Patent ID: 7928765

Claim:
Apparatus for converting a first type of signal to a second type of signal, wherein the first type of signal comprises a differential digital logic signal and the second type of signal comprises a complementary metal oxide semiconductor (CMOS) signal, the apparatus comprising: first circuitry configured for generating a first pair of CMOS signals in response to a differential digital logic signal, the first pair of CMOS signals comprising a first CMOS signal having a first polarity and a second CMOS signal having a second polarity; and second circuitry configured for adjusting, with respect to the first pair of CMOS signals, a transition time of one of the first CMOS signal and the second CMOS signal relative to a transition time of another of the first CMOS signal and the second CMOS signal; wherein the first circuity comprises a differential pair of transistors operatively coupled to a pair of output inverters, respectively; and wherein the second circuitry comprises: a first programmable current source operatively coupled to the pair of output inverters; a second programmable current source operatively coupled to the differential pair of transistors; a pair of differential resistors operatively coupled to the pair of output inverters, respectively; and a shorted common mode inverter operatively coupled to the pair of differential resistors.