| 型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
|---|---|---|---|---|
DS21455 | Quad T1/E1/J1 Transceivers GENERAL DESCRIPTION The DS21455 and DS21458 are quad monolithic devices featuring independent transceivers that can be software configured for T1, E1, or J1 operation. Each is composed of a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled via a 文件:1.65296 Mbytes 页数:270 Pages | Dallas | Dallas | |
DS21455 | 四路T1/E1/J1收发器 DS21455和DS21458在单芯片内集成了四路独立的收发器,可以用软件配置为T1、E1或J1工作方式。每个收发器都由线路接口单元(LIU)、成帧器、HDLC控制器以及TDM背板接口组成,通过8位并行端口实现控制,该并行接口可以配置为Intel或Motorola总线方式。DS21455*可以直接替代过去的DS21Q55四路MCM。DS21458采用了更小的封装(17mm CSBGA),并对控制器接口进行了改善,与过去的DS21Q55软件兼容。\n *DS21455/DS21458上的JTAG功能是指所有四个收发器共用一个控制器,而DS21Q55则不同,它采用的是每个收发器一个JTAG控制器的 四路独立的收发器,每路都具有以下功能:\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• 为时钟/数据恢复与整形提供远程与短程线路接口 \n• CMI编码器/解码器 \n• 无晶振抖动抑制器 \n• 完全独立的发送和接收功能 \n• 双HDLC控制器 \n• 片上可编程的BERT发生器与检测器 \n• 75Ω/100Ω/120Ω T1和E1接口的发送端与接收端匹配电阻可以通过内部软件选择 \n• 两个双帧弹性缓存,可以与16.384MHz以下的异步背板连接 \n• 16.384MHz、8.192M; | ADI 亚德诺 | ADI | |
DS21455 | Package:256-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 256BGA | AD 亚德诺 | AD | |
Quad T1/E1/J1 Transceivers GENERAL DESCRIPTION The DS21455 and DS21458 are quad monolithic devices featuring independent transceivers that can be software configured for T1, E1, or J1 operation. Each is composed of a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled via a 文件:1.65296 Mbytes 页数:270 Pages | Dallas | Dallas | ||
Quad T1/E1/J1 Transceivers The DS21455 and DS21458 are quad monolithic devices featuring independent transceivers that can be software configured for Tl, El, or Jl operation.Each is composed of a line interface unit(LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled via an 8-bit parallel port con • Complete T1 (DS1)/ISDN-PRI/J1 Transceiver Functionality\r\n• Complete E1 (CEPT) PCM-30/ISDN-PRI Transceiver Functionality\r\n• Short- and Long-Haul Line Interface for Clock/Data Recovery and Waveshaping\r\n• CMI Coder/Decoder\r\n• Crystal-Less Jitter Attenuator\r\n• Fully Independent Transmit and ; | ADI 亚德诺 | ADI | ||
Package:256-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 256BGA | AD 亚德诺 | AD | ||
Package:256-BGA;包装:卷带(TR) 功能:线路接口单元(LIU) 类别:集成电路(IC) 电信 描述:IC TELECOM INTERFACE 256BGA | AD 亚德诺 | AD |
产品属性
- 产品编号:
DS21455
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
集成电路(IC) > 电信
- 包装:
管件
- 功能:
线路接口单元(LIU)
- 接口:
LIU
- 电压 - 供电:
3.135V ~ 3.465V
- 工作温度:
0°C ~ 70°C
- 安装类型:
表面贴装型
- 封装/外壳:
256-BGA
- 供应商器件封装:
256-BGA(27x27)
- 描述:
IC TELECOM INTERFACE 256BGA
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
Maxim(美信) |
24+ |
标准封装 |
8049 |
原厂渠道供应,大量现货,原型号开票。 |
询价 | ||
DALLS |
25+ |
BGA |
12496 |
DALLS原装正品DS21455即刻询购立享优惠#长期有货 |
询价 | ||
DALLAS |
24+ |
BGA256 |
5125 |
全新原装现货,欢迎询购!! |
询价 | ||
DALLAS |
23+ |
QFP |
98900 |
原厂原装正品现货!! |
询价 | ||
DALLAS |
2023+ |
BGA256 |
53500 |
正品,原装现货 |
询价 | ||
DALLAS |
25+ |
DIP20 |
18000 |
原厂直接发货进口原装 |
询价 | ||
DALLAS |
2015+ |
SOP/DIP |
19889 |
一级代理原装现货,特价热卖! |
询价 | ||
DALLAS |
25+ |
BGA |
3386 |
品牌专业分销商,可以零售 |
询价 | ||
MAXIM |
13+ |
BGA |
3758 |
原装分销 |
询价 | ||
DALLAS |
23+ |
DIP16 |
5000 |
原装正品,假一罚十 |
询价 |
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