T1/E1/J1 Single-Chip Transceiver

GENERAL DESCRIPTION The DS2155 is a software-selectable T1, E1, or J1 single-chip transceiver (SCT) for short-haul and long-haul applications. The DS2155 is composed of a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled by an 8-bit parallel por

文件：1.32396 Mbytes 页数：240 Pages

Maxim

美信

T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface

GENERAL DESCRIPTION The DS2156 is a software-selectable T1, E1, or J1 single-chip transceiver (SCT) for short-haul and long-haul applications. The backplane is userconfigurable for a TDM or UTOPIA II bus interface. The DS2156 is composed of a line interface unit (LIU), framer, HDLC controllers, a

文件：1.51533 Mbytes 页数：262 Pages

Dallas

T1/E1/J1 Single-Chip Transceiver

文件：2.00191 Mbytes 页数：238 Pages

Maxim

美信

T1/E1/J1 Single-Chip Transceiver

文件：2.00097 Mbytes 页数：238 Pages

Dallas

T1/E1/J1单芯片收发器

DS2155可以通过软件配置为T1、E1或J1工作方式单片收发器(SCT)，适合短程和长程应用。DS2155由线路接口单元(LIU)、成帧器、HDLC控制器以及TDM背板接口组成，并可通过一个可配置为Intel或Motorola总线模式的8位并行端口进行控制。DS2155引脚和软件均兼容于DS2156。\n LIU由发送接口、接收接口和抖动抑制器组成。发送接口根据所使用的传输介质类型产生符合规定的波形，并以适当的源阻抗驱动网络。T1波形发生电路包括-7.5dB、-15dB和-22.5dB的DSX-1和CSU线路补偿。E1波形发生电路为75Ω同轴线或120Ω双绞线电缆提供G.703波形成形。接收 \n• 完整的T1/DS1/ISDN-PRI/J1收发器功能 \n• 完整的E1 (CEPT) PCM-30/ISDN-PRI收发器功能 \n• 长程和短程线路接口用于时钟/数据恢复与波形成形 \n• CMI编码/解码用于光I/F \n• 无晶振抖动抑制器 \n• 完全独立的发送与接收功能 \n• 双HDLC控制器 \n• 可编程BERT发生器与检测器 \n• 软件可选的内部接收和发送端接电阻，适用于75Ω/100Ω/120Ω T1与E1接口 \n• 两个双帧弹性缓存滑动缓冲器，允许连接至速率高达16.384MHz的异步背板 \n• 由恢复后的网络时钟合成的16.384MHz、8.192MHz;

ADI

亚德诺

T1 Single-Chip Transceivers

DESCRIPTION The DS21352/552 T1 single-chip transceiver contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can gene

文件：1.09992 Mbytes 页数：137 Pages

Maxim

美信

T1/E1/J1 Single-Chip Transceiver

GENERAL DESCRIPTION The DS2155 is a software-selectable T1, E1, or J1 single-chip transceiver (SCT) for short-haul and long-haul applications. The DS2155 is composed of a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled by an 8-bit parallel por

文件：1.32396 Mbytes 页数：240 Pages

Maxim

美信

T1 Single-Chip Transceivers

DESCRIPTION The DS21352/552 T1 single-chip transceiver contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can gene

文件：1.09992 Mbytes 页数：137 Pages

Maxim

美信

3.3V DS21352 and 5V DS21552 T1 Single-Chip Transceivers

DESCRIPTION The DS21352/552 T1 single-chip transceiver contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can gene

文件：1.0943 Mbytes 页数：137 Pages

Dallas

3.3V DS21352 and 5V DS21552 T1 Single-Chip Transceivers

DESCRIPTION The DS21352/552 T1 single-chip transceiver contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can gene

文件：1.0943 Mbytes 页数：137 Pages

Dallas