First 16-Port T1/E1/J1 Transceiver Provides Industry's Highest Integration and Lowest Cost per Port
Note to Editor:
- The DS26519 is the industry's first 16-port T1/E1/J1 transceiver.
- At 16 ports, the DS26519 provides the industry's highest integration and lowest cost per port.
- It uses 0.18µm technology and features a thermally efficient package.
- The DS26519 is ideal for channel service units (CSUs), data service units (DSUs), muxes, switches, routers, channel banks, and test equipment.
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DALLAS, TX—April 18, 2007—Dallas Semiconductor, a wholly owned subsidiary of Maxim Integrated Products (NASDAQ: MXIM), introduces the DS26519, the industry's first 16-port T1/E1/J1 long- and short-haul transceiver. At 16 ports, this single-chip transceiver (SCT) offers the highest integration and lowest cost per port in the industry. The high integration of the DS26519, along with its low 1.8V/3.3V power operation, makes it ideal for channel service units (CSUs), data service units (DSUs), muxes, switches, routers, channel banks, and test equipment.
The DS26519 saves space and cost by eliminating the need for the mechanical relays typically required by redundancy protection implementations. This device uses hitless protection switching (HPS) to provide reliable redundancy protection by presenting high impedance at transmit outputs and receive inputs when power is not applied. Additional space and cost savings are provided by its software-selectable, internal receive- and transmit-side termination for 75Ω E1 coaxial, 100Ω T1 twisted-pair, 110Ω J1 twisted-pair, or 120Ω E1 twisted-pair applications.
The DS26519 provides comprehensive functions for monitoring performance and communicating diagnostic information. The diagnostic suite includes, but is not limited to: a bit-error-rate tester; loss-of-signal indication; analog, local, remote and dual loopbacks; large error counters for BPV, CV, CRC-6, CRC-4, and E-bit; in-band repeating-pattern generation/detection; and JTAG. Also included is an internal clock-rate adapter and a HDLC controller with a 64-byte buffer in both the transmit and receive paths.
The DS26519 is available in a thermally robust, 23mm x 23mm, 484-pin HSBGA package. The DS26518 is also available as a software compatible 8-port version in a 17mm x 17mm, 256-pin BGA package. Evaluation kits with supporting software, driver source code, and reference designs are available for both devices. Prices start at $69.96 for the DS26519 and at $40.60 for the DS26518 (5000-up, FOB USA).
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