SN65MLVD128 - 1:8 LVTTL 到 M-LVDS 中继器

SN65MLVD128是TI德州仪器公司的一款多点LVDS(MLVDS/BLVDS/LVDM)产品，SN65MLVD128是1:8 LVTTL 到 M-LVDS 中继器，本站介绍了SN65MLVD128的封装应用图解、特点和优点、功能等，并给出了与SN65MLVD128相关的TI元器件型号供参考。

SN65MLVD128 - 1:8 LVTTL 到 M-LVDS 中继器 - 多点LVDS(MLVDS/BLVDS/LVDM) - LVDS/M-LVDS/ECL/CML - 德州仪器

产品描述

The SN65MLVD128 and SN65MLVD129 are LVTTL-to-M.LVDS translators/repeaters. Outputs comply with the M.LVDS standard (TIA/EIA-899) and are optimized for data rates up to 250 Mbps, and clock frequencies up to 125 MHz. The driver outputs have been designed to support multipoint buses presenting loads as low as 30 and incorporates controlled transition times for backbone operation.

M-LVDS compliant devices allow for 32 nodes on a common bus, providing a high-speed replacement for RS-485 devices when lower common-mode voltage range and lower output signaling levels are acceptable. The SN65MLVD128 and SN65MLVD129 provide separate driver enables, allowing for independent control of each output signal.

Intended applications for these devices include transmission of clock signals from a central clock module, as well as translation and buffering of data or control signals for transmission through a controlled impedance backplane or cable.

产品特性

LVTTL Receiver and Eight Line Drivers Configured as an 8-Port M-LVDS Repeater—SN65MLVD128
2 LVTTL Receivers and Eight Line Drivers Configured as Dual 4-Port M-LVDS Repeaters—SN65MLVD129
Drivers Meet or Exceed the M-LVDS Standard (TIA/EIA-899)
Low-Voltage Differential 30- Line Drivers for Data Rates¹ Up to 250 Mbps or Clock Frequencies Up to 125 MHz
Power Up/Down Glitch Free
Controlled Driver Output Voltage Transition Times for Improved Signal Quality
Bus Pins High Impedance When Disabled or VCC ≤ 1.5 V
Independent Enables for each Driver
Output-to-Ouput Skew tsk(o) ≤ 160 ps Part-to-Part Skew tsk(pp) ≤ 800 ps
Single 3.3-V Voltage Supply
Bus Pin ESD Protection Exceeds 9 kV
Packaged in 48-Pin TSSOP (DGG)
APPLICATIONS
- AdvancedTCA™ (ATCA™) Clock Bus Driver
- Clock Distribution
- Data and Clock Repeating Over Backplanes and Cables
- Cellular Base Stations
- Central Office Switches
- Network Switches and Routers

¹The data rate of a line, is the number of voltage transitions that are made per second expressed in the units bps (bits per second). AdvancedTCA and ATCA are trademarks of the PCI Industrial Computer Manufacturers Group.

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