3.3V E1/T1/J1 Quad Line Interface

GENERAL DESCRIPTION The DS21448 is a quad-port E1 or T1 line interface unit (LIU) for short-haul and long-haul applications. It incorporates four independent transmitters and four independent receivers in a single 144-pin PBGA or 128-pin LQFP package. The transmit drivers generate the necessary

文件：1.19136 Mbytes 页数：60 Pages

Dallas

3.3V E1/T1/J1 Quad Line Interface

文件：837.4 Kbytes 页数：60 Pages

Maxim

美信

3.3V、E1/T1/J1四线路接口

DS21448是一款四端口E1或T1线路接口单元(LIU)，适用于短程和远程应用。它将四个独立的发送器与四个独立的接收器整合到一片144引脚PBGA或128引脚LQFP封装内。发送驱动器可在75Ω或120Ω应用中产生满足G.703 E1要求的波形，对于T1应用提供0dB、-7.5dB、-15dB和-22.5dB的DSX-1或CSU线路补偿。 \n• 四个完整的E1、T1或J1 LIU \n• 支持长距离与短距离主干线 \n• 内部软件可选接收侧终端，以用于75Ω/100Ω/120Ω \n• 3.3V电源供电 \n• 32位或128位晶体抖动衰减器，在E1与T1应用中仅需一个2.048MHz MCLK，在T1应用中也可以选择采用1.544MHz MCLK \n• 对于E1，产生有或没有回波损耗的线路补偿，对于T1，产生DSX-1与CSU线路补偿 \n• AMI、HDB3与B8ZS编码/解码 \n• 16.384MHz、8.192MHz、4.096MHz或2.048MHz时钟输出合成自恢复时钟 \n• 接收器可编程监视器模式 \n• ;

ADI

亚德诺

Package：144-BGA；包装：管件 功能：线路接口单元（LIU） 类别：集成电路（IC） 电信 描述：IC TELECOM INTERFACE 144BGA

AD

亚德诺

3.3V E1/T1/J1 Line Interface Design Kit Daughter Card

GENERAL DESCRIPTION The DS21448DK is an easy-to-use evaluation board for the DS21448 quad E1/T1/J1 LIU. It is intended to be used as a daughter card with the DK101 motherboard or the DK2000 motherboard. A surface mounted DS21448 and careful layout of the analog signal traces provide maximum signa

文件：716.32 Kbytes 页数：17 Pages

Dallas

3.3V E1/T1/J1 Quad Line Interface

GENERAL DESCRIPTION The DS21448 is a quad-port E1 or T1 line interface unit (LIU) for short-haul and long-haul applications. It incorporates four independent transmitters and four independent receivers in a single 144-pin PBGA or 128-pin LQFP package. The transmit drivers generate the necessary

文件：1.19136 Mbytes 页数：60 Pages

Dallas

3.3V E1/T1/J1 Quad Line Interface

GENERAL DESCRIPTION The DS21448 is a quad-port E1 or T1 line interface unit (LIU) for short-haul and long-haul applications. It incorporates four independent transmitters and four independent receivers in a single 144-pin PBGA or 128-pin LQFP package. The transmit drivers generate the necessary

文件：1.19136 Mbytes 页数：60 Pages

Dallas

3.3V E1/T1/J1 Quad Line Interface

GENERAL DESCRIPTION The DS21448 is a quad-port E1 or T1 line interface unit (LIU) for short-haul and long-haul applications. It incorporates four independent transmitters and four independent receivers in a single 144-pin PBGA or 128-pin LQFP package. The transmit drivers generate the necessary

文件：1.19136 Mbytes 页数：60 Pages

Dallas

3.3V E1/T1/J1 Quad Line Interface

文件：837.4 Kbytes 页数：60 Pages

Maxim

美信

3.3V E1/T1/J1 Quad Line Interface

文件：837.4 Kbytes 页数：60 Pages

Maxim

美信