DS26303LN-75

更新时间： 2024-11-23 04:15:11

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
101页	1014K
描述
3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit

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DS26303LN-75 数据手册

DS26303

3.3V, E1/T1/J1, Short-Haul,

Octal Line Interface Unit

www.maxim-ic.com

GENERAL DESCRIPTION

FEATURES

ꢀ

8 Complete E1, T1, or J1 Short-Haul Line

Interface Units

The DS26303 is an 8-channel short-haul line

interface unit (LIU) that supports E1/T1/J1 from a

single 3.3V power supply. A wide variety of

applications are supported through internal

termination or external termination. A single bill of

material can support E1/T1/J1 with minimum external

components. Redundancy is supported through

nonintrusive monitoring, optimal high-impedance

modes, and configurable 1:1 or 1+1 backup

enhancements. An on-chip synthesizer generates the

E1/T1/J1 clock rates by a single master clock input of

various frequencies. Two clock output references are

also offered.

ꢀ

Independent E1, T1, or J1 Selections

Internal Software-Selectable Transmit and

Receive-Side Termination

ꢀ

Crystal-Less Jitter Attenuator

Selectable Single-Rail and Dual-Rail Mode

and AMI or HDB3/B8ZS Line Encoding and

Decoding

ꢀ

Detection and Generation of AIS

Digital/Analog Loss-of-Signal Detection as

per T1.231, G.775, and ETS 300 233

ꢀ

External Master Clock can be Multiple of

2.048MHz or 1.544MHz for T1/J1 or E1

Operation; This Clock will be Internally

Adapted for T1 or E1 Use

APPLICATIONS

T1 Digital Cross-Connects

ATM and Frame Relay Equipment

Wireless Base Stations

ISDN Primary Rate Interface

E1/T1/J1 Multiplexer and Channel Banks

E1/T1/J1 LAN/WAN Routers

ꢀ

Built-In BERT Tester for Diagnostics

8-Bit Parallel Interface Support for Intel or

Motorola Mode or a 4-Wire Serial Interface

ꢀ

Hardware Mode Interface Support

Transmit Short-Circuit Protection

G.772 Nonintrusive Monitoring

FUNCTIONAL DIAGRAM

Software Control,

Hardware Control

Jtag

MODESEL

Specification Compliance to the Latest T1

and E1 Standards—ANSI T1.102, AT&T Pub

62411, T1.231, T1.403, ITU-T G.703, G.742,

G.775, G.823, ETS 300 166, and ETS 300 233

and JTAG

RLOS

RTIP

RPOS

RNEG

RCLK

ꢀ

Single 3.3V Supply with 5V Tolerant I/O

JTAG Boundary Scan as per IEEE 1149.1

144-Pin eLQFP Package

Receiver

RRING

TPOS

TNEG

TCLK

TTTIP

Transmitter

TRING

ORDERING INFORMATION

TEMP RANGE

PIN-PACKAGE

PART

DS26303L-XXX

0°C to +70°C

144 eLQFP

DS26303L-XXX+

DS26303LN-XXX

DS26303LN-XXX+

0°C to +70°C

-40°C to +85°C

144 eLQFP

DS26303

Note: When XXX is 075, the part defaults to 75Ω impedance in E1

mode; when XXX is 120, the part defaults to 120Ω impedance.

+ Denotes a lead-free/RoHS-compliant package.

e = Exposed Pad.

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 101

REV: 053107

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与DS26303LN-75相关器件

型号	品牌	获取价格	描述	数据表
DS26303LN-75+	DALLAS	获取价格	3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303LN-XXX	DALLAS	获取价格	3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303LN-XXX	MAXIM	获取价格	3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303LN-XXX+	DALLAS	获取价格	3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303LN-XXX+	MAXIM	获取价格	3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303L-XXX	DALLAS	获取价格	3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303L-XXX	MAXIM	获取价格	3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303L-XXX+	DALLAS	获取价格	3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303L-XXX+	MAXIM	获取价格	3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26324	DALLAS	获取价格	3.3V, 16-Channel, E1/T1/J1 Short-Haul Line Interface Unit

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