DS2155L+

Description：IC TELECOM INTERFACE 100LQFP
Series：-

SKU:3ab1ca1b0ac5 Category: Telecom Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

DS2155L+ is listed in the Telecom range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC TELECOM INTERFACE 100LQFP. Review the specifications below when checking this part for your BOM.

Telecom specifications for DS2155L+

Description：IC TELECOM INTERFACE 100LQFP
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube
Function：Single-Chip Transceiver
Interface：E1, HDLC, J1, T1
Number of Circuits：1
Voltage - Supply：3.14V ~ 3.47V
Current - Supply：75mA
Operating Temperature：0°C ~ 70°C
Mounting Type：Surface Mount
Package / Case：100-LQFP
Supplier Device Package：100-LQFP (14x14)
Power (Watts)：-
Grade：-
Qualification：-

Telecom datasheet and documents for DS2155L+

DS2155L+

Telecom Overview

The DS2155L+ is a software-selectable T1, E1, or J1 single-chip transceiver (SCT) manufactured by Analog Devices Inc./Maxim Integrated. It integrates a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface controlled via an 8-bit parallel port. The device operates within a supply voltage range of 4.75V to 5.25V and supports data rates up to 64 kb/s per channel. It is housed in a 100-LQFP package with dimensions of 14x14 mm and functions reliably across an operating temperature range of 0°C to +70°C.

Telecom Feature Summary

Supports complete T1/DS1/ISDN-PRI/J1 and E1 (CEPT) PCM-30/ISDN-PRI transceiver functionalities.
Includes dual HDLC controllers and a programmable BERT generator/detector for signal integrity testing.
Features internal software-selectable termination resistors for 75Ω, 100Ω, and 120Ω interfaces.

Telecom Applications

T1/E1/J1 Line Cards
Switches and Routers
Add-Drop Multiplexers

Telecom Procurement Notes

Verify the component status as discontinued through official manufacturer channels before procurement planning. Confirm that the specific ordering suffix corresponds to the required lead-free/RoHS-compliant package variant. Ensure compatibility with existing system designs given the end-of-life designation.

Telecom Selection Notes

Select this model for applications requiring pin and software compatibility with the DS2156. Verify that the 0°C to +70°C commercial temperature range meets environmental requirements. Consider the 100-LQFP package constraints during PCB layout design to ensure proper thermal management and signal integrity.

Telecom Part Context

The DS2155L+ belongs to the DS2155 family of single-chip transceivers designed for short-haul and long-haul telecommunications applications. It serves as a comprehensive solution for network interface units, combining physical layer transmission capabilities with digital framing and control logic in a single integrated circuit.