XR-T6165CP Datasheet

  • XR-T6165CP

  • Time-Slot Assigner

  • 157.64KB

  • 16页

  • ETC

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XR-T6165
...the analog plus company
TM
Codirectional Digital
Data Processor
May 1997鈥?
FEATURES
D
Low Power CMOS Technology
D
All Receiver and Transmitter Inputs and Outputs are
TTL Compatible
D
Transmitter Inhibits Bipolar Violation Insertion for
Transmission of Alarm Conditions
D
Alarm Output Indicates Loss of Received Bipolar
Violations
D
Up to 125
s Variance of Data Transfer Timing in
Both Transmit and Receive Paths Allows Operation
in Plesiochronous Networks
D
Both Receiver and Transmitter Perform Byte
Insertion or Deletion in Response to Local Clock
Slips
APPLICATIONS
D
CCITT G.703 Compliant 64kbps Codirectional
Interface
D
Performs the Digital and Analog Functions for a
Complete 64kbps Data Adaption Unit (DAU) When
Used With the XR-T6164
GENERAL DESCRIPTION
The XR-T6165 is a CMOS device which contains the
digital circuitry necessary to interface both directions of a
64kbps data stream to 2.048Mbps transmit and receive
PCM time-slots. The XR-T6165 and the companion
XR-T6164 line interface chip together form a CCITT
G.703 compliant 64kbps codirectional interface.
The XR-T6165 contains separate transmit and receive
sections. The transmitter transforms 8 bit serial data from
a 2.048Mbps time-slot into an encoded 64kbps data
stream. The receiver, which performs the reverse
operation, decodes the 64kbps data, extracts a clock
signal, and then outputs the data to a 2.048Mbps
time-slot. The XR-T6165 provides features which allow
the repetitions and deletions of both received and
transmitted data as clock skews and transients occur.
ORDERING INFORMATION
Operating
Temperature Range
0掳C to +70掳C
鈥?0掳C to +85掳C
0掳C to +70掳C
鈥?0掳C to +85掳C
Part No.
XR-T6165CP
XR-T6165IP
XR-T6165CD
XR-T6165ID
Package
22 Lead 400 Mil PDIP
22 Lead 400 Mil PDIP
24 Lead 300 Mil JEDEC SOIC
24 Lead 300 Mil JEDEC SOIC
Rev. 2.02
E1990
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538
z
(510) 668-7000
z
(510) 668-7010
1

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