Positive emitter-coupled logic
- Positive emitter-coupled logic
Positive emitter-coupled logic, or PECL, is a further development of the emitter-coupled logic (ECL) technology and requires a positive 5V supply instead of a negative 5V supply. The Low-voltage positive emitter-coupled logic (LVPECL) is an improved version of PECL to meet lower voltage requirements. PECL is a differential signaling system and mainly used in high speed and clock distribution circuits.
Logic Levels:
See also
*Emitter-coupled logic (ECL)
*Low-voltage positive emitter-coupled logic (LVPECL)
*Low voltage differential signaling (LVDS)
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