DS2154

更新时间： 2024-10-28 22:50:47

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
87页	1103K
描述
Enhanced E1 Single Chip Transceiver

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DS2154 数据手册

DS2154

Enhanced E1 Single Chip Transceiver

www.dalsemi.com

FEATURES

PACKAGE OUTLINE

ꢀ

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

transceiver functionality

ꢀ

Onboard long- and short-haul line interface for

clock/data recovery and waveshaping

32-bit or 128-bit crystal-less jitter attenuator

Generates line build outs for both 120Ω=and

75Ω=lines

ꢀ

Frames to FAS, CAS, and CRC4 formats

Dual onboard two-frame elastic store slip buffers

that can connect to asynchronous backplanes up to

8.192 MHz

ꢀ

8-bit parallel control port that can be used directly

on either multiplexed or non-multiplexed buses

Extracts and inserts CAS signaling

Detects and generates Remote and AIS alarms

Programmable output clocks for Fractional E1,

H0, and H12 applications

ꢀ

Fully independent transmit and receive

functionality

Full access to both Si and Sa bits aligned with

CRC multiframe

Four separate loopbacks for testing functions

Large counters for bipolar and code violations,

CRC4 codeword errors, FAS errors, and E bits

Pin compatible with DS2152 T1 Enhanced Single-

Chip Transceiver

ORDERING INFORMATION

DS2154L

DS2154LN

(0°C to 70°C)

(-40°C to +85°C)

ꢀ

5V supply; low power CMOS

100-pin 14mm²body LQFP package

DESCRIPTION

The DS2154 Enhanced Single-Chip Transceiver (ESCT) contains all of the necessary functions for

connection to E1 lines. The device is an upward compatible version of the DS2153 Single-Chip

Transceiver. The onboard clock/data recovery circuitry coverts the AMI/HDB3 E1 waveforms to a NRZ

serial stream. The DS2154 automatically adjusts to E1 22AWG (0.6 mm) twisted-pair cables from 0 to

over 2 km in length. The device can generate the necessary G.703 waveshapes for both 75-ohm coax and

120-ohm twisted cables. The onboard jitter attenuator (selectable to either 32 bits or 128 bits) can be

placed in either the transmit or receive data paths. The framer locates the frame and multiframe

boundaries and monitors the data stream for alarms. It is also used for extracting and inserting signaling

data, Si, and Sa bit information. The device contains a set of internal registers which the user can access

to control the operation of the unit. Quick access via the parallel control port allows a single controller to

handle many E1 lines. The device fully meets all of the latest E1 specifications including ITU G.703,

G.704, G.706, G.823, G.932, and I.431 as well as ETS 300 011, 300 233, 300 166, TBR 12 and TBR 13.

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与DS2154相关器件

型号	品牌	获取价格	描述	数据表
DS2154L	DALLAS	获取价格	Enhanced E1 Single Chip Transceiver
DS2154LA2	ROCHESTER	获取价格	DATACOM, FRAMER, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, LQFP-100
DS2154LA2+	ROCHESTER	获取价格	DATACOM, FRAMER, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-100
DS2154LD1	MAXIM	获取价格	Framer, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, LQFP-100
DS2154LD1	ROCHESTER	获取价格	DATACOM, FRAMER, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, LQFP-100
DS2154LD2	ROCHESTER	获取价格	DATACOM, FRAMER, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, LQFP-100
DS2154LD2	MAXIM	获取价格	Framer, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, LQFP-100
DS2154LN	DALLAS	获取价格	Enhanced E1 Single Chip Transceiver
DS2154LN	ROCHESTER	获取价格	DATACOM, FRAMER, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, LQFP-100
DS2154LNA2	MAXIM	获取价格	Framer, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, LQFP-100

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