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DS26528 The DS26528 is a single-chip 8-port framer and line interface unit (LIU) combination for T1, E1, and J1 applications. It supports independent channel configuration for long-haul and short-haul lines.
Mfr Part #:

DS26528

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS26528 is a single-chip 8-port framer and line interface unit (LIU) combination for T1, E1, and J1 applications. It supports independent channel configuration for long-haul and short-haul lines.
✓ Total Stock: 4,500 pcs

DS26528 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
4,500 pcs
On Request
4500 pcs On Request 1 On Request On Request On Request On Request On Request
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DS26528 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duplex
Lead Spacing
Mounting Type
Number of Drivers
Operating Temperature
Protocol
Supplier Device Package
Supplier Package
Type
Voltage
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DS26528 Description

Short technical summary and product information.

The DS26528 from Analog Devices / Maxim Integrated is a versatile single-chip solution integrating an 8-port framer and line interface unit (LIU) for T1, E1, and J1 telecommunication applications. Each of the eight channels is independently configurable, supporting both long-haul and short-haul lines.

 

Key features include internal software-selectable transmit- and receive-side termination for various twisted pair and coaxial line types. The device incorporates a crystal-less jitter attenuator that meets multiple industry standards, including ETS CTR 12/13 and ITU-T G.736. It also supports external master clocks and provides receive-signal level indication.

 

Designed for applications such as routers, channel service units (CSUs), data service units (DSUs), muxes, switches, and channel banks, the DS26528 offers flexible signaling extraction and insertion. It supports T1 framing formats (D4, SLC-96, ESF), J1, and E1 (G.704, CRC-4 multiframe), with T1-to-E1 conversion capabilities.

 

The DS26528 is available in a 256-CSBGA package and is designed for surface mount applications. It operates within a temperature range of 0°C to 70°C and a voltage range of 3.135V to 3.465V.

DS26528 Quick Information

Product Type: Transceiver
Canonical Name: DS26528 Octal T1/E1/J1 Transceiver
Subcategory: Line Interface Unit (LIU)

DS26528 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS26528 Features

  • Eight independent T1, E1, or J1 transceivers.
  • Software-selectable line termination options.
  • Crystal-less jitter attenuator meets industry standards.
  • Supports T1, J1, and E1 framing formats.
  • Compact 256-CSBGA surface mount package.

DS26528 Applications

  • Ideal for routers and switches.
  • Used in Channel Service Units (CSUs).
  • Suitable for Data Service Units (DSUs).
  • Applicable for multiplexers and channel banks.
  • Useful for T1/E1 test equipment.

DS26528 FAQs

6 frequently asked questions generated from this part’s specifications.
What type of transceiver is the DS26528?

The DS26528 is a full duplex transceiver supporting T1, E1, and J1 protocols.

How many T1/E1/J1 channels does the DS26528 support?

The DS26528 supports eight independent T1, E1, or J1 channels.

What are the supported line termination options for the DS26528?

It supports internal software-selectable termination for 100Ω T1 Twisted Pair, 110Ω J1 Twisted Pair, 120Ω E1 Twisted Pair, and 75Ω E1 Coaxial applications.

Does the DS26528 have a jitter attenuator?

Yes, it features a crystal-less jitter attenuator that meets ETS CTR 12/13, ITU-T G.736, G.742, G.823, and AT&T Pub 62411 standards.

What is the operating temperature range for the DS26528?

The operating temperature range is 0°C to 70°C.

What is the package type for the DS26528?

The DS26528 is supplied in a 256-CSBGA (17x17) package for surface mounting.

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