Research Article

Low Power Adder Based Auditory Filter Architecture

Table 3

Existing and proposed auditory filter architectures for cochlea processor.

Architecture using input pattern generator and regular full adder in summation blockExistingProposed% gain
DA based filter architecture using XOR gate [12]DA based filter architecture using MUX
and regular full adder architecture [17]and reconfigured full adder architecture

Area (Sq. microns)540.00555.48−2.86
Delay (ns)7.967.742.76
Dp (uW)28.1828.32−0.4
Lp (uW)5.214.4215.16
Tp (uW)33.4032.741.97

Note: design was mapped to TSMC 65 nm technology node.
Dp: dynamic power; Lp: leakage power; Tp: total power; ns: nanoseconds; uW: micro-Watt.