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XR-C277

Exar
Part Number XR-C277
Manufacturer Exar
Description Low-Voltage PCM Repeater
Published Apr 5, 2018
Detailed Description XR-C277 Low-Voltage PCM Repeater GENERAL DESCRIPTION The XR-C277 is a monolithic repeater circuit for PulseCode Modul...
Datasheet PDF File XR-C277 PDF File

XR-C277
XR-C277

Overview
XR-C277 Low-Voltage PCM Repeater GENERAL DESCRIPTION The XR-C277 is a monolithic repeater circuit for PulseCode Modulated (PCM) telephone systems.
It is designed to operate as a regenerative repeater at 1.
544 Megabits per second (Mbps) data rate on T1-type PCM lines.
It is packaged in a hermetic 16-Pin CERDIP package and is designed to operate over a temperature range of -40°C to +85°C.
It contains all the basic functional blocks of a regenerative repeater system, including Automatic Line Build-Out (ALBO) and equalization, and is insensitive to reflections caused by cable discontinuities.
The key feature of the XR-C277 is its ability to operate with low supply voltage (6.
3 volts and 4.
3 ...


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