made dualrail decoder en use fewer AND gates
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@ -167,19 +167,38 @@ defproc decoder_dualrail_x(Mx1of2<Nc> in; bool? out[N]; power supply) {
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*/
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export template<pint Nc, N>
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defproc decoder_dualrail_en(Mx1of2<Nc> in; bool? en, out[N]; power supply) {
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decoder_dualrail_refresh<Nc, N> decoder(.in = in, .supply = supply);
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sigbuf<N> sb_en(.in = en, .supply = supply);
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AND2_X1 en_ands[N];
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(i:N:
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en_ands[i].a = decoder.out[i];
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en_ands[i].b = sb_en.out[i];
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decoder_dualrail_refresh<Nc, N> decoder(.out = out, .supply = supply);
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en_ands[i].vdd = supply.vdd;
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en_ands[i].vss = supply.vss;
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sigbuf<Nc*2> sb_en(.in = en, .supply = supply);
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// AND2_X1 en_ands[N];
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// (i:N:
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// en_ands[i].a = decoder.out[i];
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// en_ands[i].b = sb_en.out[i];
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en_ands[i].y = out[i];
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// en_ands[i].vdd = supply.vdd;
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// en_ands[i].vss = supply.vss;
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// en_ands[i].y = out[i];
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// )
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AND2_X1 en_ands_t[Nc];
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AND2_X1 en_ands_f[Nc];
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(i:Nc:
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en_ands_t[i].a = in.d[i].t;
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en_ands_f[i].a = in.d[i].f;
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en_ands_t[i].b = sb_en.out[i];
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en_ands_f[i].b = sb_en.out[i+Nc];
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en_ands_t[i].y = decoder.in.d[i].t;
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en_ands_f[i].y = decoder.in.d[i].f;
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en_ands_t[i].vdd = supply.vdd;
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en_ands_t[i].vss = supply.vss;
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en_ands_f[i].vdd = supply.vdd;
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en_ands_f[i].vss = supply.vss;
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)
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}
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