LVDS中文资料

? 2000 Fairchild Semiconductor Corporation MS500530

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December 2000Revised December 2000

LVDS Description and Family Characteristics LVDS Description and Family Characteristics

Low Voltage Differential Signaling (LVDS) defines a

reduced swing, differential I/O technology for high-speed

interface (Figure 1 and Figure 2). Many LVDS devices are

defined by the ANSI/TIA/EIA-644 standard also known as

RS-644. RS-644 compliant devices provide specific I/O

characteristics designed to provide a low noise, low power,

low EMI, high-speed interface. All Fairchild LVDS devices

meet or exceed the ANSI/TIA/EIA-644 standard.LVDS devices are typically used for point-to-point and lim-ited multi-drop cable driving configurations. Many Fairchild LVDS devices offer features to increase performance such as common mode (Figure 3) for increased application flexi-bility and failsafe to eliminate false or unexpected states.Many LVDS devices are pin replacements for existing inter-face technologies such as RS-422, PECL, and LVPECL.

This compatibility makes upgrades to higher performance

possible with minimum redesign.

FIGURE 1.

FIGURE 2.

FIGURE 3.

https://www.wendangku.net/doc/5811321073.html, 2 L V D S D e s c r i p t i o n a n d F a m i l y C h a r a c t e r i s t i c s Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications.

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