SN75ALS057 梯形波接口总线收发器
              
The SN75ALS056 is an eight-channel, monolithic, high-speed, advanced   low-power Schottky (ALS) device designed for two-way data communication in a   densely populated backplane. The SN75ALS057 is a four-channel version with   independent driver-input (Dn) and receiver-output (Rn) pins and a separate   driver disable for each driver (En). 
              These transceivers feature open-collector driver outputs with series Schottky   diodes to reduce capacitive loading to the bus. By using a 2-V pullup   termination on the bus, the output signal swing is approximately 1 V, which   reduces the power necessary to drive the bus load capacitance. The driver   outputs generate trapezoidal waveforms that reduce crosstalk between channels.   The drivers are capable of driving an equivalent dc load as low as 18
              
                
                   | 
                  SN75ALS057 | 
                
                
                  | Drivers Per Package | 
                  4   | 
                
                
                  | Receivers Per Package | 
                  4   | 
                
                
                  | Supply Voltage(s)(V) | 
                  5   | 
                
                
                  | ICC(Max)(mA) | 
                  40   | 
                
                
                  | Operating Temperature Range(C) | 
                  0 to 70   | 
                
                
                  | Pin/Package | 
                  20PDIP, 20SOIC   | 
                
                
                  | Standard | 
                  IEEE 896.1 (BTL)   | 
                
                
                  | Rating | 
                  Catalog | 
                
              
              SN75ALS057 特性
              
                - Suitable for IEEE Standard 896 Applications
                 - SN75ALS056 is an Octal Transceiver   
                
 - SN75ALS057 is a Quad Transceiver   
                
 - High-Speed Advanced Low-Power Schottky (ALS) Circuitry   
                
 - Low Power Dissipation:   
                
 - 52.5 mW/Channel Max   
                
 - High-Impedance pnp Inputs   
                
 - Logic-Level 1-V Bus Swing Reduces Power Consumption   
                
 - Trapezoidal Bus Output Waveform Reduces Noise Coupling to Adjacent Lines   
                
 - Power-Up/Power-Down Protection   
                
 - (Glitch Free)   
                
 - Open-Collector Driver Outputs Allow Wired-OR Connections   
                
 - Designed to Be a Faster, Lower-Power Functional Equivalent of National   DS3896, DS3897
 
              
              SN75ALS057 芯片订购指南
              
                
                  | 器件 | 
                  状态 | 
                  温度 | 
                  价格 | 
                  封装 | 引脚 | 
                  封装数量 | 封装载体 | 
                  丝印标记 | 
                
                
                  | SN75ALS057DW | 
                  ACTIVE | 
                  0 to 70 | 
                  5.05 | 1ku | 
                  SOIC (DW) |   20 | 
                  25 | TUBE | 
                    | 
                
                
                  | SN75ALS057DWE4 | 
                  ACTIVE | 
                  0 to 70 | 
                  5.05 | 1ku | 
                  SOIC (DW) |   20 | 
                  25 | TUBE | 
                    | 
                
                
                  | SN75ALS057DWG4 | 
                  ACTIVE | 
                  0 to 70 | 
                  0.90 | 1ku | 
                  SOIC (DW) |   20 | 
                  40 | TUBE | 
                    | 
                
                
                  | SN75ALS057DWR | 
                  ACTIVE | 
                  0 to 70 | 
                  4.20 | 1ku | 
                  SOIC (DW) |   20 | 
                  2000 | LARGE T&R | 
                    | 
                
                
                  | SN75ALS057DWRE4 | 
                  ACTIVE | 
                  0 to 70 | 
                  4.20 | 1ku | 
                  SOIC (DW) |   20 | 
                  2000 | LARGE T&R | 
                    | 
                
                
                  | SN75ALS057DWRG4 | 
                  ACTIVE | 
                  0 to 70 | 
                  4.20 | 1ku | 
                  SOIC (DW) |   20 | 
                  2000 | LARGE T&R | 
                    | 
                
