The SN65LBC170 and SN75LBC170 are monolithic integrated circuits designed for bidirectional data communication on multipoint bus-transmission lines. Potential applications include serial or parallel data transmission, cabled peripheral buses with twin axial, ribbon, or twisted-pair cabling. These devices are suitable for FAST-20 SCSI and can transmit or receive data pulses as short as 25 ns, with skew less than 3 ns.

These devices combine three 3-state differential line drivers and three differential input line receivers, all of which operate from a single 5-V power supply.

The driver differential outputs and the receiver differential inputs are connected internally to form three differential input/output (I/O) bus ports that are designed to offer minimum loading to the bus whenever the driver is disabled or V_CC = 0. These ports feature a wide common-mode voltage range making the device suitable for party-line applications over long cable runs.

The driver’s active-high enable and the receiver’s active-low enable are tied together internally and provide a direction input for each driver/receiver pair.

The SN75LBC170 is characterized for operation over the temperature range of 0°C to 70°C. The SN65LBC170 is characterized for operation over the temperature range of –40°C to 85°C.

• Three Differential Transceivers in One Package
• Signaling Rates? Up to 30 Mbps
• Low Power and High Speed
• Designed for TIA/EIA-485, TIA/EIA-422, ISO 8482, and ANSI X3.277 (HVD SCSI Fast-20) Applications
• Common-Mode Bus Voltage Range –7 V to 12 V
• ESD Protection on Bus Terminals Exceeds 12 kV
• Driver Output Current up to ±60 mA
• Thermal Shutdown Protection
• Driver Positive and Negative Current Limiting
• Power-Up, Power-Down Glitch-Free Operation
• Pin-Compatible With the SN75ALS170
• Available in Shrink Small-Outline Package

• Number of receivers
• 3
• Number of transmitters
• 3
• Supply voltage (Nom) (V)
• 5
• Number of nodes
• 32
• Isolated
• No
• ICC (Max) (mA)
• 20
• Rating
• Catalog
• Operating temperature range (C)
• -40 to 85

SN65LBC170的完整型号有：SN65LBC170DB、SN65LBC170DW，以下是这些产品的关键参数及官网采购报价：

SN65LBC170DB，工作温度：-40 to 85，封装：SSOP (DB)-16，包装数量MPQ：80个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN65LBC170DB的批量USD价格：5.804（1000+）

SN65LBC170DW，工作温度：-40 to 85，封装：SOIC (DW)-20，包装数量MPQ：25个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN65LBC170DW的批量USD价格：5.804（1000+）

SN65LBC170, SN75LBC170 IBIS Model DB PKG

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