An apparatus, comprising: a passive equalizer comprising a first signal path (612+, 612-) configured to generate a first signal based on an input signal (Vi+, Vi-), and a second signal path (614+, 614-) configured to generate a second signal by low-pass filtering the input signal; and a sense amplifier comprising: a circuit (N63, N64, P61) configured to discharge or charge first (Vo+) and second (Vo-) nodes in response to a first state of a clock signal; an input circuit (P62, P64, P63, P65) configured to generate a third signal related to a combination of the first and second signals in response to a second state of the clock signal; and a data detection circuit (P66, P67, N61, N62) configured to generate data based on a first rate at which a first component of the third signal charges or discharges the discharged or charged first node compared to a second rate at which a second component of the third signal charges or discharges the discharged or charged second node; and wherein the first signal comprises a first differential signal including a first positive component and a first negative component; and the second signal comprises a second differential signal including a second positive component and a second negative component; and wherein the input circuit is configured to: generate a first current (I 61+) based on the first positive component of the first differential signal; and generate a second current (I 61-) based on the first negative component of the first differential signal; generate a third current (I 62+) based on the second positive component of the second differential signal; generate a fourth current (I 62-) based on the second negative component of the second differential signal; wherein the third signal comprises a fifth current (I 61+ +I 62-) related to a sum of the first and fourth currents, and a sixth current (I 61- +I 62+) related to a sum of the second and third currents; and wherein said first component of the third signal is comprised of said fifth current and wherein said second component of the third signal is comprised of said sixth current. a passive equalizer comprising a first signal path (612+, 612-) configured to generate a first signal based on an input signal (Vi+, Vi-), and a second signal path (614+, 614-) configured to generate a second signal by low-pass filtering the input signal; and a sense amplifier comprising: a circuit (N63, N64, P61) configured to discharge or charge first (Vo+) and second (Vo-) nodes in response to a first state of a clock signal; an input circuit (P62, P64, P63, P65) configured to generate a third signal related to a combination of the first and second signals in response to a second state of the clock signal; and a circuit (N63, N64, P61) configured to discharge or charge first (Vo+) and second (Vo-) nodes in response to a first state of a clock signal; an input circuit (P62, P64, P63, P65) configured to generate a third signal related to a combination of the first and second signals in response to a second state of the clock signal; and a data detection circuit (P66, P67, N61, N62) configured to generate data based on a first rate at which a first component of the third signal charges or discharges the discharged or charged first node compared to a second rate at which a second component of the third signal charges or discharges the discharged or charged second node; and wherein the first signal comprises a first differential signal including a first positive component and a first negative component; and the second signal comprises a second differential signal including a second positive component and a second negative component; and wherein the input circuit is configured to: generate a first current (I 61+) based on the first positive component of the first differential signal; and generate a second current (I 61-) based on the first negative component of the first differential signal; generate a third current (I 62+) based on the second positive component of the second differential signal; generate a fourth current (I 62-) based on the second negative component of the second differential signal; wherein the third signal comprises a fifth current (I 61+ +I 62-) related to a sum of the first and fourth currents, and a sixth current (I 61- +I 62+) related to a sum of the second and third currents; and wherein said first component of the third signal is comprised of said fifth current and wherein said second component of the third signal is comprised of said sixth current.