                
                  | SN75ALS057CN | 
                  ACTIVE | 
                  0 to 70 | 
                  4.65 | 1ku | 
                  PDIP (N) |   20 | 
                  20 | TUBE | 
                    | 
                
                
                  | SN75ALS057CNE4 | 
                  ACTIVE | 
                  0 to 70 | 
                  4.65 | 1ku | 
                  PDIP (N) |   20 | 
                  20 | TUBE | 
                    | 
                
              
              SN75ALS057 质量与无铅数据
              
                
                  | 器件 | 
                  环保计划* | 
                  铅/焊球涂层 | 
                  MSL 等级/回流焊峰 | 
                  环保信息与无铅 (Pb-free) | 
                  DPPM / MTBF / FIT 率 | 
                
                
                  | SN75ALS057DW | 
                  Green (RoHS & no Sb/Br)  | 
                  CU NIPDAU  | 
                  Level-1-260C-UNLIM | 
                  SN75ALS057DW | 
                  SN75ALS057DW | 
                
                
                  | SN75ALS057DWE4 | 
                  Green (RoHS & no Sb/Br)  | 
                  CU NIPDAU  | 
                  Level-1-260C-UNLIM | 
                  SN75ALS057DWE4 | 
                  SN75ALS057DWE4 | 
                
                
                  | SN75ALS057DWG4 | 
                  Green (RoHS & no Sb/Br)  | 
                  CU NIPDAU  | 
                  Level-1-260C-UNLIM | 
                  SN75ALS057DWG4 | 
                  SN75ALS057DWG4 | 
                
                
                  | SN75ALS057DWR | 
                  Green (RoHS & no Sb/Br)  | 
                  CU NIPDAU  | 
                  Level-1-260C-UNLIM | 
                  SN75ALS057DWR | 
                  SN75ALS057DWR | 
                
                
                  | SN75ALS057DWRE4 | 
                  Green (RoHS & no Sb/Br)  | 
                  CU NIPDAU  | 
                  Level-1-260C-UNLIM | 
                  SN75ALS057DWRE4 | 
                  SN75ALS057DWRE4 | 
                
                
                  | SN75ALS057DWRG4 | 
                  Green (RoHS & no Sb/Br)  | 
                  CU NIPDAU  | 
                  Level-1-260C-UNLIM | 
                  SN75ALS057DWRG4 | 
                  SN75ALS057DWRG4 | 
                
                
                  | SN75ALS057CN | 
                  Pb-Free (RoHS)  | 
                  CU NIPDAU  | 
                  N/A for Pkg Type | 
                  SN75ALS057CN | 
                  SN75ALS057CN | 
                
                
                  | SN75ALS057CNE4 | 
                  Pb-Free (RoHS)  | 
                  CU NIPDAU  | 
                  N/A for Pkg Type | 
                  SN75ALS057CNE4 | 
                  SN75ALS057CNE4 | 
                
              
              SN75ALS057 应用技术支持与电子电路设计开发资源下载
              
                - SN75ALS057 数据资料   dataSheet 下载.PDF 
 
                - TI 德州仪器其它接口选型与价格 . xls 
 
                - 所选封装材料的热学和电学性质  (PDF  645 KB)
 
                - 使用数字隔离器设计隔离式 I2C 总线接口 (zhct119.PDF, 339 KB)
 
                - 1Q 2011 Issue Analog Applications Journal (slyt399.PDF, 964 KB)
 
                - 接口选择指南 (Rev. D)  (PDF  2994 KB)
 
                - Signaling Rate vs. Distance for Differential Buffers (PDF 420 KB)
 
                - Q1 2009 Issue Analog Applications Journal (slyt319.PDF, 1.39 MB)
 
                - Isolated RS-485 Reference Design  (PDF  80 KB)
 
                - 无铅组件涂层的保存期评估  (PDF  1305 KB)
 
                - Analog Signal Chain Guide (8.62 MB)
 
                - Industrial Interface IC Solutions (101 KB) 
 
              
              SN75ALS057 工具和软件