DS21552LN+ The DS21552LN+ is a single-chip T1/J1/E1 transceiver from Analog Devices / Maxim Integrated. It operates from 4.75V to 5.25V and is housed in a 100-LQFP package.
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DS21552LN+

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Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS21552LN+ is a single-chip T1/J1/E1 transceiver from Analog Devices / Maxim Integrated. It operates from 4.75V to 5.25V and is housed in a 100-LQFP package.
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DS21552LN+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Interface
Lead Spacing
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DS21552LN+ Description

Short technical summary and product information.

The DS21552LN+ is a versatile single-chip transceiver designed for T1, J1, and E1 line interfaces. It integrates complete DS1/ISDN-PRI/J1 transceiver functionality, supporting both long and short haul LIU applications. The device features a crystal-less jitter attenuator and can generate DSX-1 and CSU line build-outs.

 

Key electrical specifications include a supply voltage range of 4.75V to 5.25V and a typical supply current of 75mA. It offers a fully independent transmit and receive functionality and includes an HDLC controller with 64-byte buffers. The interface supports E1, HDLC, J1, and T1 protocols.

 

This transceiver is packaged in a 100-pin LQFP (14 mm x 14 mm) and is designed for surface mount applications. The operating temperature range is -40°C to 85°C, making it suitable for various environmental conditions. It also features IEEE 1149.1 JTAG-Boundary Scan for testing purposes.

DS21552LN+ Quick Information

Product Type: Telecom Transceiver
Canonical Name: DS21552LN+ Single-Chip Transceiver
Subcategory: Telecom

DS21552LN+ Compliance

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

DS21552LN+ Features

  • Complete DS1/ISDN-PRI/J1 transceiver functionality.
  • Crystal-less jitter attenuator included.
  • Generates DSX-1 and CSU line build-outs.
  • HDLC controller with 64-byte buffers.
  • IEEE 1149.1 JTAG-Boundary Scan support.

DS21552LN+ Applications

  • Ideal for T1/J1/E1 line interfaces.
  • Suitable for long and short haul LIU.
  • Supports fractional T1 applications.
  • Used in telecom infrastructure.
  • Enables flexible data stream control.

DS21552LN+ FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the DS21552LN+?

The operating voltage for the DS21552LN+ is between 4.75V and 5.25V.

What is the operating temperature range of the DS21552LN+?

The DS21552LN+ operates in a temperature range of -40°C to 85°C.

What package type is the DS21552LN+ supplied in?

The DS21552LN+ is supplied in a 100-LQFP package.

What interface protocols does the DS21552LN+ support?

The DS21552LN+ supports E1, HDLC, J1, and T1 interface protocols.

Does the DS21552LN+ have JTAG boundary scan?

Yes, the DS21552LN+ features IEEE 1149.1 JTAG-Boundary Scan.

DS21552LN+ Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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DS21552LN
DS21552LN
Analog Devices / Maxim Integrated
The DS21552LN is a telecom interface integrated circuit in a 100LQFP package.
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