DS3254 - Maxim Integrated Products

DS3254 (DS3251 - DS3254) Single / Dual / Triple / Quad DS3/E3/STS-1 LIUs

The DS3251 (single), DS3252 (dual), DS3253 (triple), and DS3254 (quad) line interface units (LIUs) perform the functions necessary for interfacing at the physical layer to DS3, E3, or STS-1 lines. Each LIU has independent receive and transmit paths and a built-in jitter attenuator. An on-chip clock adapter generates all line-rate clocks from a single input c.

Features

§ § § § § § § § Pin-Compatible Family of Products Each Port Independently Configurable Receive Clock and Data Recovery for Up to 380 meters (DS3), 440 meters (E3), or 360 meters (STS-1) of 75W Coaxial Cable Standards-Compliant Transmit Waveshaping Three Control Interface Options: 8-Bit Parallel, SPI, and Hardware Mode Built-In Jitter Attenuators can be Placed in Either the Receive or Transmit Paths Jitter Attenuators Have Provisionable Buffer Depth: 16, 32, 64, or 128 Bits Built-In Clock Adapter Generates All Line-Rate Clocks from a Single Input Clock (DS3, E3, STS-1, OC-3, 19.44MHz, 38.88MHz,.