ds26524 Maxim Integrated Products, Inc., ds26524 Datasheet
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ds26524
Manufacturer Part Number
ds26524
Description
Ds26524 Quad T1/e1/j1 Transceiver
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS26524.pdf
(273 pages)
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GENERAL DESCRIPTION
The DS26524 is a single-chip 4-port framer and line
interface unit (LIU) combination for T1, E1, and J1
applications.
configurable, supporting both long-haul and short-haul
lines.
APPLICATIONS
Routers
Channel Service Units (CSUs)
Data Service Units (DSUs)
Muxes
Switches
Channel Banks
T1/E1 Test Equipment
TYPICAL OPERATING CIRCUIT
ORDERING INFORMATION
+ Denotes lead-free/RoHS compliant device.
www.maxim-ic.com
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.
DS26524G
DS26524G+
DS26524GN
DS26524GN+
NETWORK
PART
T1/E1/J1
Each
Transceiver
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
T1/J1/E1
0°C to +70°C
0°C to +70°C
DS26524
channel
x4
is
PIN-PACKAGE
256 TE-CSBGA
256 TE-CSBGA
256 TE-CSBGA
256 TE-CSBGA
BACKPLANE
independently
TDM
1 of 273
FEATURES
Features Continued in Section 2.
Quad T1/E1/J1 Transceiver
Four Complete T1, E1, or J1 Long-Haul/Short-
Haul Transceivers (LIU plus Framer)
Independent T1, E1, or J1 Selections for Each
Transceiver
Internal Software-Selectable Transmit- and
Receive-Side Termination for 100Ω T1 Twisted
Pair, 110Ω J1 Twisted Pair, 120Ω E1 Twisted
Pair, and 75Ω E1 Coaxial Applications
Crystal-Less Jitter Attenuator can be Selected
for Transmit or Receive Path; Jitter Attenuator
Meets ETS CTR 12/13, ITU-T G.736, G.742,
G.823, and AT&T Pub 62411
External Master Clock can be Multiple of
2.048MHz or 1.544MHz for T1/J1 or E1
Operation; This Clock is Internally Adapted for
T1 or E1 Usage in the Host Mode
Receive-Signal Level Indication from -2.5dB to
-36dB in T1 Mode and -2.5dB to -44dB in E1
Mode in Approximate 2.5dB Increments
Transmit Open- and Short-Circuit Detection
LIU LOS in Accordance with G.775, ETS 300
233, and T1.231
Transmit Synchronizer
Flexible Signaling Extraction and Insertion
Using Either the System Interface or
Microprocessor Port
Alarm Detection and Insertion
T1 Framing Formats of D4, SLC-96, and ESF
J1 Support
E1 G.704 and CRC-4 Multiframe
T1-to-E1 Conversion
DS26524
REV: 112907
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