XRT84L38 Datasheet (Exar Corporation)

XRT84L38, OCTAL T1/E1/J1 FRAMER

The XRT84L38 is an eight-channel 1.544 Mbit/s or 2.048 Mbit/s DS1/E1/J1 framing controller.

The XRT84L38 contains an integrated DS1/E1/J1 framer which provides DS1/E1/J1 framing and error accumulation in accordance with ANSI/ITU_T specifications.

Each framer has its own framing synchronizer and tran

XRT84L38 Features

* (next page) FIGURE 1. XRT84L38 8-CHANNEL DS1 (T1/E1/J1) FRAMER External Data Link Controller Local PCM Highway XRT84L38 1 of 8-channels 8 Tx Overhead In Rx Overhead Out TxPOS 8 TxNEG 8 TxLineCLK 8 8 DS1/E1 Channels 1.544/2.048 MHz XRT83L38 TPOS TNEG TCLK1 Tx Serial Data In 2-Frame Slip Buffe