added dualrail decoder with enable

This commit is contained in:
alexmadison 2022-04-08 14:01:41 +02:00
parent 7ebd734eee
commit fa2b6f6850
1 changed files with 30 additions and 1 deletions

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@ -91,7 +91,7 @@ defproc decoder_dualrail (Mx1of2<Nc> in; bool? out[N]; power supply) {
* Be careful of out[] indexing.
*/
export template<pint Nc, N, OUT_STRENGTH>
defproc decoder_dualrailX(Mx1of2<Nc> in; bool? out[N*OUT_STRENGTH]; power supply) {
defproc decoder_dualrail_x(Mx1of2<Nc> in; bool? out[N*OUT_STRENGTH]; power supply) {
decoder_dualrail<Nc, N> decoder(.in = in, .supply = supply);
sigbuf<OUT_STRENGTH> sb[N];
(i:N:
@ -103,6 +103,35 @@ defproc decoder_dualrailX(Mx1of2<Nc> in; bool? out[N*OUT_STRENGTH]; power supply
)
}
/**
* Dualrail decoder with on/off switch.
* Outputs are buffered.
*/
export template<pint Nc, N, OUT_STRENGTH>
defproc decoder_dualrail_en(Mx1of2<Nc> in; bool? en, out[N*OUT_STRENGTH]; power supply) {
decoder_dualrail<Nc, N> decoder(.in = in, .supply = supply);
sigbuf<N> sb_en(.in = en, .supply = supply);
sigbuf<OUT_STRENGTH> sb[N];
AND2_X1 en_ands[N];
(i:N:
en_ands[i].a = decoder.out[i];
en_ands[i].b = sb_en.out[i];
en_ands[i].vdd = supply.vdd;
en_ands[i].vss = supply.vss;
sb[i].in = decoder.out[i];
sb[i].supply = supply;
(j:OUT_STRENGTH:
sb[i].out[j] = out[j + i*OUT_STRENGTH];
)
)
}
/**
* 2D decoder which uses a configurable delay from the VCtrees to buffer ack.