DS2154
Enhanced E1 Single-Chip Transceiver
www.maxim-ic.com
FEATURES
PIN CONFIGURATION
TOP VIEW
DS2154
100
Complete E1 (CEPT) PCM-30/ISDN-PRI
Transceiver Functionality
On-Board Long- and Short-Haul Line
Interface for Clock/Data Recovery and
Waveshaping
32-Bit or 128-Bit Crystal-Less Jitter
Attenuator
Generates Line Build-Outs for Both 120Ω
and 75Ω Lines
Frames to FAS, CAS, and CRC4 Formats
Dual On-Board Two-Frame Elastic Store Slip
Buffers That can Connect to Asynchronous
Backplanes Up to 8.192MHz
8-Bit Parallel Control Port That can be Used
Directly on Either Multiplexed or
Nonmultiplexed Buses (Intel or Motorola)
Extracts and Inserts CAS Signaling
Detects and Generates Remote and AIS
Alarms
Programmable Output Clocks for Fractional
E1, H0, and H12 Applications
Fully Independent Transmit and Receive
Functionality
Full Access to Both Si and Sa Bits Aligned
with CRC Multiframe
Four Separate Loopbacks for Testing
Functions
Large Counters for Bipolar and Code
Violations, CRC4 Codeword Errors, FAS
Errors, and E Bits
Pin Compatible with DS2152 T1 Enhanced
Single-Chip Transceiver
5V Supply; Low-Power CMOS
100-Pin, 14mm2 LQFP Package
1
LQFP
(14mm x 14mm)
ORDERING INFORMATION
PART
DS2154L
DS2154L+
DS2154LN
DS2154LN+
TEMP
RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PINPACKAGE
100 LQFP
100 LQFP
100 LQFP
100 LQFP
+Denotes lead-free/RoHS-compliant package.
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
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REV: 011706
