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DS21348TN The Analog Devices / Maxim Integrated DS21348TN is a single E1/T1/J1 Line Interface Unit (LIU) IC. It operates at 3.3V and is housed in a 44-TQFP package.
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DS21348TN

Available from 3 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices / Maxim Integrated DS21348TN is a single E1/T1/J1 Line Interface Unit (LIU) IC. It operates at 3.3V and is housed in a 44-TQFP package.
✓ Total Stock: 1,556 pcs

DS21348TN Available from 3 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,424 pcs
On Request
1424 pcs On Request 1 On Request On Request On Request On Request On Request
Innova Technologies ✓
Non-Authorised Inventory information
131 pcs
On Request
131 pcs On Request 1 On Request On Request On Request On Request On Request
RAD ✓
Non-Authorised Inventory information
1 pcs
On Request
1 pcs On Request 1 On Request On Request On Request On Request On Request
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DS21348TN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS21348TN Description

Short technical summary and product information.

The DS21348TN from Analog Devices / Maxim Integrated is a versatile Line Interface Unit (LIU) designed for both short-haul and long-haul telecommunications applications. This IC supports E1, T1, and J1 line interfaces, offering flexibility for various network standards.

 

Key features include a 3.3V power supply, internal software-selectable receive-side termination for 75Ω, 100Ω, or 120Ω, and a crystal-less jitter attenuator requiring only a 2.048MHz master clock. The device generates appropriate line build-outs for E1 and T1, supports AMI, HDB3, and B8ZS encoding/decoding, and provides programmable monitor modes. It also includes loopback capabilities and PRBS pattern generation/detection.

 

The DS21348TN is available in a 44-TQFP (10x10) package, suitable for surface mount applications. It operates within a temperature range of -40°C to 85°C, making it suitable for demanding environments. The interface supports 8-bit parallel or serial connections and includes features like Blue (AIS) alarm detection and transmit open-circuit detection.

DS21348TN Quick Information

Product Type: Telecom Interface IC
Canonical Name: DS21348TN Single E1/T1/J1 Line Interface Unit (LIU)
Subcategory: Telecom

DS21348TN Compliance

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

DS21348TN Features

  • Complete E1, T1, or J1 Line Interface Unit.
  • Supports long-haul and short-haul trunks.
  • Internal software-selectable receive-side termination.
  • 32-Bit or 128-Bit crystal-less jitter attenuator.
  • AMI, HDB3, and B8ZS encoding/decoding.

DS21348TN Applications

  • Used in telecommunications systems.
  • Suitable for network infrastructure.
  • Ideal for line termination applications.
  • Supports various trunk types.

DS21348TN FAQs

6 frequently asked questions generated from this part’s specifications.
What type of line interface does the DS21348TN support?

The DS21348TN supports E1, T1, and J1 line interfaces.

What is the operating voltage for the DS21348TN?

The operating voltage for the DS21348TN is 3.3V.

What is the operating temperature range of the DS21348TN?

The DS21348TN operates in a temperature range of -40°C to 85°C.

What package type is the DS21348TN available in?

The DS21348TN is available in a 44-TQFP package.

Does the DS21348TN have a jitter attenuator?

Yes, it features a 32-Bit or 128-Bit crystal-less jitter attenuator.

What encoding/decoding schemes does the DS21348TN support?

It supports AMI, HDB3, and B8ZS encoding/decoding.

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