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DS26524
Quad T1/E1/J1 Transceiver
Low-Power, Low-Cost SCT Pin and Software Compatible with the Octal DS26528 and Makes Migration to Higher Ports Easy, Available in Lead-Free Packages
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Status
Active: In Production.
Description
The DS26524 is a single-chip 4-port framer and line interface unit (LIU) combination for T1, E1, and J1 applications. Each channel is independently configurable, supporting both long-haul and short-haul lines.
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Data Sheet
Errata DS26524 26524A3.pdfErrata DS26524 26524A4.pdfErrata DS26524 26524A5.pdf
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Key Features
- 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
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Applications/Uses
- Channel Banks
- Channel Service Units (CSUs)
- Data Service Units (DSUs)
- Muxes
- Routers
- Switches
- T1/E1 Test Equipment
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Key Specifications:
| T/E Carrier & Packetized Products |
| Part Number |
Transmission Standard |
Functions |
Channels |
In-to-Out Clocks
(MHz) |
VSUPPLY
(V) |
EV Kit |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| max w/pins |
See Notes |
| DS26524 |
T1/E1/J1 |
Framer + LIU |
4 |
External Master Clock can be a multiple of 1.544 or 2.048 |
3.3 |
Yes |
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289 |
$31.72 @1k |
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See All T/E Carrier & Packetized Products (100)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
 Typical Operating Circuit
Didn't Find What You Need?
Information Index
Document Ref.: xxxx
Rev 2;
2007-12-05
This page last modified: 2007-12-05
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