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参数资料
型号： DS21Q48
厂商： Maxim Integrated Products
文件页数： 23/73页
文件大小： 0K
描述： IC LIU E1/T1/J1 QUAD 5V 144-BGA
标准包装： 90
类型： 线路接口装置（LIU）
规程： E1
电源电压： 4.75 V ~ 5.25 V
安装类型： 表面贴装
封装/外壳： 144-BBGA
供应商设备封装： 144-PBGA（17x17）
包装： 管件
DS2148/DS21Q48
3 of 73
LIST OF FIGURES
Figure 1-1. DS2148 Block Diagram............................................................................................................7
Figure 1-2. Receive Logic...........................................................................................................................8
Figure 1-3. Transmit Logic..........................................................................................................................9
Figure 2-1. Parallel Port Mode Pinout (BIS1 = 0, BIS0 = 1 or 0) (TQFP Package) ..................................21
Figure 2-2. Serial Port Mode Pinout (BIS1 = 1, BIS0 = 0) (TQFP Package) ............................................21
Figure 2-3. Hardware Mode Pinout (BIS1 = 1, BIS0 = 1) (TQFP Package) .............................................22
Figure 3-1. Serial Port Operation for Read Access (R = 1) Mode 1 .........................................................25
Figure 3-2. Serial Port Operation for Read Access Mode 2 .....................................................................25
Figure 3-3. Serial Port Operation for Read Access Mode 3 .....................................................................26
Figure 3-4. Serial Port Operation for Read Access Mode 4 .....................................................................26
Figure 3-5. Serial Port Operation for Write Access (R = 0) Modes 1 and 2..............................................27
Figure 3-6. Serial Port Operation for Write Access (R = 0) Modes 3 and 4..............................................27
Figure 7-1. Basic Interface .......................................................................................................................49
Figure 7-2. Protected Interface Using Internal Receive Termination........................................................50
Figure 7-3. Protected Interface Using External Receive Termination.......................................................51
Figure 7-4. E1 Transmit Pulse Template..................................................................................................52
Figure 7-5. T1 Transmit Pulse Template ..................................................................................................53
Figure 7-6. Jitter Tolerance ......................................................................................................................54
Figure 7-7. Jitter Attenuation ....................................................................................................................54
Figure 8-1. 144-Pin CSBGA (17mm x 17mm) Pinout ...............................................................................58
Figure 10-1. Intel Bus Read Timing (PBTS = 0, BIS1 = 0, BIS0 = 0) .......................................................62
Figure 10-2. Intel Bus Write Timing (PBTS = 0, BIS1 = 0, BIS0 = 0) .......................................................62
Figure 10-3. Motorola Bus Timing (PBTS = 1, BIS1 = 0, BIS0 = 0)..........................................................63
Figure 10-4. Intel Bus Read Timing (PBTS = 0, BIS1 = 0, BIS0 = 1) .......................................................65
Figure 10-5. Intel Bus Write Timing (PBTS = 0, BIS1 = 0, BIS0 = 1) .......................................................65
Figure 10-6. Motorola Bus Read Timing (PBTS = 1, BIS1 = 0, BIS0 = 1) ................................................66
Figure 10-7. Motorola Bus Write Timing (PBTS = 1, BIS1 = 0, BIS0 = 1) ................................................66
Figure 10-8. Serial Bus Timing (BIS1 = 1, BIS0 = 0) ................................................................................67
Figure 10-9. Receive Side Timing ............................................................................................................68
Figure 10-10. Transmit Side Timing .........................................................................................................69
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DS21Q48A3N 功能描述:网络控制器与处理器 IC 5V Quad E1/T1/J1 Line 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
DS21Q48B 功能描述:网络控制器与处理器 IC 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
DS21Q48C 功能描述:网络控制器与处理器 IC 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
DS21Q48N 功能描述:网络控制器与处理器 IC 5V Quad E1/T1/J1 Line 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
DS21Q48NB 功能描述:网络控制器与处理器 IC 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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