DS2181AQ Maxim Integrated Products, DS2181AQ Datasheet - Page 2

• Manufacturer Part Number: DS2181AQ
• Description: IC TXRX CEPT PRIMARY RATE 44PLCC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of DS2181AQ

• Number Of Drivers/receivers: 1/1
• Protocol: CEPT
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 44-LCC, 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DS2181A
DESCRIPTION
The DS2181A is designed for use in CEPT networks and supports all logical requirements of CCITT Red
Book Recommendations G.704, G.706 and G.732. The transmit side generates framing patterns and
CRC4 codes, formats outgoing channel and signaling data, and produces network alarm codes when
enabled. The receive side decodes the incoming data and establishes frame, CAS multiframe, and CRC4
multiframe alignments. Once synchronized, the device extracts channel, signaling, and alarm data.
A serial port allows access to 14 on-chip control and status registers in the processor mode. In this mode,
a host processor controls features such as error logging, per-channel code manipulation, and alteration of
the receive synchronizer algorithm.
The hardware mode is intended for preliminary system prototyping and/or retrofitting into existing
systems. This mode requires no host processor and disables special features available in the processor
mode.
DS2180A BLOCK DIAGRAM Figure 1
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