DS2154
Enhanced E1 Single-Chip Transceiver
www.maxim-ic.com
FEATURES
PIN CONFIGURATION
ꢀ Complete E1 (CEPT) PCM-30/ISDN-PRI
Transceiver Functionality
TOP VIEW
ꢀ On-Board Long- and Short-Haul Line
Interface for Clock/Data Recovery and
Waveshaping
DS2154
ꢀ 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
1
LQFP
ꢀ Programmable Output Clocks for Fractional
E1, H0, and H12 Applications
(14mm x 14mm)
ꢀ Fully Independent Transmit and Receive
Functionality
ORDERING INFORMATION
ꢀ Full Access to Both Si and Sa Bits Aligned
with CRC Multiframe
TEMP
PIN-
PART
RANGE
PACKAGE
100 LQFP
100 LQFP
100 LQFP
100 LQFP
DS2154L
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
ꢀ Four Separate Loopbacks for Testing
Functions
DS2154L+
DS2154LN
DS2154LN+
ꢀ Large Counters for Bipolar and Code
Violations, CRC4 Codeword Errors, FAS
Errors, and E Bits
+Denotes lead-free/RoHS-compliant package.
ꢀ Pin Compatible with DS2152 T1 Enhanced
Single-Chip Transceiver
ꢀ 5V Supply; Low-Power CMOS
ꢀ 100-Pin, 14mm2 LQFP 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
ROCHESTER [ Rochester Electronics ]
