYP15G0401RB parts. As a second-generation HOTLink device, the CYP15G0401TB extends the HOTLink family with enhanced levels of integration and faster data rates, while maintaining serial-link compatibility (data, command, and BIST) with other HOTLink devices. The transmitters (TX) of the CYP15G0401TB Quad HOTLink II consist of four byte-wide channels. Each channel can accept either eight-bit data characters or pre-encoded 10-bit transmission characters. Data characters are passed from the Transmit Input Register to an embedded 8B/10B Encoder to improve their serial transmission characteristics. These encoded characters are then serialized and output from dual Positive ECL (PECL)-compatible differential transmission-line drivers at a bit-rate of either 10- or 20-times the input reference clock. The integrated 8B/10B Encoder may be bypassed for systems that present externally encoded or scrambled data at the parallel interface.

• Quad transmitter for 195 to 1500 MBaud serial signaling rate
  • Aggregate throughput of 6 GBits/second
• Second-generation HOTLink® technology
• Compliant to multiple standards
  • ESCON, DVB-ASI, Fibre Channel and Gigabit Ethernet (IEEE802.3z)
  • 8B/10B encoded or 10-bit unencoded data
• Selectable parity check
• Selectable input clocking options
• Synchronous LVTTL parallel interface
• Optional Phase Align Buffer in Transmit Path
• Internal phase-locked loop (PLL) with no external PLL components
• Dual differential PECL-compatible serial outputs per channel
  • Source matched for 50? transmission lines
  • No external bias resistors required
  • Signaling-rate controlled edge-rates
• Compatible with
  • fiber-optic modules
  • copper cables
  • circuit board traces
• JTAG boundary scan
• Built-In Self-Test (BIST) for at-speed link testing
• Low power 1.9W @ 3.3V typical