XRT59L91 is Single-Chip E1 Line Interface Unit manufactured by Exar.
| Part Number | Description |
|---|---|
| XRT59L921 | TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT |
| XRT5997 | Seven-Channel E1 Line Interface Unit |
| XRT5683A | PCM Line Interface Chip |
| XRT56L22 | Low Power Repeater/Receiver |
| XRT56L85 | Low Power PCM Line Interface |
The XRT59L91 is an optimized single-chip analog 3.3V E1 line interface unit (LIU) fabricated using low power CMOS technology. The LIU IC consists of both a Transmitter and a Receiver function. The Transmitter accepts a TTL or CMOS level signal from the Terminal Equipment;.
