DS26522GN+ Maxim Integrated Products, DS26522GN+ Datasheet

DS26522GN+

Manufacturer Part Number

DS26522GN+

Description

IC TXRX T1/E1/J1 DUAL 144CSBGA

Manufacturer

Maxim Integrated Products

Type

Transceiverr

Datasheets

1.DS26522GN.pdf (258 pages)

2.DS26522GN.pdf (258 pages)

3.DS26522GN.pdf (258 pages)

Specifications of DS26522GN+

Number Of Drivers/receivers

2/2

Protocol

RS232

Voltage - Supply

3.14 V ~ 3.47 V

Mounting Type

Surface Mount

Package / Case

144-CSBGA

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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GENERAL DESCRIPTION

The DS26522 is a dual-channel framer and line

interface unit (LIU) combination for T1, E1, and J1

applications.

configurable, supporting both long-haul and short-haul

lines.

APPLICATIONS

Routers

Channel Service Units (CSUs)

Data Service Units (DSUs)

Muxes

Switches

Channel Banks

T1/E1 Test Equipment

TYPICAL OPERATING CIRCUIT

ORDERING INFORMATION

+ Denotes lead-free/RoHS compliant device.

www.maxim-ic.com

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.

DS26522G

DS26522G+

DS26522GN

DS26522GN+

NETWORK

PART

T1/E1/J1

Each

Transceiver

-40°C to +85°C

TEMP RANGE

T1/J1/E1

0°C to +70°C

DS26522

channel

PIN-PACKAGE

144 CSBGA

BACKPLANE

independently

TDM

1 of 258

FEATURES

Features Continued in Section 2.

Dual T1/E1/J1 Transceiver

Complete T1, E1, or J1 Long-Haul/Short-Haul

Transceiver (LIU plus Framer)

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

E1 G.704 and CRC-4 Multiframe

Controlled by 8-Bit Parallel Port Interface or

Serial Peripheral Interface (SPI)

DS26522

REV: 102106

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