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参数资料
型号： DS21448G+
厂商： Maxim Integrated Products
文件页数： 23/60页
文件大小： 0K
描述： IC LIU E1/T1/J1 QUAD 144-PBGA
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 90
类型： 线路接口装置（LIU）
驱动器/接收器数： 4/4
规程： T1/E1/J1
电源电压： 3.135 V ~ 3.465 V
安装类型： 表面贴装
封装/外壳： 144-BGA
供应商设备封装： 144-TEPBGA（17x17）
包装： 管件
其它名称： 90-21448+G00
DS21448 3.3V T1/E1/J1 Quad Line Interface
3 of 60
LIST OF FIGURES
Figure 1-1. Block Diagram..........................................................................................................................5
Figure 1-2. Receive Logic Detail ................................................................................................................6
Figure 1-3. Transmit Logic Detail ...............................................................................................................6
Figure 4-1. Serial Port Operation for Read Access (R = 1) Mode 1 .........................................................16
Figure 4-2. Serial Port Operation for Read Access (R = 1) Mode 2 .........................................................16
Figure 4-3. Serial Port Operation for Read Access (R = 1) Mode 3 .........................................................16
Figure 4-4. Serial Port Operation for Read Access (R = 1) Mode 4 .........................................................17
Figure 4-5. Serial Port Operation for Write Access (R = 0) Modes 1 and 2..............................................17
Figure 4-6. Serial Port Operation for Write Access (R = 0) Modes 3 and 4..............................................17
Figure 7-1. Basic Interface .......................................................................................................................36
Figure 7-2. Protected Interface Using Internal Receive Termination........................................................37
Figure 7-3. Protected Interface Using External Receive Termination.......................................................38
Figure 7-4. Dual Connector-Protected Interface Using Receive Termination...........................................39
Figure 7-5. E1 Transmit Pulse Template..................................................................................................40
Figure 7-6. T1 Transmit Pulse Template ..................................................................................................41
Figure 7-7. Jitter Tolerance ......................................................................................................................42
Figure 7-8. Jitter Attenuation ....................................................................................................................42
Figure 8-1. JTAG Block Diagram..............................................................................................................43
Figure 8-2. TAP Controller State Diagram................................................................................................44
Figure 10-1. Intel Bus Read Timing (PBTS = 0, BIS0 = 0) .......................................................................49
Figure 10-2. Intel Bus Write Timing (PBTS = 0, BIS0 = 0) .......................................................................50
Figure 10-3. Motorola Bus Timing (PBTS = 1, BIS0 = 0)..........................................................................50
Figure 10-4. Intel Bus Read Timing (PBTS = 0, BIS0 = 1) .......................................................................51
Figure 10-5. Intel Bus Write Timing (PBTS = 0, BIS0 = 1) .......................................................................52
Figure 10-6. Motorola Bus Read Timing (PBTS = 1, BIS0 = 1) ................................................................52
Figure 10-7. Motorola Bus Write Timing (PBTS = 1, BIS0 = 1) ................................................................52
Figure 10-8. Serial Bus Timing (BIS1 = 1, BIS0 = 0)................................................................................53
Figure 10-9. Receive-Side Timing ............................................................................................................54
Figure 10-10. Transmit-Side Timing .........................................................................................................55
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相关代理商/技术参数
参数描述
DS21448G+ 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448GN+ 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448L 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448L+ 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448L+W 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
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