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DESCRIPTION

The STLVDS32 is a differential line receiver that implements the electrical characteristics of low voltage differential signaling (LVDS). This signaling technique lowers the output voltage levels of 5V differential standard levels (such as TIA/EIA-422B) to reduce the power, increase the switching speeds and allow operations with a 3.3V supply rail. This differential receiver provides a valid logical output state with a 3.3V supply rail. It also provides a valid logical output state with a ±100mV differential input voltage within the input common mode voltage range. The input common mode voltage allows 1V of ground potential difference between two LVDS nodes.

The intended application of this device and signalling technique is both point-to-point and multidrop data transmission over controlled impedance media approximately 100?. The transmission media may be printed circuit board traces, backplanes or cables. The ultimate rate and distance of data transfer depend upon the attenuation characteristics of the media and noise coupling to the environment.

The STLVDS32 version is characterized for operation from -40°C to 85°C.

■ MEETS OR EXCEEDS THE

REQUIREMENTS OF ANSI TIA/EIA-644

STANDARD

■ OPERATES WITH A SINGLE 3.3V SUPPLY

■ DESIGNED FOR SIGNALING RATE UP TO

400Mbps

■ DIFFERENTIAL INPUT THRESHOLDS

±100mV MAX

■ TYPICAL PROPAGATION DELAY TIME OF

2.5ns

■ POWER DISSIPATION 60mW TYPICAL PER

RECEIVER AT 200MHz

■ LOW VOLATGE TTL (LVTTL) LOGIC

OUTPUT LEVELS

■ PIN COMPATIBLE WITH THE AM26LS32,

SN65LVD32

■ OPEN CIRCUIT FAIL SAFE

■ ESD PROTECTION:

7KV RECEIVER PINS

3KV ALL PINS VS GND