TLK3138

` Eight Channel 3.125 Gbps Transceiver
Contains Two Complete IEEE P802.3ae-2002
10 Gbps Ethernet XGXS(1) (XAUI) Compliant
Cores
` XAUI (Serial side) Channel Redundancy Mode
Support: Fast Switching from Primary to
Secondary XAUI/Channel with Provisionable
Error Character or Local Fault Code Insertion
at Switch Time
` XGMII (Parallel side) Channel Redundancy
Mode Support: Fast Switching from Primary
to Secondary XGMII/Channel with
Provisionable Error Character or Local Fault
` Code Insertion at Switch Time
Serial Side Transmit Pre-emphasis and
Receive Adaptive Equalization to Allow
` Extended Backplane Reach
` Selectable Full Duplex Serial Side Retimer
Mode
` Full Datapath Loopback Capability
(Serial/Parallel Side)
` Support PRBS 27-1 and 223-1 Generate/Verify.
` Support Standard Defined CJPAT, CRPAT,
` High Frequency, Low Frequency, and Mixed
Frequency Testing
` XGMII: HSTL Class 1 I/O with On-chip 50-W
` Termination on Inputs/Outputs (1.5-V Power
Supply)
` XGMII: Support Receive (Output)
` Aligned/Centered Timing Modes, and Transmit
(Input) Source Centered Mode
` Supports Jumbo Packet (9600 byte maximum)
Operation
` Align Character Skew Support of 30 bit Times
at Chip Pins
` Dual MDIO: IEEE 802.3ae Clause 45 Compliant
` Management Data Input / Output Interface
(1.2-V and 2.5-V I/O)
1.2-V Core, 1.5-V HSTL I/O Supply, and 2.5-V
` LVCMOS and Bias Supply
` JTAG: IEEE 1149.1 Test Interface
` ±200 ppm Clock Tolerance in XAUI Transmit
and Receive Datapaths
` Diagnostic LED Output Interface
` 130-nm CMOS Technology
` Package: PBGA 484, 23´23mm, 484 ball, 1mm
Pitch
` 2.42 W Typical Power Dissipation (Dual XAUI
Mode, Input HSTL Termination Disabled)
` Commercial Ambient Operating Temp
(0 to 70)
(1) XGMII Extender Sublayer

(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values, except differential I/O bus voltages, are with respect to network ground terminal.

The TLK3138 is an eight channel serial transceiver. It is compliant with the 10Gbps Ethernet XAUI specification.

The TLK3138 provides 10 Gbps high-speed bi-directional point-to-point data transmission. The primary application of this device is in backplanes and front panel connections requiring dual/redundant 10Gbps connections over controlled impedance media of approximately 50W. The transmission media can be printed circuit board (PCB) traces, copper cables or fiber-optical media. The ultimate rate and distance of data transfer is dependent upon the attenuation characteristics of the media and the noise coupling into the lines.

The TLK3138 performs the parallel-to-serial, serial-to-parallel conversion, and clock extraction functions for a physical layer interface. The TLK3138 provides two complete XGXS/PCS functions defined in Clause 47/48 of the IEEE P802.3ae 10Gbps Ethernet standard. The serial transmitter is implemented using differential Current Mode Logic (CML) with integrated termination resistors.

The TLK3138 can be configured as a dual XAUI transceiver. TLK3138 supports two 32-bit data path, 4-bit control, 10 Gigabit Media Independent Interfaces (XGMII) to the protocol device(s). Figure 1 shows an example system block diagram for TLK3138 used to provide the 10Gbps Ethernet Physical Coding Sublayer to Coarse Wave-length Division Multiplexed optical transceiver or parallel optics.