Datasheet > CS61305A

CS61305A

更新时间： 2024-10-29 22:28:47

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
44页	630K
描述
T1/E1 LINE INTERFACE

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CS61305A 数据手册

CS61305A

T1/E1 Line Interface

Features

General Description

The CS61305A combines the complete analog transmit

and receive line interface for T1 or E1 applications in a

low power, 28-pin device operating from a +5V supply.

The CS61305A is a pin-compatible replacement for the

LXT305A in most applications.

Provides Analog Transmission Line

•

Interface for T1 and E1 Applications

Provides Line Driver, Jitter Attenuator

and Clock Recovery Functions

•

The CS61305A provides a transmitter jitter attenuator

making it ideal for use in asynchronous multiplexor

systems with gapped transmit clocks. The transmitter

features internal pulse shaping and a low impedance

output stage allowing the use of external resistors for

transmitter impedance matching. The receiver uses a

digital Delay-Locked-Loop clock and data recovery cir-

cuit which is continuously calibrated from a crystal

reference to provide excellent stability and jitter toler-

ance.

Transmit Side Jitter Attenuation

Starting at 3 Hz, with > 300 UI of Jitter

Tolerance

•

B8ZS/HDB3/AMI Encoders/Decoders

•

Compatible with SONET, M13 , CCITT

G.742, and Other Asynchronous Muxes

Applications

• ^{Interfacing network transmission equipment such as}

SONET multiplexor and M13 to a DSX-1 cross con-

nect.

50 mA Transmitter Short-Circuit

Current Limiting

•

• ^{Interfacing customer premises equipment to a CSU.}

ORDERING INFORMATION

CS61305A-IP1

CS61305A-IL1

28 Pin Plastic DIP

28 Pin Plastic PLCC

[ ] = Pin Function in Extended Hardware Mode

( ) = Pin Function in Host Mode

(CLKE) (INT) (SDI) (SDO)

XTALIN XTALOUT MODE TAOS LEN0 LEN1 LEN2

TGND TV+

TTIP

TCLK

JITTER

ATTENUATOR

PULSE

SHAPER

CONTROL

TRING

TPOS

[TDATA]

TNEG

[TCODE]

RCLK

LINE DRIVER

AMI,

B8ZS,

HDB3

LINE RECEIVER

RTIP

CLOCK &

DATA

CODER

RECOVERY

RRING

RPOS

[RDATA]

RNEG

LOOP

BACK

MTIP

[RCODE]

MRING

[PCS]

DPM

SIGNAL

QUALITY

MONITOR

[BPV]

DRIVER

MONITOR

[AIS]

ACLKI LOS

RV+ RGND

LLOOP RLOOP

(SCLK) (CS)

This document contains information for a new product. Crystal

Semiconductor reserves the right to modify this product without notice.

Preliminary Product Information

Crystal Semiconductor Corporation

P. O. Box 17847, Austin, Texas, 78760

(512) 445 7222 FAX:(512) 445 7581

MAY ’96

DS157PP3

12 3 4 5 6 7...44

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