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DS21Q48 数据表 (PDF) - Dallas Semiconductor

DS21Q48 Datasheet PDF - Dallas Semiconductor
部件名 DS21Q48
下载  DS21Q48 下载

文件大小   544.74 Kbytes
  75 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 5V E1/T1/J1 Line Interface

DS21Q48 Datasheet (PDF)

Go To PDF Page 下载 数据表
DS21Q48 Datasheet PDF - Dallas Semiconductor

部件名 DS21Q48
下载  DS21Q48 Click to download

文件大小   544.74 Kbytes
  75 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 5V E1/T1/J1 Line Interface

DS21Q48 数据表 (HTML) - Dallas Semiconductor

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DS21Q48 产品详情

DESCRIPTION
The DS2148 is a complete selectable E1 or T1 Line Interface Unit (LIU) for short- and long-haul applications. Throughout the data sheet, J1 is represented wherever T1 exists. Receive sensitivity adjusts automatically to the incoming signal and can be programmed for 0dB to 12dB or 0dB to 43dB for E1 applications and 0dB to 30dB or 0dB to 36dB for T1 applications. The device can generate the necessary G.703 E1 waveshapes in 75Ω or 120Ω applications and DSX-1 line build outs or CSU line build outs of 0dB, -7.5dB, -15dB, and -22.5dB for T1 applications.

FEATURES
■ Complete E1, T1, or J1 line interface unit (LIU)
■ Supports both long- and short-haul trunks
■ Internal software-selectable receive-side termination for 75Ω/100Ω/120Ω
■ 5V power supply
■ 32-bit or 128-bit crystal-less jitter attenuator requires only a 2.048MHz master clock for both E1 and T1 with option to use 1.544MHz for T1
■ Generates the appropriate line build outs, with and without return loss, for E1 and DSX-1 and CSU line build outs for T1
■ AMI, HDB3, and B8ZS, encoding/decoding
■ 16.384MHz, 8.192MHz, 4.096MHz, or 2.048MHz clock output synthesized to recovered clock
■ Programmable monitor mode for receiver
■ Loopbacks and PRBS pattern generation/ detection with output for received errors
■ Generates/detects in-band loop codes, 1 to 16 bits including CSU loop codes
■ 8-bit parallel or serial interface with optional hardware mode
■ Multiplexed and nonmultiplexed parallel bus supports Intel or Motorola
■ Detects/generates blue (AIS) alarms
■ NRZ/bipolar interface for TX/RX data I/O
■ Transmit open-circuit detection
■ Receive Carrier Loss (RCL) indication (G.775)
■ High-Z State for TTIP and TRING
■ 50mA (rms) current limiter




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关于 Dallas Semiconductor


达拉斯半导体是一家美国公司,成立于1984年,是混合信号和数字半导体的供应商。
该公司总部位于德克萨斯州达拉斯,并以其创新产品和技术在实时时钟,温度传感器和其他集成电路领域而闻名。
2002年,达拉斯半导体被跨国半导体公司Maxim Integrated收购,并成为Maxim的子公司。
达拉斯半导体品牌不再使用,但其产品和技术仍然是Maxim投资组合的一部分。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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