GTL translator voltage clamps

These passive voltage level translators provide bi-directional voltage translation without the need for directional control for any voltage between 1.0V to 5.0V to any other voltage between 1.0V and 5.0V at frequencies up to about 3 MHz. They are offered in SO, TSSOP, and HVQFN packages with the GTL2002 now available in the super small VSSOP-8 (DC) and XQFN-8 (GM) packages for mobile applications.

• The GTL2002/03/10/00 allow voltage translation between any voltage from 1.0V to 5.0V to any voltage between 1.0V and 5.0V in configurations of 2, 8, 10, and 22-bit widths.
• These devices are open drain on both sides of the device, with no drive through the translator voltage clamp (no V_CC).
• The reference voltage clamps the output voltage with a very low propagation delay (<1ns), and the device provides bi-directional level translation without the need for a direction control pin.
• The BiCMOS process provides excellent ESD performance to interface to the outside world.
• Typical application for the GTL2002, as shown, is the translation of an ASIC I2C port to an I2C bus at 3.3V or 5.0V.

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GTL2000 22-bit GTL processor voltage clamp

GTL2002 2-bit GTL processor voltage clamp

GTL2010 10-bit GTL processor voltage clamp

Low cost bidirectional voltage translation without directional control Bi-direNXP bidirectional low-voltage translators GTL20xx © March 2007; English; Ordering code: 9397 750 15911

• AN10145 Bi-Directional Low Voltage Translators GTL2000, GTL2002, GTL2010, V2 (Aug 11, 2004)

• Bus Switches

• GTL Family