The SN65LVDS122 and SN65LVDT122 are crosspoint switches that use low voltage differential signaling (LVDS) to achieve signaling rates as high as 1.5 Gbps. They are pin-compatible speed upgrades to the SN65LVDS22 and SN65LVDM22. The internal signal paths maintain differential signaling for high speeds and low signal skews. These devices have a 0 V to 4 V common-mode input range that accepts LVDS, LVPECL, CML inputs. Two logic pins (S0 and S1) set the internal configuration between the differential inputs and outputs. This allows the flexibility to perform the following configurations: 2 x 2 crosspoint switch, 2:1 mux, 1:2 splitter or dual repeater/translator within a single device. Additionally, SN65LVDT122 incorporates a 110- termination resistor for those applications where board space is a premium. Although these devices are designed for 1.5 Gbps, some applications at a 2-Gbps data rate can be supported depending on loading and signal quality.

The intended application of this device is ideal for loopback switching for diagnostic routines, fanout buffering of clock/data distribution provide protection in fault-tolerant systems, clock muxing in optical modules, and for overall signal boosting over extended distances.

The SN65LVDS122 and SN65LVDT122 are characterized for operation from –40°C to 85°C.

• Designed for Signaling Rates(1) Up To 1.5 Gbps
• Total Jitter < 65 ps
• Pin-Compatible With SN65LVDS22 and SN65LVDM22
• 25 mV of Receiver Input Threshold Hysteresis Over 0-V to 4-V Common-Mode Range
• Inputs Electrically Compatible With CML, LVPECL and LVDS Signal Levels
• Propagation Delay Times, 900 ps Maximum
• LVDT Integrates 110- Terminating Resistor
• Offered in SOIC and TSSOP
• APPLICATIONS
  • 10-G (OC–192) Optical Modules
  • 622 MHz Central Office Clock Distribution
  • Wireless Basestations
  • Low Jitter Clock Repeater/Multiplexer
  • Protection Switching for Serial Backplanes

(1)The signaling rate of a line is the number of voltage transitions that are made per second expressed in the units bps (bits per second).

• Function
• Crosspoint
• Protocols
• LVDS
• Number of transmitters
• 2
• Number of receivers
• 2
• Supply voltage (V)
• 3.3
• Signaling rate (Mbps)
• 1500
• Input signal
• CML, LVDS, LVPECL
• Output signal
• LVDS
• Rating
• Catalog
• Operating temperature range (C)
• -40 to 85

SN65LVDS122的完整型号有：SN65LVDS122D、SN65LVDS122DR、SN65LVDS122PW、SN65LVDS122PWR，以下是这些产品的关键参数及官网采购报价：

SN65LVDS122D，工作温度：-40 to 85，封装：SOIC (D)-16，包装数量MPQ：40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SN65LVDS122D的批量USD价格：4.421（1000+）

SN65LVDS122DR，工作温度：-40 to 85，封装：SOIC (D)-16，包装数量MPQ：2500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SN65LVDS122DR的批量USD价格：3.831（1000+）

SN65LVDS122PW，工作温度：-40 to 85，封装：TSSOP (PW)-16，包装数量MPQ：90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SN65LVDS122PW的批量USD价格：4.421（1000+）

SN65LVDS122PWR，工作温度：-40 to 85，封装：TSSOP (PW)-16，包装数量MPQ：2000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SN65LVDS122PWR的批量USD价格：3.831（1000+）

SN65LVDS125AEVM — SN65LVDS125 评估模块

The SN65LVDS125A is a 4 x 4 non-blocking cross point switch. Low-Voltage differential signaling (LVDS) is used to achieve signaling rates of 1.5 Gbps per channel. Each output driver includes a 4:1 multiplexer to allow any input to be routed to any output.Internal signal paths are fully differential (...)

SN65LVDS122 IBIS Model D PKG (Rev. A)

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