Changes between Initial Version and Version 1 of Nand2Vbe

Timestamp:

Apr 8, 2007, 12:35:16 PM (17 years ago)

Author:

alain

Comment:

--

Nand2Vbe

@@ +1 @@
+{{{
+ENTITY na2_x1 IS
+GENERIC (
+  CONSTANT area          : NATURAL := 1000;
+  CONSTANT cin_i0        : NATURAL := 11;
+  CONSTANT cin_i1        : NATURAL := 11;
+  CONSTANT rdown_i0_nq   : NATURAL := 2850;
+  CONSTANT rdown_i1_nq   : NATURAL := 2850;
+  CONSTANT rup_i0_nq     : NATURAL := 3720;
+  CONSTANT rup_i1_nq     : NATURAL := 3720;
+  CONSTANT tphl_i0_nq    : NATURAL := 59;
+  CONSTANT tphl_i1_nq    : NATURAL := 111;
+  CONSTANT tplh_i1_nq    : NATURAL := 234;
+  CONSTANT tplh_i0_nq    : NATURAL := 288;
+  CONSTANT transistors   : NATURAL := 4
+);
+PORT (
+  i0     : IN  BIT;
+  i1     : IN  BIT;
+  nq     : OUT BIT;
+  vdd    : IN  BIT;
+  vss    : IN  BIT
+);
+END na2_x1;
+
+ARCHITECTURE vbe OF na2_x1 IS
+
+BEGIN
+  ASSERT ((vdd and not (vss)) = '1')
+  REPORT "power supply is missing on na2_x1"
+  SEVERITY WARNING;
+  nq <= NOT ((i0 AND i1)) AFTER 900 ps;
+END;
+}}}