XR-T56L22
...the analog plus company
TM
Low Power
Repeater/Receiver
June 1997-3
FEATURES
D
Contains All The Active Components For A PCM
Repeater Or Long Haul Line Receiver
D
Low Voltage Operation (5.1V)
D
Low Power Consumption (8.75mA Max)
D
2Mbps Operation Capability
D
Dual Matched ALBO Ports
D
Internal Adjustable Phase Shift Circuitry
D
Extracted Clock Output
D
Internal Shunt Regulator
D
Temperature Independent Current Biasing
APPLICATIONS
D
T1 PCM Repeater/Receiver
D
T148C PCM Repeater/Receiver
D
European 2.048Mbps PCM Repeater/Receiver
D
Digital Multiplexers, CSUs, Switching Equipment
D
ISDN Compatible Equipment: Fax Machines,
Computers etc.
GENERAL DESCRIPTION
The XR-T56L22 is a very low power monolithic repeater/
receiver IC designed for PCM carrier systems operating
between 1.544Mbps and 2.37Mbps. The IC provides all
the active circuitry required to implement one side of a
PCM repeater. The XR-T56L22 features on-chip
ORDERING INFORMATION
Operating
Temperature Range
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
adjustable phase shifting, an extracted clock output and
an on-board shunt regulator. The very low power
consumption of the device makes it ideal for long haul
鈥渢andem鈥?repeater applications.
Part No.
XR-T56L22AP
XR-T56L22AN
XR-T56L22AD
Package
18 Lead 300 Mil PDIP
18 Lead 300 Mil CDIP
18 Lead 300 Mil Jedec SOIC
Rev. 1.02
E1997
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538
z
(510) 668-7000
z
FAX (510) 668-7017
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