DS21Q50LN

更新时间： 2024-10-27 22:10:15

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
87页	759K
描述
Quad E1 Transceiver

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DS21Q50LN 数据手册

DS21Q50

Quad E1 Transceiver

www.maxim-ic.com

GENERAL DESCRIPTION

FEATURES

The DS21Q50 E1 quad transceiver contains all the

necessary functions for connecting to four E1 lines.

The on-board clock/data recovery circuitry coverts

the AMI/HDB3 E1 waveforms to an NRZ serial

stream. The DS21Q50 automatically adjusts to E1

22AWG (0.6mm) twisted-pair cables from 0km to

over 2km in length. The device can generate the

necessary G.703 waveshapes for both 75ꢀ coax and

120ꢀ twisted-pair cables. The on-board jitter

attenuators (selectable to either 32 bits or 128 bits)

can be placed in either the transmit or receive data

paths. The framers locate the frame and multiframe

boundaries and monitor the data streams for alarms.

The device contains a set of internal registers, from

which the user can access and control the operation

of the unit by the parallel control port or serial port.

The device fully meets all the latest E1 specifications

including ITU-T G.703, G.704, G.706, G.823, G.732,

and I.431 ETS 300 011, ETS 300 233, and ETS 300

166 as well as CTR12 and CTR4.

CꢀFour Complete E1 (CEPT) PCM-30/ISDN-PRI

Transceivers

Cꢀ Long-Haul and Short-Haul Line Interfaces

Cꢀ 32-Bit or 128-Bit Crystal-Less Jitter Attenuator

Cꢀ Frames to FAS, CAS, CCS, and CRC4 Formats

Cꢀ 4MHz/8MHz/16MHz Clock Synthesizer

Cꢀ Flexible System Clock with Automatic Source

Switching on Loss-of-Clock Source

Cꢀ Two-Frame Elastic-Store Slip Buffer on the

Receive Side

Cꢀ Interleaving PCM Bus Operation Up to

16.384MHz

Cꢀ Configurable Parallel and Serial Port Operation

Cꢀ Detects and Generates Remote and AIS Alarms

Cꢀ Fully Independent Transmit and Receive

Functionality

Cꢀ Four Separate Loopback Functions

Cꢀ PRBS Generation/Detection/Error Counting

Cꢀ 3.3V Low-Power CMOS

Cꢀ Large Counters for Bipolar and Code Violations,

CRC4 Codeword Errors, FAS Word Errors, and

E Bits

Cꢀ Eight Additional User-Configurable Output Pins

Cꢀ100-Pin, 14mm x 14mmLQFP Package

APPLICATIONS

DSLAMs

Routers

IMA and WAN Equipment

PIN CONFIGURATION

ORDERING INFORMATION

TOP VIEW

PIN-PACKAGE

PART

TEMP RANGE

0°C to +70°C

-40°C to +85°C

100 LQFP (14mm)

DS21Q50L

DS21Q50LN

DS21Q50

100

LQFP

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.

1 of 87

REV: 013004

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与DS21Q50LN相关器件

型号	品牌	获取价格	描述	数据表
DS21Q50LN+	MAXIM	获取价格	PCM Transceiver, 1-Func, CEPT PCM-30/E-1, CMOS, PQFP100, 14 X 14 MM, LQFP-100
DS21Q50N	ETC	获取价格	Telecommunication IC
DS21Q55	ETC	获取价格	Quad T1/E1/J1 Transceiver
DS21Q552	DALLAS	获取价格	Quad T1/E1 Transceiver 5V
DS21Q554	DALLAS	获取价格	Quad T1/E1 Transceiver 5V
DS21Q554	ROCHESTER	获取价格	DATACOM, PCM TRANSCEIVER, PBGA256, 27 X 27 MM, MCMBGA-256
DS21Q55DK	ETC	获取价格	Quad T1/E1/J1 Transceiver Design Kit Daughter Card
DS21Q55N	ETC	获取价格	Quad T1/E1/J1 Transceiver
DS21Q58	DALLAS	获取价格	E1 Quad Transceiver
DS21Q58	MAXIM	获取价格	Dallas Semiconductor

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